{
  "title": "Year structure built | Washington, DC",
  "version": "1.0",
  "prepared": "2026-09-23",
  "source": "U.S. Census Bureau",
  "survey": "2020 to 2024 ACS five year Detailed Tables",
  "table": "B25034",
  "universe": "Housing units",
  "period": "2020/2024",
  "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat",
  "source_sha256": "806d6cb18e8e6c0855e065eca99164b07334cc32f521899aa45a4415ef7d380e",
  "geographies": [
    {
      "@type": "Place",
      "name": "Washington city, District of Columbia",
      "identifier": "1600000US1150000"
    },
    {
      "@type": "Place",
      "name": "Arlington County, Virginia",
      "identifier": "0500000US51013"
    },
    {
      "@type": "Place",
      "name": "Alexandria city, Virginia",
      "identifier": "1600000US5101000"
    },
    {
      "@type": "Place",
      "name": "Silver Spring CDP, Maryland",
      "identifier": "1600000US2472450"
    },
    {
      "@type": "Place",
      "name": "Bethesda CDP, Maryland",
      "identifier": "1600000US2407125"
    }
  ],
  "license": "https://www.census.gov/about/policies/citation.html",
  "method": "Select exact GEO_ID rows from the official Census Summary File. Retain all eleven lines with published estimates and 90 percent margins of error. No regional totals, modeled ages or percentages are calculated.",
  "limitations": [
    "Counts housing units in occupied and vacant housing, not buildings or rental listings.",
    "Construction period does not establish current condition, renovation date, safety, remaining service life or energy use.",
    "Historical 2020 to 2024 period estimates, not a 2026 construction inventory.",
    "Geographies remain separate; no neighborhood estimates or metropolitan aggregate.",
    "Do not add the total to its components or add margins of error. Small estimates can have substantial uncertainty."
  ],
  "source_rows": [
    {
      "GEO_ID": "1600000US1150000",
      "B25034_E001": "361014",
      "B25034_M001": "148",
      "B25034_E002": "10380",
      "B25034_M002": "857",
      "B25034_E003": "49156",
      "B25034_M003": "2034",
      "B25034_E004": "26843",
      "B25034_M004": "1648",
      "B25034_E005": "9933",
      "B25034_M005": "986",
      "B25034_E006": "15690",
      "B25034_M006": "1052",
      "B25034_E007": "24214",
      "B25034_M007": "1393",
      "B25034_E008": "36294",
      "B25034_M008": "2040",
      "B25034_E009": "40226",
      "B25034_M009": "1879",
      "B25034_E010": "34585",
      "B25034_M010": "1811",
      "B25034_E011": "113693",
      "B25034_M011": "2357"
    },
    {
      "GEO_ID": "0500000US51013",
      "B25034_E001": "121970",
      "B25034_M001": "99",
      "B25034_E002": "2392",
      "B25034_M002": "408",
      "B25034_E003": "14179",
      "B25034_M003": "828",
      "B25034_E004": "16723",
      "B25034_M004": "944",
      "B25034_E005": "10646",
      "B25034_M005": "818",
      "B25034_E006": "13368",
      "B25034_M006": "844",
      "B25034_E007": "10176",
      "B25034_M007": "776",
      "B25034_E008": "13640",
      "B25034_M008": "933",
      "B25034_E009": "14918",
      "B25034_M009": "805",
      "B25034_E010": "15935",
      "B25034_M010": "760",
      "B25034_E011": "9993",
      "B25034_M011": "613"
    },
    {
      "GEO_ID": "1600000US5101000",
      "B25034_E001": "80844",
      "B25034_M001": "100",
      "B25034_E002": "1097",
      "B25034_M002": "217",
      "B25034_E003": "7705",
      "B25034_M003": "573",
      "B25034_E004": "8804",
      "B25034_M004": "606",
      "B25034_E005": "6948",
      "B25034_M005": "634",
      "B25034_E006": "7971",
      "B25034_M006": "737",
      "B25034_E007": "13434",
      "B25034_M007": "992",
      "B25034_E008": "11602",
      "B25034_M008": "795",
      "B25034_E009": "8204",
      "B25034_M009": "688",
      "B25034_E010": "8102",
      "B25034_M010": "728",
      "B25034_E011": "6977",
      "B25034_M011": "510"
    },
    {
      "GEO_ID": "1600000US2472450",
      "B25034_E001": "35774",
      "B25034_M001": "873",
      "B25034_E002": "282",
      "B25034_M002": "124",
      "B25034_E003": "4770",
      "B25034_M003": "418",
      "B25034_E004": "2373",
      "B25034_M004": "369",
      "B25034_E005": "1912",
      "B25034_M005": "383",
      "B25034_E006": "1811",
      "B25034_M006": "255",
      "B25034_E007": "2538",
      "B25034_M007": "492",
      "B25034_E008": "7511",
      "B25034_M008": "830",
      "B25034_E009": "5804",
      "B25034_M009": "677",
      "B25034_E010": "4757",
      "B25034_M010": "538",
      "B25034_E011": "4016",
      "B25034_M011": "393"
    },
    {
      "GEO_ID": "1600000US2407125",
      "B25034_E001": "30095",
      "B25034_M001": "689",
      "B25034_E002": "820",
      "B25034_M002": "198",
      "B25034_E003": "3962",
      "B25034_M003": "508",
      "B25034_E004": "3123",
      "B25034_M004": "391",
      "B25034_E005": "1649",
      "B25034_M005": "287",
      "B25034_E006": "2042",
      "B25034_M006": "255",
      "B25034_E007": "3257",
      "B25034_M007": "390",
      "B25034_E008": "4225",
      "B25034_M008": "392",
      "B25034_E009": "6033",
      "B25034_M009": "513",
      "B25034_E010": "2488",
      "B25034_M010": "277",
      "B25034_E011": "2496",
      "B25034_M011": "352"
    }
  ],
  "records": [
    {
      "geography": "Washington city, District of Columbia",
      "geo_id": "1600000US1150000",
      "geography_type": "city",
      "table": "B25034",
      "line": 1,
      "category": "Total housing units",
      "estimate": 361014,
      "margin_of_error_90": 148,
      "estimate_field": "B25034_E001",
      "moe_field": "B25034_M001",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Washington city, District of Columbia",
      "geo_id": "1600000US1150000",
      "geography_type": "city",
      "table": "B25034",
      "line": 2,
      "category": "Built 2020 or later",
      "estimate": 10380,
      "margin_of_error_90": 857,
      "estimate_field": "B25034_E002",
      "moe_field": "B25034_M002",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Washington city, District of Columbia",
      "geo_id": "1600000US1150000",
      "geography_type": "city",
      "table": "B25034",
      "line": 3,
      "category": "Built 2010 to 2019",
      "estimate": 49156,
      "margin_of_error_90": 2034,
      "estimate_field": "B25034_E003",
      "moe_field": "B25034_M003",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Washington city, District of Columbia",
      "geo_id": "1600000US1150000",
      "geography_type": "city",
      "table": "B25034",
      "line": 4,
      "category": "Built 2000 to 2009",
      "estimate": 26843,
      "margin_of_error_90": 1648,
      "estimate_field": "B25034_E004",
      "moe_field": "B25034_M004",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Washington city, District of Columbia",
      "geo_id": "1600000US1150000",
      "geography_type": "city",
      "table": "B25034",
      "line": 5,
      "category": "Built 1990 to 1999",
      "estimate": 9933,
      "margin_of_error_90": 986,
      "estimate_field": "B25034_E005",
      "moe_field": "B25034_M005",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Washington city, District of Columbia",
      "geo_id": "1600000US1150000",
      "geography_type": "city",
      "table": "B25034",
      "line": 6,
      "category": "Built 1980 to 1989",
      "estimate": 15690,
      "margin_of_error_90": 1052,
      "estimate_field": "B25034_E006",
      "moe_field": "B25034_M006",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Washington city, District of Columbia",
      "geo_id": "1600000US1150000",
      "geography_type": "city",
      "table": "B25034",
      "line": 7,
      "category": "Built 1970 to 1979",
      "estimate": 24214,
      "margin_of_error_90": 1393,
      "estimate_field": "B25034_E007",
      "moe_field": "B25034_M007",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Washington city, District of Columbia",
      "geo_id": "1600000US1150000",
      "geography_type": "city",
      "table": "B25034",
      "line": 8,
      "category": "Built 1960 to 1969",
      "estimate": 36294,
      "margin_of_error_90": 2040,
      "estimate_field": "B25034_E008",
      "moe_field": "B25034_M008",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Washington city, District of Columbia",
      "geo_id": "1600000US1150000",
      "geography_type": "city",
      "table": "B25034",
      "line": 9,
      "category": "Built 1950 to 1959",
      "estimate": 40226,
      "margin_of_error_90": 1879,
      "estimate_field": "B25034_E009",
      "moe_field": "B25034_M009",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Washington city, District of Columbia",
      "geo_id": "1600000US1150000",
      "geography_type": "city",
      "table": "B25034",
      "line": 10,
      "category": "Built 1940 to 1949",
      "estimate": 34585,
      "margin_of_error_90": 1811,
      "estimate_field": "B25034_E010",
      "moe_field": "B25034_M010",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Washington city, District of Columbia",
      "geo_id": "1600000US1150000",
      "geography_type": "city",
      "table": "B25034",
      "line": 11,
      "category": "Built 1939 or earlier",
      "estimate": 113693,
      "margin_of_error_90": 2357,
      "estimate_field": "B25034_E011",
      "moe_field": "B25034_M011",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Arlington County, Virginia",
      "geo_id": "0500000US51013",
      "geography_type": "county",
      "table": "B25034",
      "line": 1,
      "category": "Total housing units",
      "estimate": 121970,
      "margin_of_error_90": 99,
      "estimate_field": "B25034_E001",
      "moe_field": "B25034_M001",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Arlington County, Virginia",
      "geo_id": "0500000US51013",
      "geography_type": "county",
      "table": "B25034",
      "line": 2,
      "category": "Built 2020 or later",
      "estimate": 2392,
      "margin_of_error_90": 408,
      "estimate_field": "B25034_E002",
      "moe_field": "B25034_M002",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Arlington County, Virginia",
      "geo_id": "0500000US51013",
      "geography_type": "county",
      "table": "B25034",
      "line": 3,
      "category": "Built 2010 to 2019",
      "estimate": 14179,
      "margin_of_error_90": 828,
      "estimate_field": "B25034_E003",
      "moe_field": "B25034_M003",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Arlington County, Virginia",
      "geo_id": "0500000US51013",
      "geography_type": "county",
      "table": "B25034",
      "line": 4,
      "category": "Built 2000 to 2009",
      "estimate": 16723,
      "margin_of_error_90": 944,
      "estimate_field": "B25034_E004",
      "moe_field": "B25034_M004",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Arlington County, Virginia",
      "geo_id": "0500000US51013",
      "geography_type": "county",
      "table": "B25034",
      "line": 5,
      "category": "Built 1990 to 1999",
      "estimate": 10646,
      "margin_of_error_90": 818,
      "estimate_field": "B25034_E005",
      "moe_field": "B25034_M005",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Arlington County, Virginia",
      "geo_id": "0500000US51013",
      "geography_type": "county",
      "table": "B25034",
      "line": 6,
      "category": "Built 1980 to 1989",
      "estimate": 13368,
      "margin_of_error_90": 844,
      "estimate_field": "B25034_E006",
      "moe_field": "B25034_M006",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Arlington County, Virginia",
      "geo_id": "0500000US51013",
      "geography_type": "county",
      "table": "B25034",
      "line": 7,
      "category": "Built 1970 to 1979",
      "estimate": 10176,
      "margin_of_error_90": 776,
      "estimate_field": "B25034_E007",
      "moe_field": "B25034_M007",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Arlington County, Virginia",
      "geo_id": "0500000US51013",
      "geography_type": "county",
      "table": "B25034",
      "line": 8,
      "category": "Built 1960 to 1969",
      "estimate": 13640,
      "margin_of_error_90": 933,
      "estimate_field": "B25034_E008",
      "moe_field": "B25034_M008",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Arlington County, Virginia",
      "geo_id": "0500000US51013",
      "geography_type": "county",
      "table": "B25034",
      "line": 9,
      "category": "Built 1950 to 1959",
      "estimate": 14918,
      "margin_of_error_90": 805,
      "estimate_field": "B25034_E009",
      "moe_field": "B25034_M009",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Arlington County, Virginia",
      "geo_id": "0500000US51013",
      "geography_type": "county",
      "table": "B25034",
      "line": 10,
      "category": "Built 1940 to 1949",
      "estimate": 15935,
      "margin_of_error_90": 760,
      "estimate_field": "B25034_E010",
      "moe_field": "B25034_M010",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Arlington County, Virginia",
      "geo_id": "0500000US51013",
      "geography_type": "county",
      "table": "B25034",
      "line": 11,
      "category": "Built 1939 or earlier",
      "estimate": 9993,
      "margin_of_error_90": 613,
      "estimate_field": "B25034_E011",
      "moe_field": "B25034_M011",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Alexandria city, Virginia",
      "geo_id": "1600000US5101000",
      "geography_type": "city",
      "table": "B25034",
      "line": 1,
      "category": "Total housing units",
      "estimate": 80844,
      "margin_of_error_90": 100,
      "estimate_field": "B25034_E001",
      "moe_field": "B25034_M001",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Alexandria city, Virginia",
      "geo_id": "1600000US5101000",
      "geography_type": "city",
      "table": "B25034",
      "line": 2,
      "category": "Built 2020 or later",
      "estimate": 1097,
      "margin_of_error_90": 217,
      "estimate_field": "B25034_E002",
      "moe_field": "B25034_M002",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Alexandria city, Virginia",
      "geo_id": "1600000US5101000",
      "geography_type": "city",
      "table": "B25034",
      "line": 3,
      "category": "Built 2010 to 2019",
      "estimate": 7705,
      "margin_of_error_90": 573,
      "estimate_field": "B25034_E003",
      "moe_field": "B25034_M003",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Alexandria city, Virginia",
      "geo_id": "1600000US5101000",
      "geography_type": "city",
      "table": "B25034",
      "line": 4,
      "category": "Built 2000 to 2009",
      "estimate": 8804,
      "margin_of_error_90": 606,
      "estimate_field": "B25034_E004",
      "moe_field": "B25034_M004",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Alexandria city, Virginia",
      "geo_id": "1600000US5101000",
      "geography_type": "city",
      "table": "B25034",
      "line": 5,
      "category": "Built 1990 to 1999",
      "estimate": 6948,
      "margin_of_error_90": 634,
      "estimate_field": "B25034_E005",
      "moe_field": "B25034_M005",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Alexandria city, Virginia",
      "geo_id": "1600000US5101000",
      "geography_type": "city",
      "table": "B25034",
      "line": 6,
      "category": "Built 1980 to 1989",
      "estimate": 7971,
      "margin_of_error_90": 737,
      "estimate_field": "B25034_E006",
      "moe_field": "B25034_M006",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Alexandria city, Virginia",
      "geo_id": "1600000US5101000",
      "geography_type": "city",
      "table": "B25034",
      "line": 7,
      "category": "Built 1970 to 1979",
      "estimate": 13434,
      "margin_of_error_90": 992,
      "estimate_field": "B25034_E007",
      "moe_field": "B25034_M007",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Alexandria city, Virginia",
      "geo_id": "1600000US5101000",
      "geography_type": "city",
      "table": "B25034",
      "line": 8,
      "category": "Built 1960 to 1969",
      "estimate": 11602,
      "margin_of_error_90": 795,
      "estimate_field": "B25034_E008",
      "moe_field": "B25034_M008",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Alexandria city, Virginia",
      "geo_id": "1600000US5101000",
      "geography_type": "city",
      "table": "B25034",
      "line": 9,
      "category": "Built 1950 to 1959",
      "estimate": 8204,
      "margin_of_error_90": 688,
      "estimate_field": "B25034_E009",
      "moe_field": "B25034_M009",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Alexandria city, Virginia",
      "geo_id": "1600000US5101000",
      "geography_type": "city",
      "table": "B25034",
      "line": 10,
      "category": "Built 1940 to 1949",
      "estimate": 8102,
      "margin_of_error_90": 728,
      "estimate_field": "B25034_E010",
      "moe_field": "B25034_M010",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Alexandria city, Virginia",
      "geo_id": "1600000US5101000",
      "geography_type": "city",
      "table": "B25034",
      "line": 11,
      "category": "Built 1939 or earlier",
      "estimate": 6977,
      "margin_of_error_90": 510,
      "estimate_field": "B25034_E011",
      "moe_field": "B25034_M011",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Silver Spring CDP, Maryland",
      "geo_id": "1600000US2472450",
      "geography_type": "census designated place",
      "table": "B25034",
      "line": 1,
      "category": "Total housing units",
      "estimate": 35774,
      "margin_of_error_90": 873,
      "estimate_field": "B25034_E001",
      "moe_field": "B25034_M001",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Silver Spring CDP, Maryland",
      "geo_id": "1600000US2472450",
      "geography_type": "census designated place",
      "table": "B25034",
      "line": 2,
      "category": "Built 2020 or later",
      "estimate": 282,
      "margin_of_error_90": 124,
      "estimate_field": "B25034_E002",
      "moe_field": "B25034_M002",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Silver Spring CDP, Maryland",
      "geo_id": "1600000US2472450",
      "geography_type": "census designated place",
      "table": "B25034",
      "line": 3,
      "category": "Built 2010 to 2019",
      "estimate": 4770,
      "margin_of_error_90": 418,
      "estimate_field": "B25034_E003",
      "moe_field": "B25034_M003",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Silver Spring CDP, Maryland",
      "geo_id": "1600000US2472450",
      "geography_type": "census designated place",
      "table": "B25034",
      "line": 4,
      "category": "Built 2000 to 2009",
      "estimate": 2373,
      "margin_of_error_90": 369,
      "estimate_field": "B25034_E004",
      "moe_field": "B25034_M004",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Silver Spring CDP, Maryland",
      "geo_id": "1600000US2472450",
      "geography_type": "census designated place",
      "table": "B25034",
      "line": 5,
      "category": "Built 1990 to 1999",
      "estimate": 1912,
      "margin_of_error_90": 383,
      "estimate_field": "B25034_E005",
      "moe_field": "B25034_M005",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Silver Spring CDP, Maryland",
      "geo_id": "1600000US2472450",
      "geography_type": "census designated place",
      "table": "B25034",
      "line": 6,
      "category": "Built 1980 to 1989",
      "estimate": 1811,
      "margin_of_error_90": 255,
      "estimate_field": "B25034_E006",
      "moe_field": "B25034_M006",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Silver Spring CDP, Maryland",
      "geo_id": "1600000US2472450",
      "geography_type": "census designated place",
      "table": "B25034",
      "line": 7,
      "category": "Built 1970 to 1979",
      "estimate": 2538,
      "margin_of_error_90": 492,
      "estimate_field": "B25034_E007",
      "moe_field": "B25034_M007",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Silver Spring CDP, Maryland",
      "geo_id": "1600000US2472450",
      "geography_type": "census designated place",
      "table": "B25034",
      "line": 8,
      "category": "Built 1960 to 1969",
      "estimate": 7511,
      "margin_of_error_90": 830,
      "estimate_field": "B25034_E008",
      "moe_field": "B25034_M008",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Silver Spring CDP, Maryland",
      "geo_id": "1600000US2472450",
      "geography_type": "census designated place",
      "table": "B25034",
      "line": 9,
      "category": "Built 1950 to 1959",
      "estimate": 5804,
      "margin_of_error_90": 677,
      "estimate_field": "B25034_E009",
      "moe_field": "B25034_M009",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Silver Spring CDP, Maryland",
      "geo_id": "1600000US2472450",
      "geography_type": "census designated place",
      "table": "B25034",
      "line": 10,
      "category": "Built 1940 to 1949",
      "estimate": 4757,
      "margin_of_error_90": 538,
      "estimate_field": "B25034_E010",
      "moe_field": "B25034_M010",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Silver Spring CDP, Maryland",
      "geo_id": "1600000US2472450",
      "geography_type": "census designated place",
      "table": "B25034",
      "line": 11,
      "category": "Built 1939 or earlier",
      "estimate": 4016,
      "margin_of_error_90": 393,
      "estimate_field": "B25034_E011",
      "moe_field": "B25034_M011",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Bethesda CDP, Maryland",
      "geo_id": "1600000US2407125",
      "geography_type": "census designated place",
      "table": "B25034",
      "line": 1,
      "category": "Total housing units",
      "estimate": 30095,
      "margin_of_error_90": 689,
      "estimate_field": "B25034_E001",
      "moe_field": "B25034_M001",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Bethesda CDP, Maryland",
      "geo_id": "1600000US2407125",
      "geography_type": "census designated place",
      "table": "B25034",
      "line": 2,
      "category": "Built 2020 or later",
      "estimate": 820,
      "margin_of_error_90": 198,
      "estimate_field": "B25034_E002",
      "moe_field": "B25034_M002",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Bethesda CDP, Maryland",
      "geo_id": "1600000US2407125",
      "geography_type": "census designated place",
      "table": "B25034",
      "line": 3,
      "category": "Built 2010 to 2019",
      "estimate": 3962,
      "margin_of_error_90": 508,
      "estimate_field": "B25034_E003",
      "moe_field": "B25034_M003",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Bethesda CDP, Maryland",
      "geo_id": "1600000US2407125",
      "geography_type": "census designated place",
      "table": "B25034",
      "line": 4,
      "category": "Built 2000 to 2009",
      "estimate": 3123,
      "margin_of_error_90": 391,
      "estimate_field": "B25034_E004",
      "moe_field": "B25034_M004",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Bethesda CDP, Maryland",
      "geo_id": "1600000US2407125",
      "geography_type": "census designated place",
      "table": "B25034",
      "line": 5,
      "category": "Built 1990 to 1999",
      "estimate": 1649,
      "margin_of_error_90": 287,
      "estimate_field": "B25034_E005",
      "moe_field": "B25034_M005",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Bethesda CDP, Maryland",
      "geo_id": "1600000US2407125",
      "geography_type": "census designated place",
      "table": "B25034",
      "line": 6,
      "category": "Built 1980 to 1989",
      "estimate": 2042,
      "margin_of_error_90": 255,
      "estimate_field": "B25034_E006",
      "moe_field": "B25034_M006",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Bethesda CDP, Maryland",
      "geo_id": "1600000US2407125",
      "geography_type": "census designated place",
      "table": "B25034",
      "line": 7,
      "category": "Built 1970 to 1979",
      "estimate": 3257,
      "margin_of_error_90": 390,
      "estimate_field": "B25034_E007",
      "moe_field": "B25034_M007",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Bethesda CDP, Maryland",
      "geo_id": "1600000US2407125",
      "geography_type": "census designated place",
      "table": "B25034",
      "line": 8,
      "category": "Built 1960 to 1969",
      "estimate": 4225,
      "margin_of_error_90": 392,
      "estimate_field": "B25034_E008",
      "moe_field": "B25034_M008",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Bethesda CDP, Maryland",
      "geo_id": "1600000US2407125",
      "geography_type": "census designated place",
      "table": "B25034",
      "line": 9,
      "category": "Built 1950 to 1959",
      "estimate": 6033,
      "margin_of_error_90": 513,
      "estimate_field": "B25034_E009",
      "moe_field": "B25034_M009",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Bethesda CDP, Maryland",
      "geo_id": "1600000US2407125",
      "geography_type": "census designated place",
      "table": "B25034",
      "line": 10,
      "category": "Built 1940 to 1949",
      "estimate": 2488,
      "margin_of_error_90": 277,
      "estimate_field": "B25034_E010",
      "moe_field": "B25034_M010",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    },
    {
      "geography": "Bethesda CDP, Maryland",
      "geo_id": "1600000US2407125",
      "geography_type": "census designated place",
      "table": "B25034",
      "line": 11,
      "category": "Built 1939 or earlier",
      "estimate": 2496,
      "margin_of_error_90": 352,
      "estimate_field": "B25034_E011",
      "moe_field": "B25034_M011",
      "unit": "housing units",
      "universe": "Housing units",
      "period": "2020/2024",
      "source_url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b25034.dat"
    }
  ]
}