{"links":{"self":"https://hifld.publicenvirodata.org/api/collections/hifld/datasets/2020-census-blocks-1/files/tl_2024_01_tabblock20/schema?version=v1.0.0","file":"https://hifld.publicenvirodata.org/api/collections/hifld/datasets/2020-census-blocks-1/files/tl_2024_01_tabblock20","dataset":"https://hifld.publicenvirodata.org/api/collections/hifld/datasets/2020-census-blocks-1","collection":"https://hifld.publicenvirodata.org/api/collections/hifld"},"collection":{"name":"HIFLD","slug":"hifld","id":1,"description":"HIFLD (Homeland Infrastructure Foundation-Level Data) datasets","created_at":"2026-02-13T02:52:43.921817","updated_at":"2026-02-13T02:52:43.921841"},"dataset":{"name":"2020 Census Blocks","slug":"2020-census-blocks-1","tags":{"inventory_name":"2020-census-blocks-1","categories":["Boundaries","Geonames","Government"]},"created_at":"2026-02-15T07:12:18.802549","updated_at":"2026-02-15T07:12:18.802572","id":3440,"description":"Blocks (Census Blocks) are statistical areas bounded by visible features, such as streets, roads, streams, and railroad tracks, and by non-visible boundaries, such as selected property lines and city, township, school district, and county limits, and short line-of-sight extensions of streets and roads. Generally, census blocks are small in area; for example, a block in a city bounded on all sides by streets. Census blocks in suburban and rural areas may be large, irregular, and bounded by a variety of features, such as roads, streams, and/or transmission line rights-of-way. In remote areas, census blocks may encompass hundreds of square miles. Census blocks cover the entire territory of the United States, Puerto Rico, and the Island Areas. Census blocks nest within all other tabulated census geographic entities and are the basis for all tabulated data.Download: https://www2.census.gov/geo/tiger/TGRGDB24/tlgdb_2024_a_us_block.gdb.zipMetadata: meta.geo.census.gov/data/existing/decennial/GEO/GPMB/TIGERline/Current_19115/series_tl_2023_tabblock20.shp.iso.xml","collection_id":1},"file":{"id":4250,"dataset_id":3440,"slug":"tl_2024_01_tabblock20","name":"tl_2024_01_tabblock20","description":"Blocks (Census Blocks) are statistical areas bounded by visible features, such as streets, roads, streams, and railroad tracks, and by non-visible boundaries, such as selected property lines and city, township, school district, and county limits, and short line-of-sight extensions of streets and roads. Generally, census blocks are small in area; for example, a block in a city bounded on all sides by streets. Census blocks in suburban and rural areas may be large, irregular, and bounded by a variety of features, such as roads, streams, and/or transmission line rights-of-way. In remote areas, census blocks may encompass hundreds of square miles. Census blocks cover the entire territory of the United States, Puerto Rico, and the Island Areas. Census blocks nest within all other tabulated census geographic entities and are the basis for all tabulated data.Download: https://www2.census.gov/geo/tiger/TGRGDB24/tlgdb_2024_a_us_block.gdb.zipMetadata: meta.geo.census.gov/data/existing/decennial/GEO/GPMB/TIGERline/Current_19115/series_tl_2023_tabblock20.shp.iso.xml","layer_name":null},"versions":["v1.0.0"],"selected_version":"v1.0.0","schema":{"version":"v1.0.0","format_type":"geoparquet","format_name":"GeoParquet","source_id":17885,"storage_location":{"id":1,"slug":"gcs-hifld-next-datasets-prod","backend_type":"s3","updated_at":"2026-02-13T02:39:54.364528","name":"GCS hifld-next-datasets-prod","description":"Google Cloud Storage production bucket for dataset files","created_at":"2026-02-13T02:39:54.364506","config":{"version":"v1","type":"gcs","base_url":"https://hifld.publicenvirodata.org/storage","bucket":"hifld-next-datasets-prod"}},"source":{"file_format_id":17639,"id":17885,"created_at":"2026-05-19T21:53:28.655803","storage_location_id":1,"version":"v1.0.0","source_type":"file","references_source_id":null,"updated_at":"2026-06-13T10:01:27.082578","location":{"type":"file","version":"v1","path":"2020-census-blocks-1/tl_2024_01_tabblock20/v1.0.0/geoparquet/tl_2024_01_tabblock20.parquet"},"source_metadata":{"version":"v1","description":null,"size_bytes":112036436,"mime_type":null,"feature_count":185976,"bounds":[-88.473227,30.144425,-84.888246,35.008028],"geometry_type":"Polygon","invalid_geometry_count":0,"quality_check_passed":true,"columns_hash":"9f32d8ae460c5e65870668598997051f44e4e8cb6db6844118fa4e3c87d5048a","columns":[{"name":"geometry","type":"geometry","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":null,"min":null,"max":null,"length":null,"possible_values":null},{"name":"STATEFP20","type":"string","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":["01","01","01","01","01"],"min":null,"max":null,"length":2,"possible_values":["01"]},{"name":"COUNTYFP20","type":"string","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":["071","095","015","095","083"],"min":null,"max":null,"length":3,"possible_values":["015","017","019","033","039","049","071","073","077","083","085","095","109","113","133"]},{"name":"TRACTCE20","type":"string","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":["951000","030301","002600","031002","020300"],"min":null,"max":null,"length":6,"possible_values":null},{"name":"BLOCKCE20","type":"string","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":["4026","1028","2012","2013","3044"],"min":null,"max":null,"length":4,"possible_values":null},{"name":"GEOID20","type":"string","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":["010719510004026","010950303011028","010150026002012","010950310022013","010830203003044"],"min":null,"max":null,"length":15,"possible_values":null},{"name":"GEOIDFQ20","type":"string","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":["1000000US010719510004026","1000000US010950303011028","1000000US010150026002012","1000000US010950310022013","1000000US010830203003044"],"min":null,"max":null,"length":24,"possible_values":null},{"name":"NAME20","type":"string","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":["Block4026","Block1028","Block2012","Block2013","Block3044"],"min":null,"max":null,"length":9,"possible_values":null},{"name":"MTFCC20","type":"string","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":["G5040","G5040","G5040","G5040","G5040"],"min":null,"max":null,"length":5,"possible_values":["G5040"]},{"name":"UR20","type":"string","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":["R","R","R","R","R"],"min":null,"max":null,"length":1,"possible_values":["R","U"]},{"name":"UACE20","type":"string","description":null,"nullable":true,"num_null_values":3325,"num_unique_values":null,"example_values":["01036","29953","29953","01036","01036"],"min":null,"max":null,"length":5,"possible_values":["01036","02359","02629","02791","03655","07786","19099","29953","30844","40780","65620","80092","83377","88543","90082"]},{"name":"FUNCSTAT20","type":"string","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":["S","S","S","S","S"],"min":null,"max":null,"length":1,"possible_values":["S"]},{"name":"ALAND20","type":"integer","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":["401124","498833","12828","898302","404288"],"min":0,"max":46602364,"length":null,"possible_values":null},{"name":"AWATER20","type":"integer","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":["0","6668","0","0","0"],"min":0,"max":10985954,"length":null,"possible_values":null},{"name":"INTPTLAT20","type":"string","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":["+34.6746989","+34.4275126","+33.8369394","+34.2198813","+34.8500190"],"min":null,"max":null,"length":11,"possible_values":null},{"name":"INTPTLON20","type":"string","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":["-085.8061140","-086.5174432","-086.0526226","-086.3257330","-087.2100919"],"min":null,"max":null,"length":12,"possible_values":null},{"name":"HOUSING20","type":"integer","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":["10","24","0","23","0"],"min":0,"max":334,"length":null,"possible_values":null},{"name":"POP20","type":"integer","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":["26","45","0","46","0"],"min":0,"max":1036,"length":null,"possible_values":null},{"name":"id","type":"integer","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":["389","3824","4827","4563","627"],"min":1,"max":4990,"length":null,"possible_values":null}]},"url":"https://hifld.publicenvirodata.org/storage/2020-census-blocks-1/tl_2024_01_tabblock20/v1.0.0/geoparquet/tl_2024_01_tabblock20.parquet","storage_uri":"gs://hifld-next-datasets-prod/2020-census-blocks-1/tl_2024_01_tabblock20/v1.0.0/geoparquet/tl_2024_01_tabblock20.parquet","storage_location":{"id":1,"slug":"gcs-hifld-next-datasets-prod","backend_type":"s3","updated_at":"2026-02-13T02:39:54.364528","name":"GCS hifld-next-datasets-prod","description":"Google Cloud Storage production bucket for dataset files","created_at":"2026-02-13T02:39:54.364506","config":{"version":"v1","type":"gcs","base_url":"https://hifld.publicenvirodata.org/storage","bucket":"hifld-next-datasets-prod"}}},"source_metadata":{"version":"v1","description":null,"size_bytes":112036436,"mime_type":null,"feature_count":185976,"bounds":[-88.473227,30.144425,-84.888246,35.008028],"geometry_type":"Polygon","invalid_geometry_count":0,"quality_check_passed":true,"columns_hash":"9f32d8ae460c5e65870668598997051f44e4e8cb6db6844118fa4e3c87d5048a","columns":[{"name":"geometry","type":"geometry","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":null,"min":null,"max":null,"length":null,"possible_values":null},{"name":"STATEFP20","type":"string","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":["01","01","01","01","01"],"min":null,"max":null,"length":2,"possible_values":["01"]},{"name":"COUNTYFP20","type":"string","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":["071","095","015","095","083"],"min":null,"max":null,"length":3,"possible_values":["015","017","019","033","039","049","071","073","077","083","085","095","109","113","133"]},{"name":"TRACTCE20","type":"string","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":["951000","030301","002600","031002","020300"],"min":null,"max":null,"length":6,"possible_values":null},{"name":"BLOCKCE20","type":"string","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":["4026","1028","2012","2013","3044"],"min":null,"max":null,"length":4,"possible_values":null},{"name":"GEOID20","type":"string","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":["010719510004026","010950303011028","010150026002012","010950310022013","010830203003044"],"min":null,"max":null,"length":15,"possible_values":null},{"name":"GEOIDFQ20","type":"string","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":["1000000US010719510004026","1000000US010950303011028","1000000US010150026002012","1000000US010950310022013","1000000US010830203003044"],"min":null,"max":null,"length":24,"possible_values":null},{"name":"NAME20","type":"string","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":["Block4026","Block1028","Block2012","Block2013","Block3044"],"min":null,"max":null,"length":9,"possible_values":null},{"name":"MTFCC20","type":"string","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":["G5040","G5040","G5040","G5040","G5040"],"min":null,"max":null,"length":5,"possible_values":["G5040"]},{"name":"UR20","type":"string","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":["R","R","R","R","R"],"min":null,"max":null,"length":1,"possible_values":["R","U"]},{"name":"UACE20","type":"string","description":null,"nullable":true,"num_null_values":3325,"num_unique_values":null,"example_values":["01036","29953","29953","01036","01036"],"min":null,"max":null,"length":5,"possible_values":["01036","02359","02629","02791","03655","07786","19099","29953","30844","40780","65620","80092","83377","88543","90082"]},{"name":"FUNCSTAT20","type":"string","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":["S","S","S","S","S"],"min":null,"max":null,"length":1,"possible_values":["S"]},{"name":"ALAND20","type":"integer","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":["401124","498833","12828","898302","404288"],"min":0,"max":46602364,"length":null,"possible_values":null},{"name":"AWATER20","type":"integer","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":["0","6668","0","0","0"],"min":0,"max":10985954,"length":null,"possible_values":null},{"name":"INTPTLAT20","type":"string","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":["+34.6746989","+34.4275126","+33.8369394","+34.2198813","+34.8500190"],"min":null,"max":null,"length":11,"possible_values":null},{"name":"INTPTLON20","type":"string","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":["-085.8061140","-086.5174432","-086.0526226","-086.3257330","-087.2100919"],"min":null,"max":null,"length":12,"possible_values":null},{"name":"HOUSING20","type":"integer","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":["10","24","0","23","0"],"min":0,"max":334,"length":null,"possible_values":null},{"name":"POP20","type":"integer","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":["26","45","0","46","0"],"min":0,"max":1036,"length":null,"possible_values":null},{"name":"id","type":"integer","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":["389","3824","4827","4563","627"],"min":1,"max":4990,"length":null,"possible_values":null}]},"summary":{"columnCount":19,"featureCount":185976,"geometryType":"Polygon","invalidGeometryCount":0,"qualityCheckPassed":true,"columnsHash":"9f32d8ae460c5e65870668598997051f44e4e8cb6db6844118fa4e3c87d5048a"},"columns":[{"name":"geometry","type":"geometry","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":null,"min":null,"max":null,"length":null,"possible_values":null},{"name":"STATEFP20","type":"string","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":["01","01","01","01","01"],"min":null,"max":null,"length":2,"possible_values":["01"]},{"name":"COUNTYFP20","type":"string","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":["071","095","015","095","083"],"min":null,"max":null,"length":3,"possible_values":["015","017","019","033","039","049","071","073","077","083","085","095","109","113","133"]},{"name":"TRACTCE20","type":"string","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":["951000","030301","002600","031002","020300"],"min":null,"max":null,"length":6,"possible_values":null},{"name":"BLOCKCE20","type":"string","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":["4026","1028","2012","2013","3044"],"min":null,"max":null,"length":4,"possible_values":null},{"name":"GEOID20","type":"string","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":["010719510004026","010950303011028","010150026002012","010950310022013","010830203003044"],"min":null,"max":null,"length":15,"possible_values":null},{"name":"GEOIDFQ20","type":"string","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":["1000000US010719510004026","1000000US010950303011028","1000000US010150026002012","1000000US010950310022013","1000000US010830203003044"],"min":null,"max":null,"length":24,"possible_values":null},{"name":"NAME20","type":"string","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":["Block4026","Block1028","Block2012","Block2013","Block3044"],"min":null,"max":null,"length":9,"possible_values":null},{"name":"MTFCC20","type":"string","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":["G5040","G5040","G5040","G5040","G5040"],"min":null,"max":null,"length":5,"possible_values":["G5040"]},{"name":"UR20","type":"string","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":["R","R","R","R","R"],"min":null,"max":null,"length":1,"possible_values":["R","U"]},{"name":"UACE20","type":"string","description":null,"nullable":true,"num_null_values":3325,"num_unique_values":null,"example_values":["01036","29953","29953","01036","01036"],"min":null,"max":null,"length":5,"possible_values":["01036","02359","02629","02791","03655","07786","19099","29953","30844","40780","65620","80092","83377","88543","90082"]},{"name":"FUNCSTAT20","type":"string","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":["S","S","S","S","S"],"min":null,"max":null,"length":1,"possible_values":["S"]},{"name":"ALAND20","type":"integer","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":["401124","498833","12828","898302","404288"],"min":0,"max":46602364,"length":null,"possible_values":null},{"name":"AWATER20","type":"integer","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":["0","6668","0","0","0"],"min":0,"max":10985954,"length":null,"possible_values":null},{"name":"INTPTLAT20","type":"string","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":["+34.6746989","+34.4275126","+33.8369394","+34.2198813","+34.8500190"],"min":null,"max":null,"length":11,"possible_values":null},{"name":"INTPTLON20","type":"string","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":["-085.8061140","-086.5174432","-086.0526226","-086.3257330","-087.2100919"],"min":null,"max":null,"length":12,"possible_values":null},{"name":"HOUSING20","type":"integer","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":["10","24","0","23","0"],"min":0,"max":334,"length":null,"possible_values":null},{"name":"POP20","type":"integer","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":["26","45","0","46","0"],"min":0,"max":1036,"length":null,"possible_values":null},{"name":"id","type":"integer","description":null,"nullable":false,"num_null_values":0,"num_unique_values":null,"example_values":["389","3824","4827","4563","627"],"min":1,"max":4990,"length":null,"possible_values":null}]}}