Schema
2020 Census Blocks / 2020 Census Blocks - tl_2024_18_tabblock20 / v1.0.0
Schema from tl_2024_18_tabblock20.parquet, gcs-hifld-next-datasets-prod, v1.0.0.
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
| Column | Type | Nullable | Nulls | Unique | Description | Examples / Values |
|---|---|---|---|---|---|---|
| geometry | geometry | No | 0 | — | — Range: —Length: — | Examples: — Values: — |
| STATEFP20 | string | No | 0 | — | — Range: —Length: 2 | Examples: 18, 18, 18, 18, 18 Values: 18 |
| COUNTYFP20 | string | No | 0 | — | — Range: —Length: 3 | Examples: 173, 097, 137, 095, 097 Values: — |
| TRACTCE20 | string | No | 0 | — | — Range: —Length: 6 | Examples: 030704, 390408, 968500, 011502, 340101 Values: — |
| BLOCKCE20 | string | No | 0 | — | — Range: —Length: 4 | Examples: 2029, 2005, 2016, 2008, 3004 Values: — |
| GEOID20 | string | No | 0 | — | — Range: —Length: 15 | Examples: 181730307042029, 180973904082005, 181379685002016, 180950115022008, 180973401013004 Values: — |
| GEOIDFQ20 | string | No | 0 | — | — Range: —Length: 24 | Examples: 1000000US181730307042029, 1000000US180973904082005, 1000000US181379685002016, 1000000US180950115022008, 1000000US180973401013004 Values: — |
| NAME20 | string | No | 0 | — | — Range: —Length: 9 | Examples: Block2029, Block2005, Block2016, Block2008, Block3004 Values: — |
| MTFCC20 | string | No | 0 | — | — Range: —Length: 5 | Examples: G5040, G5040, G5040, G5040, G5040 Values: G5040 |
| UR20 | string | No | 0 | — | — Range: —Length: 1 | Examples: U, U, U, U, U Values: R, U |
| UACE20 | string | Yes | 1,915 | — | — Range: —Length: 5 | Examples: 92296, 41212, 02386, 41212, 41212 Values: — |
| FUNCSTAT20 | string | No | 0 | — | — Range: —Length: 1 | Examples: S, S, S, S, S Values: S |
| ALAND20 | integer | No | 0 | — | — Range: 0 to 11689403Length: — | Examples: 189823, 44434, 9230, 82865, 4558 Values: — |
| AWATER20 | integer | No | 0 | — | — Range: 0 to 1611901Length: — | Examples: 0, 0, 0, 0, 0 Values: — |
| INTPTLAT20 | string | No | 0 | — | — Range: —Length: 11 | Examples: +37.9619048, +39.6867311, +39.2987440, +40.0033424, +39.7781737 Values: — |
| INTPTLON20 | string | No | 0 | — | — Range: —Length: 12 | Examples: -087.3581823, -086.0573741, -085.2262132, -085.6985445, -086.3110514 Values: — |
| HOUSING20 | integer | No | 0 | — | — Range: 0 to 583Length: — | Examples: 13, 32, 4, 16, 9 Values: — |
| POP20 | integer | No | 0 | — | — Range: 0 to 1063Length: — | Examples: 43, 94, 10, 29, 20 Values: — |
| id | integer | No | 0 | — | — Range: 1 to 4990Length: — | Examples: 389, 3824, 4827, 4563, 627 Values: — |