Feature Catalog for the 2021 Census Blocks TIGER/Line Shapefile 2021 Census Blocks 2021 20210523 eng UTF-8 U.S. Department of Commerce, U.S. Census Bureau, Geography Division, Spatial Data Collection and Products Branch 301-763-1128 301-763-4710 4600 Silver Hill Road, Stop 7400 Washington DC 20233-7400 United States geo.geography@census.gov custodian TABBLOCK20.shp 2020 Census Block State-based false STATEFP20 2020 Census state Federal Information Processing Series (FIPS) codes National Standard Codes (ANSI INCITS 38-2009), Federal Information Processing Series (FIPS) - States/State Equivalents COUNTYFP20 2020 Census county Federal Information Processing Series (FIPS) code National Standard Codes (ANSI INCITS 31-2009), Federal Information Processing Series (FIPS) - Counties/County Equivalents TRACTCE20 2020 Census census tract code. 000100 to 989999 Census tract number 990000 to 990099 Water tract 990100 to 998999 Census tract number BLOCKCE20 2020 Census tabulation block number 0001 9999 GEOID20 Block identifier; a concatenation of 2020 Census state Federal Information Processing Series (FIPS) code, county FIPS code, census tract code, and tabulation block number The GEOID20 attribute is a concatenation of the2020 state FIPS code, followed by the 2020 county FIPS code, followed by the 2020 census tract code, followed by the 2020 tabulation block number. No spaces are allowed between the two codes. The State FIPS code is taken from " National Standard Codes (ANSI INCITS 38-2009), Federal Information Processing Series (FIPS) - States". The county FIPS code is taken from "National Standard Codes (ANSI INCITS 31-2009), Federal Information Processing Series (FIPS) - Counties/County Equivalents". The census tract code is taken from the "TRACTCE20" attribute. The tabulation block number is taken from the " BLOCKCE20" attribute. NAME20 2020 Census tabulation block name; a concatenation of 'Block', and the current tabulation block number Refer to the tabulation block number that appears in BLOCKCE20 MTFCC20 MAF/TIGER feature class code G5040 Tabulation Block UR20 2020 Census urban/rural indicator R Area is classified as rural U Area is classified as urban UACE20 2020 Census urban area code 00001 98999 UATYPE20 2020 Census urban area type U Urbanized Area (suffix) C Urban cluster (suffix) FUNCSTAT20 2020 Census functional status S Statistical entity ALAND20 2020 Census land area (square meters) 0 9999999 AWATER20 2020 Census water area (square meters) 0 9999999 INTPTLAT20 2020 Census latitude of the internal point -90 90 INTPTLON20 2020 Census longitude of the internal point -180 180