SeriesInfo_tl_2021_bg.shp.iso.xml eng UTF-8 series 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 Washington DC 20233-7400 USA geo.geography@census.gov custodian 202122 ISO 19115 Geographic Information - Metadata 2009-02-15 https://www2.census.gov/geo/tiger/TIGER2021/BG/ TIGER/Line Shapefile, Current, Series Information for the Current Block Group State-based Shapefile TIGER/Line Shapefile, 2021, Series Information for the Current Block Group State-based Shapefile National Geospatial Data Asset (NGDA) Current Block Group State-based 2021 publication U.S. Department of Commerce, U.S. Census Bureau, Geography Division, Spatial Data Collection and Products Branch 301.763.1128 4600 Silver Hill Road Washington DC 20233-7400 USA geo.geography@census.gov custodian The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master Address File / Topologically Integrated Geographic Encoding and Referencing (MAF/TIGER) Database (MTDB). The MTDB represents a seamless national file with no overlaps or gaps between parts, however, each TIGER/Line shapefile is designed to stand alone as an independent data set, or they can be combined to cover the entire nation. Block Groups (BGs) are clusters of blocks within the same census tract. Each census tract contains at least one BG, and BGs are uniquely numbered within census tracts. BGs have a valid code range of 0 through 9. BGs have the same first digit of their 4-digit census block number from the same decennial census. For example, tabulation blocks numbered 3001, 3002, 3003,.., 3999 within census tract 1210.02 are also within BG 3 within that census tract. BGs coded 0 are intended to only include water area, no land area, and they are generally in territorial seas, coastal water, and Great Lakes water areas. Block groups generally contain between 600 and 3,000 people. A BG usually covers a contiguous area but never crosses county or census tract boundaries. They may, however, cross the boundaries of other geographic entities like county subdivisions, places, urban areas, voting districts, congressional districts, and American Indian / Alaska Native / Native Hawaiian areas. The BG boundaries in this release are those that were delineated as part of the Census Bureau's Participant Statistical Areas Program (PSAP) for the 2020 Census. In order for others to use the information in the Census MAF/TIGER database in a geographic information system (GIS) or for other geographic applications, the Census Bureau releases to the public extracts of the database in the form of TIGER/Line Shapefiles. http://tigerweb.geo.census.gov/arcgis/services/TIGERweb/tigerWMS_Current/MapServer/WmsServer?REQUEST=GetMap&SERVICE=WMS&VERSION=1.3.0 &LAYERS=2010 Census Blocks,2010 Census Blocks Labels&STYLES=default,default&FORMAT=image/svg+xml&BGCOLOR=0xFFFFFF&TRANSPARENT=TRUE&CRS=EPSG:4326&BBOX=42.499053,-71.897142,42.52679,-71.889999&WIDTH=891&HEIGHT=751Block groupsWMS Block groups WMS NGDA National Geospatial Data Asset Governmental Units and Administrative and Statistical Boundaries Theme NGDA Portfolio Themes theme NGDA Portfolio Themes 2017-03-24 revision https://www.fgdc.gov/policyandplanning/a-16/appendixe/20170324-ngda-themes-fgdc-sc-revised-appendixe.pdf State or equivalent entity Polygon Block Group BG None U.S United States ISO 3166: Codes for the representation of names of countries and their subdivisions Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware District of Columbia Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming National Standard Codes (ANSI INCITS 38-2009), Federal Information Processing Series (FIPS) – States/State Equivalents The TIGER/Line Shapefile products are not copyrighted. However, TIGER/Line and Census TIGER are registered trademarks of the U.S. Census Bureau. These products are free to use in a product or publication, however acknowledgement must be given to the U.S. Census Bureau as the source. eng UTF-8 boundaries The TIGER/Line shapefiles contain geographic data only and do not include display mapping software or statistical data. For information on how to use the TIGER/Line shapefile data with specific software package users shall contact the company that produced the software. -179.231086 179.859681 71.439786 -14.601813 publication date 202006 202105 HTML 2000 HTML 2000 HTML 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 Washington DC 20233-7400 USA geo.geography@census.gov custodian The online copy of the TIGER/Line Shapefiles may be accessed without charge. https://www2.census.gov/geo/tiger/TIGER2021/BG/ https Subdirectories This is the TIGER2021/BG/ directory Download directory for the TIGER2021/BG/ files. download https://meta.geo.census.gov/data/existing/decennial/GEO/GPMB/TIGERline/Current_19110/tl_2021_bg.ea.iso.xml https Subdirectories This is the directory missing theme Finalfile name: t and download https://www.census.gov/programs-surveys/geography/technical-documentation/complete-technical-documentation/tiger-geo-line.html https Subdirectories This is the directory TIGER/Line Shapefiles and TIGER/Line Files Technical Documentation download https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/tigerWMS_Current/MapServer http://opengis.net/spec/wms TIGERweb/tigerWMS_Current (MapServer) This web mapping service contains the layer for the CurrentThis URL is to be used in mapping software like ArcMap. To use this in a web browser, see the OGC Web Mapping Specification. search https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Tracts_Blocks/MapServer http://www.geoplatform.gov/spec/esri-map-rest TIGERweb/Tracts_Blocks (MapServer) This Rest Service contains the 2010 Census Block Groups layer search This was transformed from the Census Geospatial Product Metadata Content Standard. This dataset is currently a National Geospatial Data Asset (NGDA) dataset. Next October, this dataset will be edited to remove all the NGDA related tags metadata tags