TIGER/Line Shapefile, 2019, Series Information for the Current Block Group State-based Shapefile

Metadata Updated: January 15, 2021

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 5001, 5002, 5005,.., 5999 within census tract
            1210.02 are also within BG 5 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 5,000 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 2010 Census.

Access & Use Information

License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

Collection

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Dates

Metadata Date 20200729
Metadata Created Date January 15, 2021
Metadata Updated Date January 15, 2021
Reference Date(s) 2019 (publication)
Frequency Of Update notPlanned

Metadata Source

Harvested from 2019_bg

Additional Metadata

Resource Type
Metadata Date 20200729
Metadata Created Date January 15, 2021
Metadata Updated Date January 15, 2021
Reference Date(s) 2019 (publication)
Responsible Party Unknown
Contact Email
Guid SeriesCollection_tl_2019_bg.dbf.iso.xml
Access Constraints Use Constraints: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.
Bbox East Long 179.859681
Bbox North Lat -14.601813
Bbox South Lat 71.441059
Bbox West Long -179.231086
Collection Metadata true
Coupled Resource
Frequency Of Update notPlanned
Licence
Metadata Language eng
Metadata Type geospatial
Old Spatial {"type": "Polygon", "coordinates": [[[-179.231086, 71.441059], [179.859681, 71.441059], [179.859681, -14.601813], [-179.231086, -14.601813], [-179.231086, 71.441059]]]}
Progress
Spatial Data Service Type
Spatial Reference System
Spatial Harvester True
Temporal Extent Begin 201806
Temporal Extent End 201905

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