Series Information File for the 2018 TIGER/Line Shapefile, 2010 Census Block State-based

Metadata Updated: October 10, 2019

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.

Census Blocks are statistical areas bounded on all sides by visible features, such as streets, roads, streams, and railroad tracks, and/or by nonvisible boundaries such as city, town, township, and county limits, and short line-of-sight extensions of streets and roads. Census blocks are relatively small in area; for example, a block in a city bounded by streets. However, census blocks in remote areas are often large and irregular and may even be many square miles in area. A common misunderstanding is that data users think census blocks are used geographically to build all other census geographic areas, rather all other census geographic areas are updated and then used as the primary constraints, along with roads and water features, to delineate the tabulation blocks. As a result, all 2010 Census blocks nest within every other 2010 Census geographic area, so that Census Bureau statistical data can be tabulated at the block level and aggregated up to the appropriate geographic areas. Census blocks cover all territory in the United States, Puerto Rico, and the Island Areas (American Samoa, Guam, the Commonwealth of the Northern Mariana Islands, and the U.S. Virgin Islands). Blocks are the smallest geographic areas for which the Census Bureau publishes data from the decennial census. A block may consist of one or more faces.

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 October 8, 2019
Metadata Created Date December 13, 2018
Metadata Updated Date October 10, 2019
Reference Date(s) 2018 (publication)
Frequency Of Update notPlanned

Metadata Source

Harvested from 2018_tabblock10

Graphic Preview

URL for the TigerWeb Web Mapping Service

Additional Metadata

Resource Type Series
Metadata Date October 8, 2019
Metadata Created Date December 13, 2018
Metadata Updated Date October 10, 2019
Reference Date(s) 2018 (publication)
Responsible Party Unknown
Contact Email
Access Constraints Access Constraints: None, 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. The boundary information in the TIGER/Line Shapefiles are for statistical data collection and tabulation purposes only; their depiction and designation for statistical purposes does not constitute a determination of jurisdictional authority or rights of ownership or entitlement and they are not legal land descriptions.Coordinates in the TIGER/Line shapefiles have six implied decimal places, but the positional accuracy of these coordinates is not as great as the six decimal places suggest.
Bbox East Long 179.859681
Bbox North Lat 71.441059
Bbox South Lat -14.601813
Bbox West Long -179.231086
Collection Metadata true
Coupled Resource
Frequency Of Update notPlanned
Graphic Preview Description URL for the TigerWeb Web Mapping Service
Graphic Preview File https://tigerweb.geo.census.gov/arcgis/services/TIGERweb/tigerWMS_ACS2018/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=42.339053,-71.08142,42.35679,-70.999961&WIDTH=891&HEIGHT=751
Graphic Preview Type URL for the TigerWeb Web Mapping Service
Guid SeriesCollection_tl_2018_tabblock10.shp.iso.xml
Harvest Object Id ce4a2eca-5171-4228-baf6-6bc6645ea4a2
Harvest Source Id 040cefd2-57b3-409a-9a80-98b801b8d062
Harvest Source Title 2018_tabblock10
Licence
Metadata Language
Metadata Type geospatial
Progress
Spatial Data Service Type
Spatial Reference System
Spatial Harvester True

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