How does the Census use geography data?
The value of most census and sample survey data relates directly to the ability of the Census Bureau to classify the data accurately and usefully into geographic areas, and to portray the geographic entities comprising those areas correctly and meaningfully on maps and in the resulting data products.
What is TIGER census data?
Topologically Integrated Geographic Encoding and Referencing, or TIGER, or TIGER/Line is a format used by the United States Census Bureau to describe land attributes such as roads, buildings, rivers, and lakes, as well as areas such as census tracts.
Why is a census important to population geography?
The Census Bureau maintains unique geographic area boundaries that other local, state, and federal agencies use. The Census Bureau’s urban areas are used by other agencies for a variety of urban and rural programs.
When did the Census Bureau start publishing TIGER data?
TIGER data published through February 2007 (2006 Second Edition) were in a custom text-based format formally known as TIGER/Line files. In 2008, data in shapefile format was published. The Census Bureau has made the data available through WMS servers.
What is the purpose of the Tiger format?
Topologically Integrated Geographic Encoding and Referencing, or TIGER, or TIGER/Line is a format used by the United States Census Bureau to describe land attributes such as roads, buildings, rivers, and lakes, as well as areas such as census tracts. TIGER was developed to support and improve the Bureau’s process of taking the Decennial Census.
Can a GIS be used with a tiger file?
The TIGER files do not contain the census demographic data, but merely the geospatial/map data. GIS can be used to merge census demographics or other data sources with the TIGER files to create maps and conduct analysis. TIGER data is available without cost because U.S. Government publications are required to be released into the public domain .
How are GIS used in the Census Bureau?
TIGER was developed to support and improve the Bureau’s process of taking the Decennial Census . The TIGER files do not contain the census demographic data, but merely the geospatial/map data. GIS can be used to merge census demographics or other data sources with the TIGER files to create maps and conduct analysis.