Geographic concepts for GIS

Shapefiles, spatial representation

 point, lines, polygons

 

 

Geographies for which data are tabulated, mostly polygons

 

United States

States

CBSAs/Metropolitan Statistical Areas

Congressional Districts

Congressional Communities

 

Cities/Places

 

Urban Area

Public Use Microdata Area

 

County

Census Tract

Block Group

Census Block

 

ZIP Code

 

Location

- School

 

Lines

- streets/roads

 

Access

- GeoGateway