The U.S. Census Bureau explains that "Public Use Microdata Areas (PUMAs) are non-overlapping, statistical geographic areas that partition each state or equivalent entity into geographic areas containing no fewer than 100,000 people each... The Census Bureau defines PUMAs for the tabulation and dissemination of decennial census and American Community Survey (ACS) Public Use Microdata Sample (PUMS) data."
Format
A data frame with 5 rows and 8 variables:
pumace10PUMA code
geoid10GeoID
namelsad10name and the translated legal/statistical area description code for census tract
aland10land area (square meters)
awater10water area (square meters)
intptlat10latitude of the internal point
intptlon10longitude of the internal point
geometryPolygon with PUMA boundary