Population of states, counties, county sub-divisions, places, Metropolitan Areas, and Urbanized Areas. Public Law 94-171 Data. Population of states, counties, voting districts, and census tracts by race, Hispanic origin and housing unit count. General data on population and housing for states, counties, places, towns and other county subdivisions. Summary Tape File STF 1 .
Census tracts are the smallest geographical area for which sample data is available.
They typically contain between 2500 and 8000 residents and are relatively homogeneous with respect to population characteristics. Maps are received for Texas cities only. CD-ROM equivalent is Summary Tape File 3A . Congressional District Characteristics. Within each district, there are summaries for counties and places of 10,000 or more.