Information about people and housing units is tallied and use to generate the public-use summary tape files. The Princeton University Data Library maintains the following STF files listed by year. STF3F school districts 1063 STF3G neighborhood statistics 1064 STF3H 1109 Each STF presents a particular set of data tables for specific type of geographic areas. Census tracts are summarized. Census tracts are summarized.
Geographic coverage is on a national basis down to county subdivisions.
STF2 includes tables for detailed race and Hispanic populations. Census tracts are summarized. Geographic coverage is on a national basis down to county subdivisions. STF3 is based on the data collected from a sample of the population which filled out the long form of the questionnaire. Census tracts are summarized.