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. ZIP code areas are summarized.
Geographic coverage is on a national basis down to county subdivisions.
Congressional districts are summarized. STF4, containing much more socio-economic detail, is based on the data collected from a sample of the population which filled out the long form of the questionnaire. STF4 includes tables for detailed race and Hispanic populations. Census tracts are summarized. Current Census Holdings at Princeton University 1970 Princeton University currently has data for all 50 states and the District of Columbia for the First Count B, Fourth Count A, B, and C, and Fifth Count files.