Contains aging-related population and housing data from the 1990 census, including sample data weighted to represent the total population, as well as 100% counts and unweighted sample counts for total persons and housing units. Data is arranged hierarchically by state down to the census tract/block numbering level.

Contains parts A, B, and C of the statewide 1990 census transportation planning package, a set of special tabulations of census data tailored to meet the data needs of transportation planners. The urban packages contain characteristics of persons, workers, and households for traffic analysis zones, census block groups, or census tracts depending on local preferences.