CensusCD + Maps (User Guide - online)Primarily a source for 1990 Census data, but also contains popluation estimates and projections, consumer spending information, and historical county statistics from 1790 to 1996. Data encompass a broad array of population and housing characteristics including age, sex, race, household relationship, education, income, ancestry, employment, disability status, and others items. Lowest level of geography displayed is the Census block group. CDs available in Scholars' Lab.