This comprehensive report presents findings from the 1990 U.S. Census of Population and Housing, particularly summary tape file 1 and summary tape file 3. It includes detailed data on topics such as income, education, race, and family size, broken down by state, county, and census tract. The report also provides historical context and analysis of trends over time. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.