U.S. Census Bureau- provides U.S. demographic and economic data, as well as population projections.
CensusScope- developed by the Social Science Data Analysis Network at the University of Michigan. CensusScope is a fun, easy-to-use tool for studying U.S. demographic trends.
American FactFinder- a division of the U.S. Census Bureau, this site provides information regarding population, housing, economic and geographical data.
Bureau of Labor Statistics- provides accurate statistical data about the social and economic conditions of our Nation's workers.
National Center for Education Statistics- collects and analyzes data related to education.
Statistical Abstract of the United States- provides a comprehensive, statistical summary about social, political and economic organizations in the US.
National Center for Health Statistics- surveys and collects statistical data about our nations health.