Census and Demographic Sources
"Provides frequently requested Census Bureau information at the national, state and county level" including People, Business, and Geography categories. Very quick and easy to use!
Official website of the U.S. Census Bureau. This site gives thorough access to census information and statistics.
The National Historical Geographic Information System (NHGIS) provides easy access to summary tables and time series of population, housing, agriculture, and economic data, along with GIS-compatible boundary files, for years from 1790 through the present and for all levels of U.S. census geography, including states, counties, tracts, and blocks.
A trusted source for federal statistical information since 1997. FedStats supports a community of practice for over 100 agencies engaged in the production and dissemination of official federal statistics, and provides the public with a showcase of information, tools and news related to official Federal statistics.
Population, economic, income, health data and more.
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International Statistics Sources
Published by the CIA, this site offers statistical and other information by country. Information is included on the geography, people, government, economy, communications, transportation, and military.