This reference compiles information from many sources to provide all the key demographic and economic data for every state, county, metropolitan area, congressional district, and for all cities in the United States with a 2010 population of 25,000 or more. I
American FactFinder provides access to data about the United States, Puerto Rico and the Island Areas. The data in American FactFinder come from several censuses and surveys.
The authoritative and comprehensive summary of statistics on the social, political, and economic conditions of the United States. If you don't know the number of the tables you need, browse the index section to locate your subject and the corresponding table numbers. For access to pre-2013 statistics, visit the Census Bureau's archive.
A source for the statistics of American history, Historical Stats arranges the data by population; work and welfare; economic structure and performance; economic sectors; and government and international relations.
From the US State Department, these handy guides provide information on a country's leaders, politics, economy, and relations with the US. Look for additional resources at the end of each entry.