USAFacts is a new data-driven portrait of the American population, our government’s finances, and government’s impact on society. It relies exclusively on publicly available government data sources. USAFacts Institute
The Census Bureau's mission is to serve as the leading source of quality data about the nation's people and economy. They have data on the population, the economy, the government and American communities.
A two-part compendium updating and expanding the second edition, Historical Statistics of the United States, Colonial Times to 1957.
This bicentennial edition, includes more than 12,500 time series, mostly annual, providing a statistical history of U.S. social, economic, political, and geographic development during periods from 1610 to 1970.