Websites listed below contain economic data.
This list is not meant to be exhaustive; it lists the more commonly used and useful sites.
Bureau of Economic Analysis - BEA produces economic accounts statistics that enable government and business decision-makers, researchers, and the American public to follow and understand the performance of the Nation's economy.
National Bureau of Economic Research - Data archives from the nation's leading nonprofit economic research organization.
Federal Reserve Data - Federal Reserve Board's Data Download website.
Image source: Distribution of U.S. Wealth. Guest2625. CC BY-SA 3.0. Wikimedia Commons.