Bureau of Economic Analysis : GDP and related data from the national accounts programs of the U.S. Department of Commerce's Bureau of Economic Analysis
Bureau of Labor Statistics : "Principal fact-finding agency for the Federal Government in the broad field of labor economics and statistics. Collects, processes, analyzes, and disseminates essential statistical data to the American public, the U.S. Congress, other Federal agencies, State and local governments, business, and labor."
The Social Statistics Briefing Room : "A collection of crime, demographic, education, and health statistics compiled by various Federal agencies."
Bureau of Transportation Statistics : "BTS compiles, analyzes, and makes accessible information on the Nation's transportation systems; collects information on intermodal transportation and other areas as need; and works to enhance the quality and effectiveness of government statistics."
Bureau of Justice Statistics : "Statistics regarding crimes and victims, drugs, criminal offenders, the justice system, enforcement, and prosecution."
Latest Federal Government Statistics : "Covers main sections, Economic Statistics Briefing Room (ESBR), Social Statistics Briefing Room (SSBR) and The Federal Interagency Council on Statistical Policy (FEDSTATS)."
Energy Information Administration : "Energy Information Administration (U.S. Dept. of Energy) Energy Statistics, Data, and Analysis"
National Center for Education Statistics : Collects and reports statistics and information showing the condition and progress of education in the United States and other nations in order to promote and accelerate the improvement of American education.
STAT-USA/Internet Home Page : "STAT-USA/Internet, a service of the U.S. Department of Commerce, is the site for the U.S. business, economic and trade community, providing authoritative information from the Federal government."
FedStats : Easy access to statistics produced by more than 70 agencies of the United States Federal Government.
EconoMagic : "Provides access to over 100,000 economic times series. Data may be examined online, or downloaded in html or excel spreadsheet format. Each of the series may also be viewed in graphical format."