The purpose of Data.gov is to increase public access to high value, machine readable datasets generated by the Executive Branch of the Federal Government. Search either the "Raw" Data Catalog, the Tool Catalog, or the Geodata Catalog.
Criminal Justice
Crime in the United States 2010
FBI Uniform Crime Reports and other crime statistics
Education
National Center for Education Statistics
Energy
Energy Information Administration
Financial & Labor Statistics
Federal Deposit Insurance Corporation
Internal Revenue Service, Tax Statistics
Health & Science
National Center for Health Statistics
Populations
Forum on Children and Family Statistics
Department of Homeland Security, Immigration Statistics
Transportation