Sage Data (formerly Data Planet) provides access to statistical data produced by U.S. Federal agencies, States, private organizations, and intergovernmental organizations. It contains charts, maps, views, rankings, time series and tables.
Policy Map is a web-based Geographic Information System that provides a simple mechanism for visualizing data. Available data includes demographics, home sale statistics, health data, mortgage trends, school performance scores and labor data like unemployment, crime statistics and city crime rates.
Statistical Abstract of the United States (1878-2012)
Statistical Abstract of the United States provides a collection of statistics on the social, political and economic conditions of the United States.