American FactFinder provides access to data about the United States, Puerto Rico and the Island Areas.
Data.gov is the home of the U.S. Government’s open data where you can find Federal, state and local data, tools, and resources to conduct research, build apps, design data visualizations, and more.
The diversitydata.org project identifies metropolitan area indicators of diversity, opportunity, quality of life and health for various racial and ethnic population groups.
Pew Research Center is a nonpartisan fact tank that informs the public about the issues, attitudes and trends shaping America and the world.
Public Religion Research Institute (PRRI) is a nonprofit, nonpartisan organization dedicated to research at the intersection of religion, values, and public life.
The Census Bureau's mission is to serve as the leading source of quality data about the nation's people and economy.
The Highway Statistics Series consists of annual reports containing analyzed statistical information on motor fuel, motor vehicle registrations, driver licenses, highway user taxation, highway mileage, travel, and highway finance.
The Historical Census Browser allows you to examine state and county topics from 1790 to 1960.
US Social Security
The Social Security Administration provides statistics and analysis on the OASDI
programs and the earnings of the working and beneficiary populations.
USA.gov provides data and statistics on a variety of topics, such as General Government, Environment, Energy, and Agriculture, Family, Home, and Community, Jobs and Education, etc.