Provides social science research data in disciplines such as sociology, political science, criminology, history, psychology, and more, that may be used to conduct secondary analyses. Includes access to over 7,000 data collections and 500,000 files.
In election years, the Current Population Survey collects data on reported voting and registration, and later reports stats by turnout, age, race and origin. Reports, data, and graphics from the US Census.
Pew Research Center is a nonpartisan fact tank that informs the public about the issues, attitudes and trends shaping the world. It conducts public opinion polling, demographic research, media content analysis and other empirical social science research
Dr. Michael McDonald, an Associate Professor at George Mason University, provides national and state voter turnout statistics from 1980 to the present.
Provides results of U.S. Presidential Elections down to the county level. Data is collected from many official sources and presented here in one convenient location.
270towin.com is an interactive Electoral College map for 2016 and a history of Presidential elections in the United States. Since electoral votes are generally allocated on an "all or none" basis by state, the election of a U.S President is about winning the popular vote in enough states to achieve 270 electoral votes, a majority of the 538 that are available.
Source of scholarly research and current data about American women’s political participation. This site presents data and analysis of women's voting behavior, including statistics on turnout and the gender gap in voting.
From the Pew Research Center, the Elections Performance Index, or EPI, is the first comprehensive assessment of election administration in all 50 states and the District of Columbia. Using data from 17 key indicators, the EPI makes it possible to compare election administration policy and performance across the states and from one election cycle to the next. The index presented here is based on the 2008, 2010, 2012, and 2014 elections.
Official vote counts from 1920 to the present for presidential and congressional elections compiled by the Office of the Clerk of the U.S. House of Representatives. This site also contains links to election resources found on the websites of the Census Bureau, National Archives, Federal Election Commission, and state election offices.