LibGuides: Politics: Data and Statistics: United States

Campaign Finance

Federal Elections Commission
See how candidates and committees raise and spend money in federal elections. This financial data helps voters make informed decisions.
Follow the Money
Tracks contributions and expenditures for candidates, PACs, committees, ballot measures, and independent expenditures for each state.
OpenSecrets.org
This independent website tracks the influence of money on politics and public policy. Data and analysis is provided for presidential and congressional elections, congressional committee members, personal financial disclosures, travel, political parties, industries, lobbying, political action committees and 527s.

Dave Leip's Atlas of U.S. Presidential Elections This link opens in a new window
Data sets on candidates, parties, popular and electoral vote totals, and voter turnout.
CQ Voting and Elections Collection This link opens in a new window
See http://library.cqpress.com/elections/static.php?page=about

America Votes
Call Number: JK1967 .A8
Official, state-certified election returns by county and by district for the House, Senate and gubernatorial elections, including key data on the presidential election. 1956-2016.

The Record of American Democracy, 1984-1990
This project meshes the 2000 U.S. federal election results at the precinct level with the demographic data from the 2000 U.S. Census.
U.S. House of Representatives, Office of the Clerk: Election Statistics
Since 1920, the Clerk of the House has collected and published the official vote counts for federal elections from the official sources among the various states and territories.
MIT Election Data Science Lab
A a clearinghouse for data sets that can fuel studies on elections and how they're conducted.
270toWin
Maps of electoral college votes back to 1789. Also includes voting history and trends by state.
American Presidency Project
Presidential election data from 1789-present.
Harvard Election Data Archive
Core data for the archive are state, county and district level election returns for all recent state and federal elections in the United States.

U.S. Election Assistance Commission
The EAC studies election administration issues. EAC datasets for selected reports are available for download.
United States Election Project
The mission of the project is to provide timely and accurate election statistics, electoral laws, research reports, and other useful information regarding the United States electoral system.
Voting and Registration
Information on reported voting and registration by various demographic and socioeconomic characteristics is collected for the nation in November of Congressional and Presidential election years in the United States Census Bureau Current Population Survey.

American National Election Studies
ANES produces high quality data from its own surveys on voting, public opinion, and political participation. Free registration is required to view and download data.

Gallup Analytics This link opens in a new window
Gallup Analytics is an online platform that provides subscribers with access to nearly a century of U.S. data and a decade of global tracking data from the Gallup World Poll.

National Annenberg Election Survey
The NAES examines political attitudes about candidates, issues and the traits Americans want in a president. Researchers must contact NAES directly to request access to their data.
Pew Research Center - Elections and Campaigns
Polling Report
Aggregates polling data from dozens of prominent pollsters.

Polling the Nations This link opens in a new window
Most comprehensive collection of public opinion, from the United States and more than 80 other countries. The database includes the full text of the questions and responses covering a broad range of issues.
Polling the Nations began in 1981 as a database of American public opinion published in a book format (American Public Opinion Index). Over the years the database expanded to include surveys in Europe, Canada, Mexico, Africa, and Asia, in an electronic format.
Roper iPoll This link opens in a new window
Provided by the Roper Center for Public Opinion Research at Cornell University, Roper iPoll is the largest collection of public opinion poll data with results from 1935 to the present. Roper iPoll contains nearly 800,000 questions and over 23,000 datasets from both U.S. and international polling firms. Surveys cover any number of topics including, social issues, politics, pop culture, international affairs, science, the environment, and much more. When available, results charts, demographic crosstabs and full datasets are provided for immediate download.