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Elections in the US: Statistics

resources on US elections from campaigns through primaries, elections, and results; some state and local level info.

Redistricting Data

Redistricting Data Program: U.S. Census   

Census redistricting data used by the 50 states in redrawing US Congressional and state legislature districts
Links to individual state redistricting web sites
This print statistical handbook contains statistical portraits of all 435 U.S. federal congressional districts, based on the 2000 census.

State and Local Data

Many of the suggested resources include data by state for federal-level elections.

Some also include state-level elected offices.

For more, see the State & Local tab on this guide.

Voting and Elections Statistics

CQ Press Voting and Elections
Database integrating data, analyses, concise explanations, and historical material on the American voter, political parties, campaigns and elections and historical and modern races for Congress, the presidency, and governorships. Chronological coverage varies.

Statistical Abstract of the US, Elections section

Voting and Registration Statistics
from the US Census Bureau

Office of the Clerk of the U.S. House of Representatives: Election Information
Official vote counts for Presidential and Congressional elections, by state, since 1920

America Votes
American election statistics compiled biennially since 1956 (print)

Change and Continuity in the 2008 and 2010 Elections
Co-authored by Duke's John Aldrich and David Rohde, this book analyzes the National Election Study results and presents "election data in a straightforward, accessible manner with an array of thorough, yet student-friendly graphics."

America at the polls, 1960-2004, John F. Kennedy to George W. Bush : a handbook of American presidential election statistics
America at the polls: a handbook of American presidential statistics, 1920-1964
Print books that 'tell the story of U.S. presidential elections through extensive, informative, and well-organized statistics gathered from hundreds of official sources.'

Raw Data Sets for analysis

Inter-university Consortium for Political and Social Research (ICPSR)  

Compendium of downloadable data in the social sciences. Datasets relevant to elections include polls and surveys of voting behavior.

American National Election Studies (ANES)  

Data on voting, public opinion and political participation from 1948 to the present.

The book includes a CD-ROM of the NAES codebooks and data, featuring more than 200,000 interviews with adults living in the United States. The data are in both SPSS format and tab-delimited format for use with other statistical software.

Data & GIS Collections
Browse by subject/elections for more datasets available to Duke researchers.

Statistical Compilations

Vital Statistics on American Politics
Historical and current data on elections, political parties, issues like the death penalty and abortion, interest groups, public opinion, social policy. Also in print in Reference.

Statistical History of the American Electorate (2001)

Chapters include: Election Laws and Suffrage; Voting Participation- turnout, mobilization, and eligibility; Presidential, House, Senate, and Gubernatorial Voting, providing an historical picture of voting behavior from the last 200 years.

Historical Statistics of the United States [electronic resource] and [hardcopy]

Public Opinion Polls

Roper Center for Public Opinion Research 

  • Data from polls by major survey organizations, newspapers and networks.
  • iPOLL (national surveys from 1935 to present), Public Opinion Matters, Election Data, and National Science Foundation surveys.

Real Clear Politics

  • Use to find polls from multiple sources (Latest Polls, Obama vs. Romney,  State Polls, Senate Polls, Direction of the Country, and more).

FiveThirtyEight

  • A polling aggregate website by Nate Silver at the New York Times (538 is the number of electors in the Electoral College).

Pew Research Center

  • Includes databank

Polling Report.com

  • Opinion polling data from multiple sources, such as, CNN, Gallup, Pew, Harris, CBS News, and Time.

Public Agenda

  • Non-partisan research and public engagement organization founded in 1975.
  • Reports on topics as varied as Families and Philanthropy.