Public Opinion
General Resources
Online Poll Results
Pew Research Center
Provides data and analysis on the issues, attitudes and trends shaping the United States and the world.
Polling the Nations
More than 350,000 questions and responses from 14,000 surveys conducted by 700 polling organizations from 1986 to the present in the United States and more than 80 other countries.
Roper Center for Public Opinion
Provides access to summary-level (question & answer) and micro-level (raw) public opinion data. Also includes U.S. exit poll data and demographic breakdowns of voting in U.S. elections.
World Public Opinion.org
Information and analysis on public opinion from around the world on international issues. Managed by the Program on International Policy Attitudes at the University of Maryland.
Datasets
RoperExpress
Large collection of public opinion data and documentation files from the Roper Center for Public Opinion.
American National Election Studies (ANES)
Provides "high quality data on voting, public opinion, and political participation."
Historical Public Opinion (in print)
Gallup Poll Cumulative Index, 1935-1977 REF HN90 .P8 G355 1999 
Gallup Poll, 1935 to present REF HN90 .P8 G35
Public Opinion Journals
Gallup Poll Briefing (Periodicals)
Polling Report (Periodicals)
Public Opinion Quarterly (Periodicals)
World Opinion Update (Periodicals)
