Non-partisan. Includes CQ Press Almanac, Congress Collection, Researcher Plus Archive, CQ Press Magazine, Politics in America, Supreme Court Yearbook, Voting and Elections Collection, and interactive tools to retrieve data.
Pew Research Center is a nonpartisan fact tank that conducts public opinion polling, demographic research, media content analysis and other empirical social science research. Go to the "Internet & Tech" tab for data about internet and social media use among different demographic groups.
Oldest and most comprehensive collection of public opinion survey datasets in the world, from 1935 to present. Focus is on the U.S., but many surveys from Europe, Latin America, and Asia have been acquired, some dating back to the 1940s and 1950s. Access note: Log in required for some functions. Register for a free account with your colorado.edu email address.