Updated daily. Locate national US public opinion polls rich in a particular subject. Includes access to iPOLL which contains over half a million survey questions and answers asked in the US since the 1930s by more than 150 survey organizations. Access the catalog and questionnaire directly from iPOLL.
The Department of Government is a member institution of the Roper Center at the University of Connecticut, which has a large storehouse of diverse data sets made by news vendors, commercial polling companies, governmental agencies, and academic institutions.