This website provides access to U.S. government open data sets. Provides access to “raw” data, geodata, and data tools. Data is easily searchable through the catalogs and can be accessed in XML, Text/CSV, KML/KMZ, Feeds, XLS, or ESRI Shapefile formats.
The Roper Center for Public Opinion Research, located at Cornell University, collects, preserves, and disseminates public opinion data. The Center's collection includes over 22,000 datasets and adds hundreds more each year.
Hosted by the Odum Institute for Research in Social Science. The Odum Institute's Public Opinion Poll Question Database allows users to search for specific poll questions from more than 230,000 questions in the Institutes archive. It also provides access to data files.