Search all CQ Press databases at once, including CQ Almanac, CQ Researcher Plus Archive, CQ Magazine, Politics in America, and Supreme Court Yearbook. (Sage)
Search an archive of public opinion polls from US and international polling firms since 1935 on topics such as social issues, politics, pop culture, international affairs, science, the environment, and more. Note: You must create an account to download the datasets. (Cornell University)
These resources help find information on states, counties and cities for individual analysis or for comparision of state governments.