Roper iPoll (can also accessed through CLIO)
Health Poll Database is an archive of exclusively health-oriented survey questions. It is designed to support research on topics like the social determinants of health, access to care, individual health status, health policy, and health politics. (See more details here)
A collection of data, largely public opinion, that is part of a public data archive maintained by the University of North Carolina.
The Pew Research Center for the People & the Press is an independent, non-partisan public opinion research organization, which provides national, international and trans-national surveys covering attitudes toward politics, the press and public policy issues. All data files are listed under the "DATASETS" tab
A public archive of statewide polls of New Jersey residents conducted by Eagleton in conjunction with the newspaper, the Star Ledger.
A commercial index to question-level results
Gallup Poll Social Series (GPSS)