The Roper Center archives datasets from thousands of surveys with national adult, state, foreign, and special subpopulation samples. iPOLL includes data survey results from academic, commercial and media survey organizations such as Gallup Organization, Harris Interactive, Pew Research Associates, and many more.
Subject covered include: economic issues; education; elections; health issues; international affairs; news media; personal characteristics, beliefs, and lifestyles; polls and polling; science and technology; social issues; and US defense and foreign policy. Coverage: 1935-present
One of the oldest and largest catalog of electronic data in the U.S. Contains N.C Vital Statistics, public opinion data, the National Network of State Polls archive, and other data