Primary Sources:

SOCIAL SCIENCE DATA / PUBLIC OPINION POLLS
See also Gateway Sites

CAIN: Polls of Opinion and Attitude in Northern Ireland, 1973-2000
http://cain.ulst.ac.uk/issues/politics/polls.htm
Polls of Opinion and Attitude in Northern Ireland, 1973-2000

Census Bureau
http://www.census.gov
Statistics on People, Business, Geography, as well as state and Country Quick Facts.

Data on the Net
http://3stages.org/idata/
"Search or browse our listing of 363 Internet sites of numeric Social Science statistical data, data catalogs, data libraries, social science gateways, addresses and more."

Encyclopedia of Education Stats
http://nces.ed.gov/edstats/
Provides quick access to statistics and projections from the Dept. of Education.

Historical United States Census Data Browser
http://mapserver.lib.virginia.edu/
Census data, 1790-1960. Examine state and county copics for individual census years; examine state and county topics over time; generate maps of selected data.

Inter-University Consortium for Political and Social Research
http://www.icpsr.umich.edu/icpsrweb/ICPSR/partners/archives.jsp
Special topics archives include Demographic Data, Health and Mental Health, Education, Aging, Criminal Justice, Substance Abuse & Mental Health, International, Instructional Data, Race and Ethnicity, Terrorism.

Odum Institute for Research in Social Science
http://152.2.32.107/odum/jsp/content_node.jsp?nodeid=7
Extensive social science information from polling.

Roper Center for Public Opinion Research: Archives
http://www.ropercenter.uconn.edu/
Archives hold collections of polls from many different countries.