Social Explorer provides historical census data and demographic information from the U.S. Census, American Community Survey, the Religious Congregations and Membership Study, and the 2002 Carbon Emissions Data from the Vulcan Project. You can select data and generate maps to display it or read the information in report form.
The trial runs through August 20th, 2011. Contact Steve McGinty, Social Sciences Bibliographer, at 413-545-1871.