PolicyMap is a cloud-base data and mapping platform enabling government, commercial, non-profit and academic institutions to access data about communities and markets across the U.S. It may be used for research, market studies, business planning, site selection, grant applications and impact analysis.

 http://uclid.uc.edu/search~S9/?searchtype=X&searcharg=policymap&searchscope=39

Available data includes demographics, home sale statistics, health data, mortgage trends, school performance scores and labor data like unemployment, crime statistics and city crime rates. ( Jan. 26, 2012)

Full listing of datasets http://www.policymap.com/our-data-directory.html