From the news release:
THURSDAY, SEPT. 22, 2011: The U.S. Census Bureau today released findings from the 2010 American Community Survey (ACS), the most relied-on source for up-to-date socioeconomic information every year. The release covers more than 40 topics, such as educational attainment, income, health insurance coverage, occupation, language spoken at home, nativity, ancestry and selected monthly homeowner costs.
The estimates are available in detailed tables for the nation, all 50 states, the District of Columbia, Puerto Rico, every congressional district, every metropolitan area, and all counties and places with populations of 65,000 or more. See the Census Bureau’s American FactFinder database to find statistics for your area. Selected high-level highlights can be found here.