Due to the lapse of federal funding, portions of this website are not being updated. Any inquiries submitted via www.census.gov will not be answered until appropriations are enacted.
The 2010 ACS data release marks the first time ACS will use 2010 tabulation geography for most statistical areas, the same definitions as the 2010 Census.
2006-2010 ACS 5-year is the first release of estimates for tribal tracts and tribal block groups.