1. U.S. Census Bureau, 2010 Census.

2. The Kaiser Family Foundation, statehealthfacts.org. Data Source: Urban Institute and Kaiser Commission on Medicaid and the Uninsured estimates based on data from Centers for Medicare and Medicaid Services-64 reports, March 2009.

3. Kaiser Commission on Medicaid and the Uninsured and Urban Institute estimates based on data from Centers for Medicare and Medicaid Services HCFA-64 reports, 2011.

4. Consumer Sentinel Network Data Book. Federal Trade Commission, March 2011.