Percentages may not sum to 100% due to rounding effects.
For more details, see "Notes to Topics Based on the Current Population Survey (CPS)" at http://www.statehealthfacts.kff.org/methodology.

Population and demographic data on are based on analysis of the Census Bureau’s March 2008 and 2009 Current Population Surveys (CPS; Annual Social and Economic Supplements) and may differ from other population estimates published yearly by the Census Bureau. U.S. and state population data displayed on this site are restricted to the non-institutionalized, civilian (not active duty military) population; state data represent 2-year averages.

Urban Institute and Kaiser Commission on Medicaid and the Uninsured estimates based on the Census Bureau's March 2008 and 2009 Current Population Survey (CPS: Annual Social and Economic Supplements).

Children are ages 0-18.
NSD: Not Sufficient Data.

Persons of Hispanic origin may be of any race; all other racial/ethnic groups are non-Hispanic.
"Other" includes Asian-Americans, Pacific Islanders, American Indians, Aleutians, Eskimos and persons of "Two or More Races". These groups have been combined due to their small populations in many states which prevent meaningful statistical analyses of the groups individually.