QuickFacts

The population of North Carolina is

10,146,788

Population per square mile in Maricopa County, Arizona is

414.9

25.0%

of persons in California are under 18 years

21.6%

of persons in New York city, New York are under 18 years

The population of Philadelphia city, Pennsylvania is

1,567,442

12.1%

of persons in Maricopa County, Arizona are 65 years and over

The population of Texas is

27,862,596

Median household income of Cook County, Illinois is

$55,251

12.5%

of persons in Illinois are 65 years and over

17.3%

of persons in Florida are 65 years and over

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census