QuickFacts

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

11.4%

of persons in California are 65 years and over

The population of Florida is

20,612,439

Population per square mile in Maricopa County, Arizona is

414.9

Median household income of Illinois is

$57,574

10.9%

of persons in Los Angeles County, California are 65 years and over

The population of Texas is

27,862,596

9.0%

of persons in Houston city, Texas are 65 years and over

23.7%

of persons in Cook County, Illinois are under 18 years

12.9%

of persons in North Carolina are 65 years and over

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census