QuickFacts

The population of Maricopa County, Arizona is

4,167,947

23.7%

of persons in Ohio are under 18 years

15.4%

of persons in Pennsylvania are 65 years and over

The population of Texas is

27,862,596

Median household income of Ohio is

$49,429

The population of Los Angeles city, California is

3,971,883

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

11.4%

of persons in San Diego County, California are 65 years and over

12.1%

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

10.9%

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

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census