QuickFacts

Population per square mile in Los Angeles County, California is

2,419.6

The population of San Diego County, California is

3,263,431

22.5%

of persons in Philadelphia city, Pennsylvania are under 18 years

22.0%

of persons in Pennsylvania are under 18 years

Median household income of Cook County, Illinois is

$54,828

25.7%

of persons in Georgia are under 18 years

The population of New York city, New York is

8,491,079

23.4%

of persons in San Diego County, California are under 18 years

8.1%

of persons in Harris County, Texas are 65 years and over

Population per square mile in Harris County, Texas is

2,402.4

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census