QuickFacts

23.1%

of persons in Los Angeles city, California are under 18 years

12.1%

of persons in Philadelphia city, Pennsylvania are 65 years and over

Population per square mile in New York is

411.2

Population per square mile in Chicago city, Illinois is

11,841.8

Population per square mile in California is

239.1

11.4%

of persons in California are 65 years and over

25.0%

of persons in California are under 18 years

The population of Georgia is

10,310,371

Median household income of Los Angeles County, California is

$56,196

11.9%

of persons in Cook County, Illinois are 65 years and over

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census