QuickFacts

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

Population per square mile in California is

239.1

Median household income of Cook County, Illinois is

$54,828

13.8%

of persons in Michigan are 65 years and over

Population per square mile in Chicago city, Illinois is

11,841.8

Median household income of San Diego County, California is

$63,996

Population per square mile in Georgia is

168.4

The population of Los Angeles County, California is

10,116,705

22.3%

of persons in New York are under 18 years

Median household income of Ohio is

$48,849

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey