QuickFacts

The population of California is

39,250,017

24.5%

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

14.1%

of persons in Ohio are 65 years and over

23.7%

of persons in Michigan are under 18 years

Median household income of Michigan is

$49,576

Median household income of Cook County, Illinois is

$55,251

The population of Pennsylvania is

12,784,227

12.5%

of persons in Illinois are 65 years and over

25.7%

of persons in Georgia are under 18 years

Population per square mile in San Diego County, California is

735.8

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census