QuickFacts

Population per square mile in San Diego County, California is

735.8

23.1%

of persons in Chicago city, Illinois are under 18 years

Median household income of Michigan is

$49,576

The population of Cook County, Illinois is

5,238,216

Median household income of Harris County, Texas is

$54,457

Median household income of Philadelphia city, Pennsylvania is

$38,253

10.5%

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

25.0%

of persons in California are under 18 years

Population per square mile in Houston city, Texas is

3,501.5

11.9%

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

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census