QuickFacts

Population per square mile in San Diego County, California is

735.8

Population per square mile in Pennsylvania is

283.9

23.7%

of persons in Cook County, Illinois are under 18 years

10.9%

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

10.3%

of persons in Texas are 65 years and over

23.1%

of persons in Chicago city, Illinois are under 18 years

The population of New York is

19,745,289

Median household income of Harris County, Texas is

$54,457

Median household income of San Diego County, California is

$64,309

Median household income of Michigan is

$49,576

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey