QuickFacts

23.7%

of persons in Ohio are under 18 years

25.0%

of persons in California are under 18 years

Population per square mile in Michigan is

174.8

The population of Harris County, Texas is

4,538,028

11.9%

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

The population of Maricopa County, Arizona is

4,167,947

23.4%

of persons in San Diego County, California are under 18 years

The population of Pennsylvania is

12,784,227

Median household income of North Carolina is

$46,868

Median household income of New York city, New York is

$53,373

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey