QuickFacts

14.1%

of persons in Ohio are 65 years and over

The population of Philadelphia city, Pennsylvania is

1,567,442

Median household income of California is

$61,818

23.7%

of persons in Cook County, Illinois are under 18 years

Median household income of Harris County, Texas is

$54,457

25.0%

of persons in California are under 18 years

26.4%

of persons in Maricopa County, Arizona are under 18 years

The population of San Diego County, California is

3,299,521

Population per square mile in Houston city, Texas is

3,501.5

The population of California is

39,250,017

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates