QuickFacts

21.6%

of persons in New York city, New York are under 18 years

The population of Harris County, Texas is

4,538,028

11.4%

of persons in California are 65 years and over

The population of Ohio is

11,614,373

The population of Illinois is

12,801,539

Median household income of Chicago city, Illinois is

$48,522

Population per square mile in California is

239.1

Median household income of Philadelphia city, Pennsylvania is

$38,253

23.4%

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

Population per square mile in Pennsylvania is

283.9

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census