QuickFacts

Population per square mile in Houston city, Texas is

3,501.5

21.6%

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

The population of Illinois is

12,801,539

23.1%

of persons in Los Angeles city, California are under 18 years

Median household income of Cook County, Illinois is

$55,251

The population of Pennsylvania is

12,784,227

11.4%

of persons in San Diego County, California are 65 years and over

The population of North Carolina is

10,146,788

11.4%

of persons in San Diego County, California are 65 years and over

24.5%

of persons in Los Angeles County, California are under 18 years

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census