QuickFacts

25.0%

of persons in California are under 18 years

22.3%

of persons in New York are under 18 years

Median household income of Maricopa County, Arizona is

$54,229

28.0%

of persons in Harris County, Texas are under 18 years

11.9%

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

13.5%

of persons in New York are 65 years and over

Population per square mile in Texas is

96.3

The population of Chicago city, Illinois is

2,720,546

23.4%

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

The population of Los Angeles County, California is

10,170,292

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates