QuickFacts

24.5%

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

Median household income of California is

$61,818

Median household income of Chicago city, Illinois is

$48,522

Population per square mile in Maricopa County, Arizona is

414.9

23.9%

of persons in North Carolina are under 18 years

Population per square mile in Ohio is

282.3

Population per square mile in New York city, New York is

27,012.5

24.5%

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

11.9%

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

23.1%

of persons in Chicago city, Illinois are under 18 years

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census