QuickFacts

23.9%

of persons in North Carolina are under 18 years

Population per square mile in Cook County, Illinois is

5,495.1

10.5%

of persons in Los Angeles city, California are 65 years and over

Population per square mile in California is

239.1

Population per square mile in Los Angeles city, California is

8,092.3

22.3%

of persons in New York are under 18 years

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

27,012.5

11.4%

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

Median household income of Los Angeles County, California is

$56,196

Population per square mile in Harris County, Texas is

2,402.4

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census