QuickFacts

23.1%

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

Population per square mile in Texas is

96.3

The population of Illinois is

12,859,995

Population per square mile in North Carolina is

196.1

10.5%

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

Median household income of Los Angeles County, California is

$55,870

Median household income of San Diego County, California is

$63,996

Median household income of Cook County, Illinois is

$54,828

10.3%

of persons in Texas are 65 years and over

Median household income of Maricopa County, Arizona is

$53,689

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey