QuickFacts

23.4%

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

23.9%

of persons in North Carolina are under 18 years

Population per square mile in Michigan is

174.8

Population per square mile in Los Angeles County, California is

2,419.6

Median household income of Cook County, Illinois is

$55,251

The population of Cook County, Illinois is

5,238,216

Median household income of Georgia is

$49,620

Population per square mile in North Carolina is

196.1

22.0%

of persons in Pennsylvania are under 18 years

9.0%

of persons in Houston city, Texas are 65 years and over

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census