QuickFacts

Median household income of Cook County, Illinois is

$55,251

Median household income of Cook County, Illinois is

$55,251

The population of Pennsylvania is

12,784,227

Population per square mile in Michigan is

174.8

23.4%

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

Population per square mile in Georgia is

168.4

Population per square mile in Harris County, Texas is

2,402.4

Population per square mile in California is

239.1

21.3%

of persons in Florida are under 18 years

8.1%

of persons in Harris County, Texas are 65 years and over

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census