QuickFacts

Population per square mile in California is

239.1

Population per square mile in Florida is

350.6

Population per square mile in Michigan is

174.8

Median household income of Harris County, Texas is

$54,457

11.9%

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

The population of Maricopa County, Arizona is

4,167,947

23.4%

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

Median household income of Chicago city, Illinois is

$48,522

Median household income of Los Angeles County, California is

$56,196

12.9%

of persons in North Carolina are 65 years and over

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census