QuickFacts

Population per square mile in California is

239.1

The population of Florida is

20,612,439

Population per square mile in San Diego County, California is

735.8

13.8%

of persons in Michigan are 65 years and over

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

The population of Cook County, Illinois is

5,238,216

Median household income of Harris County, Texas is

$54,457

The population of Pennsylvania is

12,784,227

11.9%

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

10.7%

of persons in Georgia are 65 years and over

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census