QuickFacts

Population per square mile in California is

239.1

Population per square mile in Cook County, Illinois is

5,495.1

The population of Illinois is

12,801,539

Population per square mile in Houston city, Texas is

3,501.5

23.7%

of persons in Ohio are under 18 years

Population per square mile in Texas is

96.3

Population per square mile in San Diego County, California is

735.8

12.1%

of persons in Philadelphia city, Pennsylvania are 65 years and over

Population per square mile in Ohio is

282.3

Median household income of Florida is

$47,507

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey