QuickFacts

Population per square mile in Pennsylvania is

283.9

Population per square mile in Florida is

350.6

Population per square mile in Los Angeles city, California is

8,092.3

Population per square mile in California is

239.1

15.4%

of persons in Pennsylvania are 65 years and over

Population per square mile in Harris County, Texas is

2,402.4

Median household income of Philadelphia city, Pennsylvania is

$37,460

27.3%

of persons in Texas are under 18 years

25.9%

of persons in Houston city, Texas are under 18 years

The population of Cook County, Illinois is

5,246,456

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates