QuickFacts

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

The population of North Carolina is

10,146,788

23.7%

of persons in Cook County, Illinois are under 18 years

Population per square mile in Ohio is

282.3

The population of Texas is

27,862,596

Population per square mile in Harris County, Texas is

2,402.4

23.7%

of persons in Cook County, Illinois are under 18 years

Population per square mile in Los Angeles city, California is

8,092.3

Population per square mile in Maricopa County, Arizona is

414.9

11.4%

of persons in California are 65 years and over

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census