QuickFacts

Population per square mile in California is

239.1

25.9%

of persons in Houston city, Texas are under 18 years

23.9%

of persons in North Carolina are under 18 years

Population per square mile in Los Angeles city, California is

8,092.3

The population of Philadelphia city, Pennsylvania is

1,560,297

The population of Pennsylvania is

12,802,503

12.1%

of persons in New York city, New York are 65 years and over

12.5%

of persons in Illinois are 65 years and over

22.5%

of persons in Philadelphia city, Pennsylvania are under 18 years

Median household income of Maricopa County, Arizona is

$53,689

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey