QuickFacts

Population per square mile in Los Angeles County, California is

2,419.6

21.6%

of persons in New York city, New York are under 18 years

27.3%

of persons in Texas are under 18 years

12.9%

of persons in North Carolina are 65 years and over

22.0%

of persons in Pennsylvania are under 18 years

13.8%

of persons in Michigan are 65 years and over

The population of San Diego County, California is

3,299,521

The population of Maricopa County, Arizona is

4,167,947

Median household income of Philadelphia city, Pennsylvania is

$38,253

Population per square mile in Texas is

96.3

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census