QuickFacts

26.4%

of persons in Maricopa County, Arizona are under 18 years

13.5%

of persons in New York are 65 years and over

Median household income of Ohio is

$49,429

12.9%

of persons in North Carolina are 65 years and over

11.4%

of persons in San Diego County, California are 65 years and over

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

25.7%

of persons in Georgia are under 18 years

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

9.0%

of persons in Houston city, Texas are 65 years and over

The population of San Diego County, California is

3,299,521

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates