QuickFacts

11.9%

of persons in Cook County, Illinois are 65 years and over

12.1%

of persons in Philadelphia city, Pennsylvania are 65 years and over

22.0%

of persons in Pennsylvania are under 18 years

27.3%

of persons in Texas are under 18 years

13.8%

of persons in Michigan are 65 years and over

10.3%

of persons in Texas are 65 years and over

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

Median household income of North Carolina is

$46,868

The population of San Diego County, California is

3,299,521

11.4%

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

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census