QuickFacts

15.4%

of persons in Pennsylvania are 65 years and over

The population of Harris County, Texas is

4,441,370

The population of North Carolina is

10,042,802

Population per square mile in Harris County, Texas is

2,402.4

22.0%

of persons in Pennsylvania are under 18 years

13.8%

of persons in Michigan are 65 years and over

11.9%

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

24.4%

of persons in Illinois are under 18 years

Median household income of California is

$61,489

24.5%

of persons 25 years+ in Philadelphia city, Pennsylvania have a bachelor's degree or higher

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey