QuickFacts

15.4%

of persons in Pennsylvania are 65 years and over

Population per square mile in Los Angeles County, California is

2,419.6

Population per square mile in Cook County, Illinois is

5,495.1

The population of Illinois is

12,801,539

The population of Michigan is

9,928,300

12.1%

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

13.5%

of persons in New York are 65 years and over

8.1%

of persons in Harris County, Texas are 65 years and over

27.3%

of persons in Texas are under 18 years

Median household income of Harris County, Texas is

$54,457

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey