QuickFacts

13.5%

of persons in New York are 65 years and over

The population of Maricopa County, Arizona is

4,167,947

Population per square mile in Harris County, Texas is

2,402.4

Median household income of Harris County, Texas is

$54,457

15.4%

of persons in Pennsylvania are 65 years and over

The population of Pennsylvania is

12,784,227

22.0%

of persons in Pennsylvania are under 18 years

12.1%

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

10.3%

of persons in Chicago city, Illinois are 65 years and over

25.0%

of persons in California are under 18 years

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census