QuickFacts

22.0%

of persons in Pennsylvania are under 18 years

Median household income of Cook County, Illinois is

$54,828

Median household income of New York is

$58,687

The population of Chicago city, Illinois is

2,722,389

Median household income of Philadelphia city, Pennsylvania is

$37,460

Median household income of Harris County, Texas is

$53,822

Population per square mile in Maricopa County, Arizona is

414.9

24.4%

of persons in Illinois are under 18 years

Population per square mile in Texas is

96.3

10.7%

of persons in Georgia are 65 years and over

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census