QuickFacts

Population per square mile in Cook County, Illinois is

5,495.1

The population of Harris County, Texas is

4,441,370

The population of Philadelphia city, Pennsylvania is

1,560,297

26.4%

of persons in Maricopa County, Arizona are under 18 years

Median household income of Pennsylvania is

$53,115

Population per square mile in New York city, New York is

27,012.5

13.8%

of persons in Michigan are 65 years and over

Median household income of New York is

$58,687

Population per square mile in North Carolina is

196.1

The population of Chicago city, Illinois is

2,722,389

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates