QuickFacts

The population of Illinois is

12,801,539

22.5%

of persons in Philadelphia city, Pennsylvania are under 18 years

Median household income of Cook County, Illinois is

$55,251

23.7%

of persons in Ohio are under 18 years

Population per square mile in Texas is

96.3

Population per square mile in Los Angeles city, California is

8,092.3

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

27,012.5

The population of Maricopa County, Arizona is

4,167,947

Median household income of Michigan is

$49,576

Median household income of North Carolina is

$46,868

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey