QuickFacts

24.4%

of persons in Illinois are under 18 years

Population per square mile in Michigan is

174.8

9.0%

of persons in Houston city, Texas are 65 years and over

21.3%

of persons in Florida are under 18 years

The population of Pennsylvania is

12,802,503

Population per square mile in Texas is

96.3

11.4%

of persons in California are 65 years and over

Median household income of Cook County, Illinois is

$54,828

24.4%

of persons in Illinois are under 18 years

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: Population Estimates