QuickFacts

The population of Chicago city, Illinois is

2,720,546

Population per square mile in Georgia is

168.4

Median household income of Maricopa County, Arizona is

$54,229

17.3%

of persons in Florida are 65 years and over

24.4%

of persons in Illinois are under 18 years

The population of Philadelphia city, Pennsylvania is

1,567,442

26.4%

of persons in Maricopa County, Arizona are under 18 years

Population per square mile in San Diego County, California is

735.8

28.0%

of persons in Harris County, Texas are under 18 years

9.0%

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

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census