QuickFacts

23.1%

of persons in Chicago city, Illinois are under 18 years

The population of San Diego County, California is

3,299,521

Population per square mile in Chicago city, Illinois is

11,841.8

22.5%

of persons in Philadelphia city, Pennsylvania are under 18 years

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

9.0%

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

Median household income of Philadelphia city, Pennsylvania is

$38,253

The population of Georgia is

10,310,371

13.8%

of persons in Michigan are 65 years and over

12.1%

of persons in Philadelphia city, Pennsylvania are 65 years and over

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census