QuickFacts

The population of Chicago city, Illinois is

2,720,546

15.4%

of persons in Pennsylvania are 65 years and over

12.1%

of persons in Maricopa County, Arizona are 65 years and over

The population of Los Angeles County, California is

10,170,292

23.7%

of persons in Cook County, Illinois are under 18 years

The population of San Diego County, California is

3,299,521

11.4%

of persons in California are 65 years and over

Median household income of San Diego County, California is

$64,309

Population per square mile in Illinois is

231.1

In Philadelphia city, Pennsylvania

57.3%

of females 16 years+ are in the civilian labor force

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey