QuickFacts

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

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

27,012.5

Population per square mile in Cook County, Illinois is

5,495.1

23.7%

of persons in Cook County, Illinois are under 18 years

22.5%

of persons in Philadelphia city, Pennsylvania are under 18 years

11.4%

of persons in San Diego County, California are 65 years and over

Median household income of Cook County, Illinois is

$55,251

In Texas

57.7%

of females 16 years+ are in the civilian labor force

Median household income of New York city, New York is

$53,373

In Houston city, Texas

59.9%

of females 16 years+ are in the civilian labor force

Source: 2010 Census

Source: American Community Survey