QuickFacts

The population of Philadelphia city, Pennsylvania is

1,567,442

Population per square mile in Los Angeles County, California is

2,419.6

23.4%

of persons in San Diego County, California are under 18 years

17.3%

of persons in Florida are 65 years and over

The population of Cook County, Illinois is

5,238,216

Population per square mile in Chicago city, Illinois is

11,841.8

Median household income of Illinois is

$57,574

12.1%

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

Median household income of Maricopa County, Arizona is

$54,229

Median household income of Michigan is

$49,576

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey