QuickFacts

12.1%

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

24.4%

of persons in Illinois are under 18 years

35.7%

of persons 25 years+ in San Diego County, California have a bachelor's degree or higher

The population of Philadelphia city, Pennsylvania is

1,567,442

12.1%

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

Median household income of Michigan is

$49,576

10.7%

of persons in Georgia are 65 years and over

Population per square mile in Cook County, Illinois is

5,495.1

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

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census