QuickFacts

Population per square mile in Los Angeles County, California is

2,419.6

The population of Maricopa County, Arizona is

4,167,947

15.4%

of persons in Pennsylvania are 65 years and over

12.1%

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

12.9%

of persons in North Carolina are 65 years and over

Median household income of Chicago city, Illinois is

$48,522

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

Median household income of Harris County, Texas is

$54,457

35.6%

of persons 25 years+ in Chicago city, Illinois have a bachelor's degree or higher

Median household income of California is

$61,818

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey