QuickFacts

12.1%

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

25.0%

of persons in California are under 18 years

Median household income of Illinois is

$57,574

Median household income of Philadelphia city, Pennsylvania is

$38,253

The population of Michigan is

9,928,300

The population of Maricopa County, Arizona is

4,167,947

23.1%

of persons in Los Angeles city, California are under 18 years

Population per square mile in Ohio is

282.3

27.3%

of persons 25 years+ in Florida have a bachelor's degree or higher

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