QuickFacts

23.7%

of persons in Ohio are under 18 years

8.1%

of persons in Harris County, Texas are 65 years and over

10.7%

of persons in Georgia are 65 years and over

The population of Maricopa County, Arizona is

4,167,947

Population per square mile in Ohio is

282.3

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

29.5%

of persons 25 years+ in Harris County, Texas have a bachelor's degree or higher

Median household income of Los Angeles County, California is

$56,196

32.3%

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

Population per square mile in Illinois is

231.1

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census