QuickFacts

Population per square mile in North Carolina is

196.1

Population per square mile in Illinois is

231.1

12.1%

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

14.1%

of persons in Ohio are 65 years and over

Population per square mile in Ohio is

282.3

25.9%

of persons in Houston city, Texas are under 18 years

Population per square mile in Harris County, Texas is

2,402.4

25.4%

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

Median household income of Texas is

$53,207

17.3%

of persons in Florida are 65 years and over

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census