QuickFacts

26.4%

of persons in Maricopa County, Arizona are under 18 years

27.3%

of persons in Texas are under 18 years

15.4%

of persons in Pennsylvania are 65 years and over

11.4%

of persons in San Diego County, California are 65 years and over

Population per square mile in Ohio is

282.3

17.3%

of persons in Florida are 65 years and over

Population per square mile in New York city, New York is

27,012.5

14.1%

of persons in Ohio are 65 years and over

Median household income of California is

$61,818

Population per square mile in New York is

411.2

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census