QuickFacts

21.6%

of persons in New York city, New York are under 18 years

24.5%

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

Population per square mile in Cook County, Illinois is

5,495.1

Population per square mile in Ohio is

282.3

The population of Harris County, Texas is

4,538,028

The population of San Diego County, California is

3,299,521

12.1%

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

9.0%

of persons in Houston city, Texas are 65 years and over

Median household income of Georgia is

$49,620

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

27,012.5

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census