QuickFacts

Population per square mile in Michigan is

174.8

8.1%

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

Median household income of Maricopa County, Arizona is

$54,229

The population of Harris County, Texas is

4,538,028

12.5%

of persons in Illinois are 65 years and over

21.3%

of persons in Florida are under 18 years

12.1%

of persons in Philadelphia city, Pennsylvania are 65 years and over

21.6%

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

23.9%

of persons in North Carolina are under 18 years

The population of California is

39,250,017

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates