QuickFacts

The population of Maricopa County, Arizona is

4,167,947

Population per square mile in Michigan is

174.8

The population of Florida is

20,612,439

8.1%

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

23.4%

of persons in San Diego County, California are under 18 years

The population of San Diego County, California is

3,299,521

25.7%

of persons in Georgia are under 18 years

15.4%

of persons in Pennsylvania are 65 years and over

Population per square mile in Houston city, Texas is

3,501.5

The population of Georgia is

10,310,371

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates