QuickFacts

12.1%

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

23.1%

of persons in Chicago city, Illinois are under 18 years

Population per square mile in San Diego County, California is

735.8

28.3%

of persons 25 years+ in Georgia have a bachelor's degree or higher

The population of Michigan is

9,922,576

22.0%

of persons in Pennsylvania are under 18 years

28.0%

of persons in Harris County, Texas are under 18 years

The population of Los Angeles city, California is

3,928,864

13.5%

of persons in New York are 65 years and over

The population of San Diego County, California is

3,263,431

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates