QuickFacts

24.4%

of persons in Illinois are under 18 years

8.1%

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

24.4%

of persons in Illinois are under 18 years

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

29.5%

of persons 25 years+ in Harris County, Texas have a bachelor's degree or higher

The population of Los Angeles city, California is

3,971,883

13.8%

of persons in Michigan are 65 years and over

10.3%

of persons in Chicago city, Illinois are 65 years and over

12.1%

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

The population of Michigan is

9,928,300

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates