QuickFacts

14.1%

of persons in Ohio are 65 years and over

14.1%

of persons in Ohio are 65 years and over

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

24.5%

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

25.0%

of persons in California are under 18 years

Population per square mile in Harris County, Texas is

2,402.4

23.7%

of persons in Cook County, Illinois are under 18 years

25.0%

of persons in California are under 18 years

The population of Los Angeles city, California is

3,971,883

30.3%

of persons 25 years+ in Los Angeles County, California have a bachelor's degree or higher

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey