QuickFacts

23.7%

of persons in Ohio are under 18 years

Population per square mile in Chicago city, Illinois is

11,841.8

23.4%

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

The population of Philadelphia city, Pennsylvania is

1,567,442

12.1%

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

23.1%

of persons in Chicago city, Illinois are under 18 years

Population per square mile in Texas is

96.3

35.7%

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

10.9%

of persons in Los Angeles County, California are 65 years and over

Population per square mile in Illinois is

231.1

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census