QuickFacts

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

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

Population per square mile in Houston city, Texas is

3,501.5

Population per square mile in Chicago city, Illinois is

11,841.8

23.1%

of persons in Chicago city, Illinois are under 18 years

28.4%

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

23.1%

of persons in Chicago city, Illinois are under 18 years

27.3%

of persons in Texas are under 18 years

10.9%

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

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census