QuickFacts

Population per square mile in Los Angeles County, California is

2,419.6

10.3%

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

21.3%

of persons in Florida are under 18 years

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

23.7%

of persons in Cook County, Illinois are under 18 years

The population of Houston city, Texas is

2,296,224

10.9%

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

23.7%

of persons in Ohio are under 18 years

35.6%

of persons 25 years+ in Chicago city, Illinois have a bachelor's degree or higher

11.4%

of persons in San Diego County, California are 65 years and over

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census