QuickFacts

The population of Harris County, Texas is

4,538,028

The population of Illinois is

12,801,539

23.7%

of persons in Cook County, Illinois are under 18 years

10.9%

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

22.5%

of persons in Philadelphia city, Pennsylvania are under 18 years

23.7%

of persons in Ohio are under 18 years

27.6%

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

Population per square mile in North Carolina is

196.1

21.3%

of persons in Florida are under 18 years

23.7%

of persons in Ohio are under 18 years

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census