QuickFacts

12.1%

of persons in Maricopa County, Arizona are 65 years and over

11.9%

of persons in Cook County, Illinois are 65 years and over

Population per square mile in Ohio is

282.3

The population of Harris County, Texas is

4,538,028

Population per square mile in Los Angeles city, California is

8,092.3

Population per square mile in Houston city, Texas is

3,501.5

Population per square mile in Ohio is

282.3

22.0%

of persons in Pennsylvania are under 18 years

32.0%

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

15.4%

of persons in Pennsylvania are 65 years and over

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census