QuickFacts

Population per square mile in San Diego County, California is

735.8

29.5%

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

12.1%

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

The population of Los Angeles city, California is

3,971,883

The population of Maricopa County, Arizona is

4,167,947

15.4%

of persons in Pennsylvania are 65 years and over

The population of Ohio is

11,614,373

Population per square mile in Pennsylvania is

283.9

12.1%

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

10.9%

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

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census