QuickFacts

The population of Maricopa County, Arizona is

4,087,191

Population per square mile in San Diego County, California is

735.8

The population of Pennsylvania is

12,802,503

12.1%

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

Median household income of Houston city, Texas is

$45,728

11.4%

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

30.0%

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

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

The population of San Diego County, California is

3,263,431

Population per square mile in New York city, New York is

27,012.5

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census