QuickFacts

10.3%

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

The population of San Diego County, California is

3,299,521

12.1%

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

Population per square mile in Cook County, Illinois is

5,495.1

32.0%

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

10.9%

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

12.1%

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

Population per square mile in Illinois is

231.1

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

12.9%

of persons in North Carolina are 65 years and over

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census