QuickFacts

12.1%

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

10.9%

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

12.5%

of persons in Illinois are 65 years and over

The population of Chicago city, Illinois is

2,720,546

The population of Maricopa County, Arizona is

4,167,947

The population of Philadelphia city, Pennsylvania is

1,567,442

The population of Philadelphia city, Pennsylvania is

1,567,442

21.6%

of persons in New York city, New York are under 18 years

35.6%

of persons 25 years+ in Chicago city, Illinois have a bachelor's degree or higher

12.1%

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

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census