QuickFacts

12.1%

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

23.1%

of persons in Los Angeles city, California are under 18 years

30.3%

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

11.9%

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

Population per square mile in Maricopa County, Arizona is

414.9

32.3%

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

Population per square mile in Illinois is

231.1

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

27,012.5

Population per square mile in Harris County, Texas is

2,402.4

Population per square mile in Texas is

96.3

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census