QuickFacts

12.5%

of persons in Illinois are 65 years and over

25.9%

of persons in Houston city, Texas are under 18 years

24.4%

of persons in Illinois are under 18 years

29.5%

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

Population per square mile in Illinois is

231.1

Population per square mile in Los Angeles County, California is

2,419.6

12.1%

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

12.9%

of persons in North Carolina are 65 years and over

Median household income of New York city, New York is

$53,373

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census