QuickFacts

12.5%

of persons in Illinois are 65 years and over

Population per square mile in California is

239.1

Population per square mile in Illinois is

231.1

31.4%

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

13.8%

of persons in Michigan are 65 years and over

23.7%

of persons in Michigan are under 18 years

Median household income of Philadelphia city, Pennsylvania is

$38,253

23.4%

of persons in San Diego County, California are under 18 years

9.0%

of persons in Houston city, Texas are 65 years and over

26.4%

of persons in Maricopa County, Arizona are under 18 years

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census