QuickFacts

Population per square mile in California is

239.1

Population per square mile in Harris County, Texas is

2,402.4

12.1%

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

Median household income of San Diego County, California is

$63,996

15.4%

of persons in Pennsylvania are 65 years and over

12.9%

of persons in North Carolina are 65 years and over

23.7%

of persons in Michigan are under 18 years

Median household income of Los Angeles County, California is

$55,870

Median household income of San Diego County, California is

$63,996

31.0%

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

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey