QuickFacts

Population per square mile in Illinois is

231.1

23.4%

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

Population per square mile in Florida is

350.6

12.1%

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

The population of New York city, New York is

8,550,405

The population of Chicago city, Illinois is

2,720,546

Population per square mile in Illinois is

231.1

Median household income of San Diego County, California is

$64,309

30.3%

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

The population of Harris County, Texas is

4,538,028

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates