QuickFacts

12.5%

of persons in Illinois are 65 years and over

Population per square mile in Florida is

350.6

The population of San Diego County, California is

3,299,521

13.8%

of persons in Michigan are 65 years and over

23.7%

of persons in Cook County, Illinois are under 18 years

Median household income of Los Angeles city, California is

$50,205

Population per square mile in North Carolina is

196.1

Median household income of Philadelphia city, Pennsylvania is

$38,253

11.4%

of persons in San Diego County, California are 65 years and over

23.7%

of persons in Cook County, Illinois are under 18 years

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census