QuickFacts

The population of Illinois is

12,801,539

11.4%

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

Median household income of Philadelphia city, Pennsylvania is

$38,253

13.8%

of persons in Michigan are 65 years and over

Population per square mile in New York is

411.2

Population per square mile in North Carolina is

196.1

25.9%

of persons in Houston city, Texas are under 18 years

10.3%

of persons in Texas are 65 years and over

12.1%

of persons in New York city, New York are 65 years and over

11.4%

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

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census