QuickFacts

15.4%

of persons in Pennsylvania are 65 years and over

23.1%

of persons in Chicago city, Illinois are under 18 years

The population of Illinois is

12,801,539

The population of Harris County, Texas is

4,538,028

The population of Florida is

20,612,439

Population per square mile in California is

239.1

9.0%

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

Median household income of Los Angeles city, California is

$50,205

13.8%

of persons in Michigan are 65 years and over

Median household income of California is

$61,818

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey