QuickFacts

17.3%

of persons in Florida are 65 years and over

14.1%

of persons in Ohio are 65 years and over

The population of Illinois is

12,801,539

The population of Los Angeles city, California is

3,971,883

Median household income of Los Angeles County, California is

$56,196

Population per square mile in Pennsylvania is

283.9

The population of Cook County, Illinois is

5,238,216

The population of Philadelphia city, Pennsylvania is

1,567,442

Median household income of Florida is

$47,507

Median household income of Maricopa County, Arizona is

$54,229

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey