QuickFacts

Population per square mile in Chicago city, Illinois is

11,841.8

Population per square mile in Houston city, Texas is

3,501.5

The population of Cook County, Illinois is

5,238,216

Median household income of Los Angeles County, California is

$56,196

22.3%

of persons in New York are under 18 years

12.1%

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

14.1%

of persons in Ohio are 65 years and over

Median household income of Maricopa County, Arizona is

$54,229

Median household income of Cook County, Illinois is

$55,251

The population of Florida is

20,612,439

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates