QuickFacts

The population of Cook County, Illinois is

5,238,216

Median household income of Los Angeles County, California is

$56,196

29.5%

of persons 25 years+ in Harris County, Texas have a bachelor's degree or higher

The population of Pennsylvania is

12,784,227

Population per square mile in Cook County, Illinois is

5,495.1

Population per square mile in Los Angeles city, California is

8,092.3

Median household income of Michigan is

$49,576

12.5%

of persons in Illinois are 65 years and over

Population per square mile in Los Angeles County, California is

2,419.6

Population per square mile in San Diego County, California is

735.8

Source: Population Estimates

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census