QuickFacts

Population per square mile in Cook County, Illinois is

5,495.1

The population of Harris County, Texas is

4,538,028

Population per square mile in Michigan is

174.8

8.1%

of persons in Harris County, Texas are 65 years and over

The population of Harris County, Texas is

4,538,028

15.4%

of persons in Pennsylvania are 65 years and over

Population per square mile in Harris County, Texas is

2,402.4

10.9%

of persons in Los Angeles County, California are 65 years and over

Median household income of California is

$61,818

The population of Illinois is

12,801,539

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates