QuickFacts

The population of Maricopa County, Arizona is

4,087,191

The population of Illinois is

12,859,995

23.7%

of persons in Cook County, Illinois are under 18 years

Population per square mile in Houston city, Texas is

3,501.5

Population per square mile in Florida is

350.6

9.0%

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

Median household income of New York is

$58,687

The population of Harris County, Texas is

4,441,370

Population per square mile in North Carolina is

196.1

23.7%

of persons in Michigan are under 18 years

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census