QuickFacts

Population per square mile in Maricopa County, Arizona is

414.9

25.9%

of persons in Houston city, Texas are under 18 years

The population of Cook County, Illinois is

5,246,456

The population of Ohio is

11,613,423

The population of San Diego County, California is

3,263,431

Population per square mile in Harris County, Texas is

2,402.4

12.1%

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

23.7%

of persons in Ohio are under 18 years

In Los Angeles city, California

59.5%

of females 16 years+ are in the civilian labor force

Median household income of Chicago city, Illinois is

$47,831

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey