QuickFacts

26.4%

of persons in Maricopa County, Arizona are under 18 years

Median household income of Ohio is

$49,429

The population of Philadelphia city, Pennsylvania is

1,567,442

9.0%

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

11.9%

of persons in Cook County, Illinois are 65 years and over

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

22.5%

of persons in Philadelphia city, Pennsylvania are under 18 years

Median household income of Ohio is

$49,429

The population of New York city, New York is

8,550,405

The population of Illinois is

12,801,539

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates