QuickFacts

28.0%

of persons in Harris County, Texas are under 18 years

28.0%

of persons in Harris County, Texas are under 18 years

24.5%

of persons in Los Angeles County, California are under 18 years

Population per square mile in Harris County, Texas is

2,402.4

Population per square mile in Maricopa County, Arizona is

414.9

11.9%

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

The population of Pennsylvania is

12,784,227

The population of Florida is

20,612,439

Median household income of New York city, New York is

$53,373

Population per square mile in Cook County, Illinois is

5,495.1

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census