QuickFacts

The population of Maricopa County, Arizona is

4,167,947

Population per square mile in Illinois is

231.1

Population per square mile in Harris County, Texas is

2,402.4

The population of Los Angeles County, California is

10,170,292

The population of Harris County, Texas is

4,538,028

12.1%

of persons in New York city, New York are 65 years and over

Population per square mile in Maricopa County, Arizona is

414.9

9.0%

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

12.1%

of persons in Maricopa County, Arizona are 65 years and over

Median household income of New York city, New York is

$53,373

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey