QuickFacts

28.0%

of persons in Harris County, Texas are under 18 years

Population per square mile in Ohio is

282.3

9.0%

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

Population per square mile in Illinois is

231.1

Population per square mile in New York city, New York is

27,012.5

9.0%

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

The population of Maricopa County, Arizona is

4,167,947

13.8%

of persons in Michigan are 65 years and over

The population of North Carolina is

10,146,788

24.5%

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

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census