QuickFacts

24.5%

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

Population per square mile in Illinois is

231.1

Population per square mile in Maricopa County, Arizona is

414.9

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

The population of Houston city, Texas is

2,296,224

28.6%

of persons 25 years+ in Pennsylvania have a bachelor's degree or higher

Population per square mile in Texas is

96.3

23.9%

of persons in North Carolina are under 18 years

24.5%

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

11.4%

of persons in San Diego County, California are 65 years and over

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census