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Did You Know

21.6%
of persons in New York city, New York are under 18 years
11.4%
of persons in California are 65 years and over
Population per square mile in Pennsylvania is
283.9
Population per square mile in Philadelphia city, Pennsylvania is
11,379.5
23.7%
of persons in Cook County, Illinois are under 18 years
15.4%
of persons in Pennsylvania are 65 years and over
Population per square mile in San Diego County, California is
735.8
The population of Illinois is
12,801,539
In Maricopa County, Arizona
57.3%
of females 16 years+ are in the civilian labor force
Population per square mile in Illinois is
231.1
Source: 2010 Census
Source: 2010 Census
Source: 2010 Census
Source: 2010 Census
Source: 2010 Census
Source: 2010 Census
Source: 2010 Census
Source: Population Estimates
Source: American Community Survey
Source: 2010 Census