QuickFacts

The population of Florida is

20,612,439

The population of Philadelphia city, Pennsylvania is

1,567,442

The population of Pennsylvania is

12,784,227

The population of California is

39,250,017

The population of Harris County, Texas is

4,538,028

21.3%

of persons in Florida are under 18 years

The population of Harris County, Texas is

4,538,028

Population per square mile in North Carolina is

196.1

Population per square mile in Michigan is

174.8

25.9%

of persons in Houston city, Texas are under 18 years

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census