Demographics & Research

Population Data

Historical Population

In the last 10 years, the population of Polk County increased by 118,000, the largest number of people added in any 10-year period in Polk’s history. (Source: U.S. Census)

Population of Municipalities in Polk County

There are 17 municipalities in Polk County, the largest of which is Lakeland. The population in the unincorporated areas is presently estimated at 375,647. (Source: U.S. Census Bureau and the University of Florida’s Bureau of Economic & Business Research)

Population by Age

Population by Race

Over the last ten years, population growth has been led by the Hispanic demographic, which added 49,000 new persons and more than doubled in size from 2002-2012.  The Asian population also more than doubled, but remains small, with just under 10,000 persons.  By comparison, the White population grew by 28,000 and the Black population grew by 14,000. (Source: U.S. Census Bureau)

Estimated Median Age in Polk County