Chipley is a city in Washington County, Florida, United States. Its population was 3,592 at the time of the 2000 U.S. Census. According to the United States Census Bureau estimates of 2005, the city had a population of about 3,682. http://www. census. gov/popest/cities/tables/SUB-EST2005-04-12. csv Chipley is the county seat of Washington County, Florida.