Gibsonton is an unincorporated census-designated place in Hillsborough County, Florida, United States. The population was 14,234 at the 2010 census. Gibsonton was famous as a sideshow wintering town, where various people in the carnival business would spend the off season placing it near the winter home for Ringling Brothers Circus at Tampa, Sarasota and Venice in various timeshttp://www. sarasotacircushistory. com/articles/circusinvenice. php.