Pinetop–Lakeside is a town in Navajo County, Arizona, United States. According to 2006 Census Bureau estimates, the population of the town is 4,156. It was founded in 1984 when the neighboring towns of Pinetop and Lakeside merged. Pinetop–Lakeside is a popular summer resort and second-home area for Arizona desert residents. In 2002, a large forest fire, the Rodeo-Chediski fire, threatened the town and forced an evacuation.