 His prior political experience includes serving as a representative in the Iowa House from 1987 to 1995, serving as the Mason City Superintendent of Recreation from 1973 to 1979, and serving on the Coralville City Council from 1979 to 1986.Dvorsky was re-elected in 2006 with 19,027 votes, running unopposed.Dvorsky announced his retirement in 2018 and was succeeded by activist Zach Wahls, a fellow Democrat.