Collins won the Democratic nomination for State Representative on May 22, 2018, defeating Annie Depper, 69 percent to 31 percent.[1]
He was elected in the general election on November 6, 2018, winning 60 percent of the vote over 38 percent for Republican nominee Judith Goodson and 2 percent for Libertarian William J. Barger.[2]
Collins was unopposed for re-election in 2020.[3] Following the 2020 elections, Collins was redistricted to the 73rd district. He won his first election in the 73rd district in the 2022 election, where he received 58.98% of the vote against Republican challenger John Wickliffe.[4] He is running unopposed in the 2024 elections.