The Elected Officials of Marshville, including the Mayor and five Town Council Members, are elected in non-partisan, at-large municipal elections. Voting is open to registered voters living within the incorporated limits of Marshville. The Mayor is elected by the people and serves a two-year term. Town Council Members serve staggered, four years terms.
Marshville uses the "Council-Manager" form of government. The governing board, known in Marshville as the Town Council, serves as the legislative body for the town. The Town Manager serves as the administrative body for the town.