Guzeltepe is one of the localities of Muş; it had 1,522 registered voters at the 2018 parliamentary election.
The village parts ways with the district as a whole. At the 2018 parliamentary election it went to Yeşil Sol Parti with 51.1%, while across Muş the leading party was AK Parti, with Yeşil Sol Parti here running 10.7 points above its district average. The same divide shows in the presidential election: Selahattin Demirtaş took 48.8% here, 9.7 points above the district average. At the 2017 referendum 65.4% of the village voted 'yes' — 0.7 points above the district average.
At the 2018 parliamentary election 67 of 1,092 ballots cast were ruled invalid (6.1%), well above the district average. Yeşil Sol Parti stood at 71.7% at the 2015 parliamentary election and fell to 51.1% by 2018. Turnout at the 2018 parliamentary election was 71.7%, 9.6 points below the district average.