Dereyurt ranks 108th by electorate among the 145 localities of Muş. The neighborhood has a single ballot box, and 196 voters were registered there for the 2023 parliamentary election.
141 people voted at that election. Yeşil Sol Parti took the most votes with 103; AK Parti followed with 20. Yeşil Sol Parti's share here is 35.4 points above the district average. In the presidential runoff, 104 of 130 valid votes went to Kemal Kılıçdaroğlu — 33.7 points above the district average. At the 2017 referendum 164 of 219 valid votes were 'no' — 39.5 points above the district average.
The neighborhood has stayed on the same line since 2014: the same political line has finished first in all of the last 7 elections (BDP in 2014, Yeşil Sol Parti in 2015, HDP in 2019, DEM Parti in 2024). Turnout at the 2024 local election was 46.2%, 25.3 points below the district average. The electorate shrank from 281 registered voters in 2011 to 196 in 2023 — a change of about 30 percent.