Akcakaynak is one of the localities of Bulanık; it had 63 registered voters at the 2015 parliamentary election.
50 people voted at that election. Yeşil Sol Parti took the most votes with 44; AK Parti followed with 4. Yeşil Sol Parti's share here is 2.9 points above the district average. In the presidential election, 50 of 52 valid votes went to Selahattin Demirtaş — 12.4 points above the district average. At the 2017 referendum 29 of 41 valid votes were 'yes' — 42.8 points above the district average.
Turnout at the 2024 local election was 38.8%, 34.5 points below the district average. The tightest race came at the 2014 local election: BDP took 17 votes to AK Parti's 16 — a margin of just 1 vote. The neighborhood has stayed on the same line since 2014: the same political line has finished first in all of the last 5 elections (BDP in 2014, Yeşil Sol Parti in 2015, HDP in 2019, DEM Parti in 2024).