Akcakaynak is one of the localities of Bulanık. The neighborhood has a single ballot box, and 63 voters were registered there for 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; across the district that share was 83.7%. At the 2017 referendum 29 of 41 valid votes were 'yes'; across the district the 'yes' share was 27.9%.
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). Turnout at the 2024 local election was 38.8%, 34.5 points below the district average.