Oluklu ranks 139th by electorate among the 184 localities of Adıyaman. The neighborhood has a single ballot box, and 101 voters were registered there for the 2023 parliamentary election.
The neighborhood parts ways with the district as a whole. At the 2023 parliamentary election it went to CHP with 68 votes, while across Adıyaman the leading party was AK Parti, with CHP here running 47.6 points above its district average. In the presidential runoff, 93 of 97 valid votes went to Kemal Kılıçdaroğlu — 57.9 points above the district average. At the 2017 referendum 98 of 116 valid votes were 'no' — 48.3 points above the district average.
The neighborhood has stayed on the same line since 2018: CHP has finished first in all of the last 4 elections. Turnout at the 2023 parliamentary election was 97.0%, 16.8 points above the district average. The tightest race came at the 2018 parliamentary election: CHP took 53 votes to Yeşil Sol Parti's 49 — a margin of just 4 votes.