With 34 voters on the roll at the 2023 parliamentary election, Derekoy stands 78th among the 85 localities of Tutak, and its votes were cast at one ballot box.
The neighborhood parts ways with the district as a whole. At the 2023 parliamentary election it went to AK Parti with 20 votes, while across Tutak the leading party was Yeşil Sol Parti, with AK Parti here running 39.0 points above its district average. In the presidential runoff, 29 of 32 valid votes went to Recep Tayyip Erdoğan — 48.9 points above the district average. At the 2017 referendum 39 of 39 valid votes were 'yes' — 43.5 points above the district average.
The tightest race came at the 2015 parliamentary election: Yeşil Sol Parti took 22 votes to AK Parti's 11 — a margin of just 11 votes. At the 2024 local election the neighborhood went to CHP with 28 votes, while Tutak as a whole was won by DEM Parti. Turnout at the 2024 local election was 94.3%, 20.5 points above the district average. First place has changed hands 5 times here since 2009.