Dedeli-Caybasi ranks 63rd by electorate among the 122 localities of Patnos. The neighborhood has a single ballot box, and 275 voters were registered there for the 2023 parliamentary election.
159 people voted at that election. Yeşil Sol Parti took the most votes with 89; AK Parti followed with 42. Yeşil Sol Parti's share here is 4.6 points above the district average. In the presidential runoff, 69 of 120 valid votes went to Kemal Kılıçdaroğlu; across the district that share was 72.4%.
At the 2024 local election the neighborhood went to DEM Parti with 78 votes, while Patnos as a whole was won by AK Parti. Turnout at the 2024 local election was 89.5%, 21.7 points above the district average.