With 104 voters on the roll at the 2023 parliamentary election, Koseler stands 96th among the 122 localities of Patnos, and its votes were cast at one ballot box.
83 people voted at that election. Yeşil Sol Parti took the most votes with 66; AK Parti followed with 7. Yeşil Sol Parti's share here is 28.4 points above the district average. In the presidential runoff, 57 of 77 valid votes went to Kemal Kılıçdaroğlu — 1.6 points above the district average. At the 2017 referendum 57 of 74 valid votes were 'no' — 11.6 points above the district average.
Turnout at the 2023 parliamentary election was 79.8%, 11.1 points above the district average. First place has changed hands 5 times here since 2009. The tightest race came at the 2024 local election: Yeniden Refah took 34 votes to DEM Parti's 25 — a margin of just 9 votes. At the 2024 local election the neighborhood went to Yeniden Refah with 34 votes, while Patnos as a whole was won by AK Parti.