Kocbasi is one of the localities of Ağrı. The neighborhood has a single ballot box, and 5 voters were registered there for the 2015 parliamentary election.
7 people voted at that election. Yeşil Sol Parti took the most votes with 6; MHP followed with 1. Yeşil Sol Parti's share here is 36.0 points above the district average. In the presidential election, 5 of 9 valid votes went to Recep Tayyip Erdoğan; across the district that share was 56.2%. At the 2017 referendum 12 of 14 valid votes were 'yes'; across the district the 'yes' share was 53.8%.
At the 2024 local election the neighborhood went to AK Parti with 6 votes, while Ağrı as a whole was won by DEM Parti.