With 31 voters on the roll at the 2023 parliamentary election, Selcuklu stands 180th among the 183 localities of Şahinbey, and its votes were cast at one ballot box.
37 people voted at that election. AK Parti took the most votes with 14; CHP followed with 8. AK Parti's share here is 6.1 points below the district average. In the presidential runoff, 22 of 33 valid votes went to Recep Tayyip Erdoğan — 4.7 points above the district average.
The tightest race came at the 2023 parliamentary election: AK Parti took 14 votes to CHP's 8 — a margin of just 6 votes. The picture has not changed since 2023: AK Parti has finished first in all of the last 4 elections. Turnout at the 2024 local election was 87.3%, 19.7 points above the district average.