Sumbullu is one of the localities of Kahramanmaras Merkez; it had 4,254 registered voters at the 2011 parliamentary election.
AK Parti took 84.0% in the neighborhood at that election. Across Kahramanmaras Merkez the same party stood at 80.3%, putting the neighborhood 3.7 points above the district average. At the 2010 referendum 94.2% of the neighborhood voted 'yes'; across the district that was 89.4%.
The picture has not changed since 2009: AK Parti has finished first in all of the last 4 elections. Turnout at the 2009 local election was 91.6%, 7.5 points above the district average.