Sumbullu is one of the localities of Kahramanmaras Merkez; it had 4,254 registered voters at the 2011 parliamentary election.
AK Parti took 3,358 of the 4,000 valid votes cast in the neighborhood at that election (84.0%). That puts the neighborhood 3.7 points above the party's district average. At the 2010 referendum 94.2% of the neighborhood voted 'yes' — 4.8 points above the district average.
Turnout at the 2009 local election was 91.6%, 7.5 points above the district average. The picture has not changed since 2009: AK Parti has finished first in all of the last 4 elections.