Hasancik-Tepebasi is one of the localities of Adıyaman; it had 136 registered voters at the 2011 parliamentary election.
109 people voted at that election. AK Parti took the most votes with 79; MHP followed with 21. AK Parti's share here is 13.2 points above the district average. At the 2010 referendum 107 of 124 valid votes were 'yes' — 11.4 points above the district average.
Turnout at the 2009 local election was 93.0%, 8.0 points above the district average. The picture has not changed since 2009: AK Parti has finished first in all of the last 4 elections.