 The next three most popular parties were the SVP (25.8%), the SP (21.0%) and the FDP (9.2%).The CVP improved their position in Châtillon rising to first, from second in 2007 (with 23.8%) The SVP moved from first in 2007 (with 31.8%) to second in 2011, the SPS moved from fourth in 2007 (with 14.7%) to third and the FDP moved from third in 2007 (with 19.7%) to fourth.A total of 153 votes were cast in this election, of which 3 or 2.0% were invalid.