Onyonka defected to the ODM prior to the 2013 general elections, in which the PDP nominated 22 candidates. It received 0.8% of the vote, again winning a single seat;[4] Onyango K'Oyoo in Muhoroni Constituency. And also 1 seat in governorship in migori County by John Obadi who defected to ODM in 2017 and won.