 The next three most popular parties were the Ticino League (20.17%), the CVP (15.23%) and the SP (14.81%).In the federal election, a total of 92 votes were cast, and the voter turnout was 56.1%.In the "Gran Consiglio" election, there were a total of 170 registered voters in Mairengo, of which 117 or 68.8% voted.