 The next three most popular parties were the Ticino League (22.26%), the SP (18.32%) and the FDP (18.15%).In the federal election, a total of 666 votes were cast, and the voter turnout was 49.9%.In the "Gran Consiglio" election, there were a total of 1,333 registered voters in Sonvico, of which 848 or 63.6% voted.