In the Gran Consiglio election, there were a total of 89 registered voters in Sonogno, of which 51 or 57.3% voted. 2 blank ballots were cast, leaving 49 valid ballots in the election. The most popular party was the SSI which received 14 or 28.6% of the vote. The next three most popular parties were; the PPD+GenGiova (with 12 or 24.5%), the LEGA (with 10 or 20.4%) and the PS (with 6 or 12.2%).Elezioni cantonali: Gran Consiglio, Consiglio di Stato accessed 23 November 2010
