Executive authority is vested in the mayor of Hawaii County, who is elected for a four-year term. Since 2004, the election by the voters has been on a nonpartisan basis. In 2020, Mitch Roth was elected mayor, succeeding Harry Kim, who lost reelection after being defeated in the primary election. Legislative authority is vested in a nine-member County Council. Members of the County Council are elected on a nonpartisan basis to two-year terms from single-member districts. As of December 2016, Hawaii County Council has a female supermajority for the first time, with six women and three men.