In the past six days, about 3,100 voters statewide were notified that their mail-in ballots were remain unopened.
In the at-large contest, early printouts kept candidates on edge until final statewide results solidified the winners.
Hawaii’s all-Democrat, four-member congressional delegation will move up in seniority after many Republicans lost their seats.
Along with electing Mel Rapozo as mayor, Kauai voters chose seven council members and approved a charter amendment on the planning commission appeals process.
Maui County’s final election results put Pā‘ele Kiakona at 41% of the vote, edging out Democrat Sne Patel by just 107 votes.