In this historic turnout, the president’s supporters turned out in larger numbers but not enough to influence state elections.
Calls for more voter centers were unheeded in the past year.
Voters also chose County Council members and decided the fate of numerous charter amendments.
Keli’i Akina was in a tight race to keep his at-large seat, and Keola Lindsey led the race for the Hawaii island seat.
A fresh crop of younger lawmakers — all of them Democrats — won legislative seats.
Honolulu will have five new City Council members on Jan. 2.
This will be the first time since 1988 that the beleaguered office was not held by either Peter Carlisle or Keith Kaneshiro.
With the majority of votes counted, the results show Oahu voters favored former Hawaii News Now general manager Rick Blangiardi.
The former Kauai mayor is likely to join at least three council incumbents.