Hawaii House of Representatives seat · lines in effect since 2022

Hawaii House District 20

A district of about 23,000 people, 54% Asian, 49% of adults with a bachelor's degree. It votes D+41.8 relative to the nation for president.

Where it sits among all 51 seats

Every Hawaii House of Representatives seat by partisan lean, from most Democratic to most Republican. Lean is the seat's presidential vote on current lines, relative to the nation.

D+41.85th most
Democratic
Most DemocraticMost Republican26th seat · the majority lineDistrict 20

Source: 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET

Every race on these lines

Results recomputed from precinct returns as if today's boundaries had always existed, so years compare like for like.

202220242026
U.S. SenateNo raceD+46.3No race
Hawaii House of RepresentativesD+49.4D+38.4D+48.6

Outlined: the race for this seat itselfBlank: no race that year

Source: 99chambers results archive: precinct results allocated to current lines; 2026: Hawaii Office of ElectionsUpdated Nov 7, 2026, 3:01 PM ET

Who lives here, compared

Grey bars show the spread of all 51 seats. Small marks are other seats in Hawaii. The black marker is District 20.

Adults with a bachelor's degree49% 88th pct · 7th of 51 in HI

Higher than 88% of seats.

White adults without a degree7% 34th pct · 34th of 51 in HI

Lower than 66% of seats.

Hispanic residents5% 6th pct · 48th of 51 in HI

Lower than 94% of seats.

Black residents1% 24th pct · 39th of 51 in HI

Lower than 76% of seats.

Asian residents54% 84th pct · 9th of 51 in HI

Higher than 84% of seats.

People per square mile1,079 50th pct · 26th of 51 in HI

Denser than 50% of seats.

Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET

Who has held it

These lines took effect in 2022.

  1. Tina Nakada Grandinetti (D)
    2025– · Won 2024 by 38.4
  2. Bertrand Kobayashi (D)
    2023–2025 · Won 2022 by 49.4

Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)