Hawaii State Senate seat · lines in effect since 2022
Hawaii Senate District 19
A district of about 48,000 people, 62% Asian, 24% of adults with a bachelor's degree. It votes D+8.6 relative to the nation for president.
2022 election
Nov 8, 2022- Henry J. C. Aquino (D) · won
Unopposed.
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET
Where it sits among all 25 seats
Every Hawaii State Senate seat by partisan lean, from most Democratic to most Republican. Lean is the seat's presidential vote on current lines, relative to the nation.
Democratic
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 election for this seat
14 races since 1982; the seat changed party 3 times. District numbers are redrawn after each census: each group is one set of lines.
| Year | Winner | Runner-up | Won by |
|---|---|---|---|
| Lines first used in 2022 | |||
| 2022 | Henry J. C. Aquino (D) | — | Unopposed |
| Lines first used in 2012 | |||
| 2020 | Kurt Fevella (R) | Rida Cabanilla Arakawa (D) | 16.7 |
| 2018 | No winner recorded | Kurt Fevella (R) | — |
| 2018 special | Kurt Fevella (R)Flip | Matthew S. Lopresti (D) | 1.0 |
| 2016 | Will Espero (D) | Kurt Fevella (R) | 23.2 |
| 2012 | Will Espero (D) | — | Unopposed |
| Lines first used in 2002 | |||
| 2010 | Mike Gabbard (D)Flip | Aaron Toa Bonar (R) | 48.7 |
| 2006 | Mike Gabbard (R)Flip | George S. Yamamoto (D) | 11.9 |
| 2002 | Brian Kanno (D) | Gerald K. Nakata (R) | 30.0 |
| Lines first used in 1992 | |||
| 1998 | Calvin Kawamoto (D) | Li Zhao (I) | 85.1 |
| 1994 | Calvin Kawamoto (D) | — | Unopposed |
| Lines first used in 1982 | |||
| 1990 | Dennis M. Nakasato (D) | — | Unopposed |
| 1986 | Dennis M. Nakasato (D) | — | Unopposed |
| 1982 | James Aki (D) | — | Unopposed |
Won by: the winner's lead over the runner-up, in points of the vote. Source: 99chambers results archive (MEDSL, Klarner, state election offices)
Districts that overlap District 19
The state's districts in other chambers that share residents with this one, and the share of District 19's area in each.
- U.S. House
- HI-1 100%
Every race on these lines
Results recomputed from precinct returns as if today's boundaries had always existed, so years compare like for like.
| 2024 | |
|---|---|
| President | D+9.9 |
| U.S. Senate | D+29.2 |
Outlined: the race for this seat itselfBlank: no race that year
Source: 99chambers results archive: precinct results allocated to current lines; 2026: civicAPIUpdated Nov 8, 2026, 7:01 PM ET
Who lives here, compared
Grey bars show the spread of all 25 seats. Small marks are other seats in Hawaii. The black marker is District 19.
Lower than 92% of seats.
Lowest of 25 seats.
Lower than 71% of seats.
Lower than 62% of seats.
Highest of 25 seats.
Denser than 92% of seats.
Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET
Seats most like this one
Nearest seats on demographics, density and lean.
District 1428% college gradsD+20.2Held DDistrict 18
36% college gradsD+16.5Not up in 2026District 17
36% college gradsD+17.8Held DDistrict 5
28% college gradsD+27.1Held D
Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current lines; 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