North Dakota House of Representatives seat · current lines
North Dakota Legislative District 9B
1 elections since 2022: Democrats won 0, Republicans 1.
Vacant
2022 election
Nov 8, 2022- Donna Henderson (R) · won56.5%
- Marvin E. Nelson (D) · incumbent37.6%
- Write-ins and other votes (OTH)5.8%
Source: MIT Election Data and Science LabUpdated Oct 2, 2026, 5:14 AM ET
Every election for this seat
1 race since 2022.
| Year | Winner | Runner-up | Won by |
|---|---|---|---|
| 2022 | Donna Henderson (R) | Marvin E. Nelson (D) | 18.9 |
Won by: the winner's lead over the runner-up, in points of the vote. Source: 99chambers results archive (MEDSL, Klarner, state election offices)