1970Final resultsIncumbent defeated
1970 election for North Dakota Legislative District 18
North Dakota House of Representatives · North Dakota
2 seats: I. O. Hensrud (R), Kenneth Tweten (R) won.
2 seatsI. O. HensrudRepublican · winner · incumbent
14.5%7,047
Kenneth TwetenRepublican · winner · incumbent
13.3%6,452
Earl StrindenRepublican · incumbent
13.1%6,363
A. L. UlvedahlRepublican
13.1%6,355
Art RaymondRepublican
12.8%6,205
Grace StoneRepublican · incumbent
12.2%5,930
William F. OtooleDemocrat
9.0%4,353
Michael MullenDemocrat
7.7%3,749
Mark M. ThorntonOther party
4.3%2,099
48,553 votes
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET
The seat over time
D − R margin in this seat's races around 1970
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET
The candidates
I. O. Hensrud (R)Kenneth Tweten (R)Earl Strinden (R)A. L. Ulvedahl (R)Art Raymond (R)Grace Stone (R)William F. Otoole (D)Michael Mullen (D)
Also on the ballot: Mark M. Thornton (Other party), 4.3%