1970 general · November 3, 1970
1970 Montana State Senate election results, district by district
Every Montana State Senate district in the 1970 general election: winners, margins, unopposed seats and seats that changed party.
Seats after the election
Democrats controlled the chamber · 55 seats
After the electionD 30 · R 25
Races21
Changed party2
Unopposed14%3 races
Incumbents defeated2
Every district
D 15 · R 13
| Race | Winner | Won by | Notes |
|---|---|---|---|
| SD-1 | Glen T. Rugg (R) | 23.7 | |
| SD-5 | Robert S. Cotton (D) | 10.7 | |
| SD-8 | Carroll Graham (D) | 20.1 | |
| SD-9 | William R. Lowe · Antoinette Fraser Rosell · Herbert J. Klindt (R) | 1.4 | |
| SD-11 | Earl Moritz (R) | 13.6 | |
| SD-13 | William R. Mackay (R) | 40.0 | |
| SD-14 | Ben H. Stein (R) | 6.4 | |
| SD-15 | Virgil Hanks (D) | 1.5 | |
| SD-17 | Gordon McGowan (D) | 4.4 | |
| SD-18 | William H. Bertsche · P. J. Gilfeather · C. F. Sorensen (D) | 0.7 | |
| SD-19 | David F. James (D) | Unopposed | Flipped |
| SD-20 | W. Gordon McOmber (D) | 0.3 | Flipped |
| SD-21 | Glen L. Drake (R) | 9.7 | Incumbent lost |
| SD-22 | P. J. Keenan (D) | 14.0 | |
| SD-23 | James R. Shea · Leonard E. Vainio (D) | 11.5 | |
| SD-24 | Frank W. Hazelbaker (R) | Unopposed | |
| SD-25 | W. A. Groff (D) | 12.9 | |
| SD-26 | Elmer Flynn · Fred G. Carl (DEM) | 0.8 | Incumbent lost |
| SD-27 | George McCallum (R) | 14.2 | |
| SD-28 | Jean A. Turnage (R) | Unopposed | |
| SD-30 | George Siderius · W. F. Bennett (DEM) | 5.7 |
Montana State Senate
Results are each source's final count; margins are the winner's lead over the runner-up in points of the vote. Source: Harvard Dataverse / Carl Klarner