1980 general · November 4, 1980

1980 Montana election results

Every race on Montana's ballot in the 1980 general election: winners, margins and seats that changed party.

Races129

Changed party32

Unopposed24%31 races

Incumbents defeated12

President

R 1

Race	Winner	Won by	Notes
Montana	Ronald Reagan (R)	24.4

D 1

Race	Winner	Won by	Notes
Montana	Ted Schwinden (D)	10.7

D 1 · R 1

Race	Winner	Won by	Notes
MT-1	Pat Williams (D)	22.9
MT-2	Ronald Marlenee (R)	18.1

D 9 · R 16 · 8 changed party

Race	Winner	Won by	Notes
SD-1	Ed B. Smith (R)	Unopposed
SD-2	Mark Etchart (R)	8.9
SD-3	H. W. Hammond (R)	6.7	FlippedIncumbent lost
SD-8	Roger H. Elliott (R)	19.2	Flipped
SD-10	Bob Brown (R)	Unopposed
SD-12	George McCallum (R)	39.7
SD-13	Jean A. Turnage (R)	Unopposed
SD-16	Joseph P. Mazurek (D)	26.2	Flipped
SD-17	Gary Lee (R)	14.1	Flipped
SD-20	Bill Thomas (D)	Unopposed
SD-21	Harry K. Berg (D)	0.3	FlippedIncumbent lost
SD-24	Harold L. Dover (R)	2.0
SD-26	Donald Ochsner (R)	0.1
SD-27	Larry J. Tveit (R)	6.8	Flipped
SD-29	Carroll Graham (D)	Unopposed
SD-30	Tom Hager (R)	18.7
SD-32	Thomas F. Keating (R)	51.3
SD-33	Bruce D. Crippen (R)	34.0
SD-39	Dorothy Eck (D)	4.3	Flipped
SD-41	Frank W. Hazelbaker (R)	Unopposed
SD-42	Robert Peterson (D)	Unopposed
SD-43	Lawrence C. Stimatz (D)	Unopposed
SD-45	Jack Haffey (D)	Unopposed
SD-49	Jan Johnson (R)	3.7	Flipped
SD-50	Fred Vanvalkenberg (D)	9.8

D 41 · R 59 · 24 changed party