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United States · Election results history · 1918 Senate · Montana
Election 1918 Results

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1918 US Senate election in Montana

Thomas J. Walsh (Democrat) beat Oscar M. Lanstrum (Republican) in Montana in 1918, 41.1% to 35.8%, a margin of 5.3 points and 5,931 votes.

Democrats led in 24 of the 43 counties as they stood then and Republicans in 16 and other candidates in 3. The largest, Silver Bow, cast 16,262 votes and went to the Democrat by 7.9 points. The closest was Wheatland, where 11 votes separated the top two.

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Early projection, based on early and incomplete polling: the likely matchups, each weighted by the betting markets' odds of both nominations, not a result. Each county is its 2024 presidential margin moved by its state's projected swing; set a national vote and every state, district and county moves by the same amount from our projection. Colours run in 100 steps from a safe Republican to a safe Democratic margin. Boundaries: US Census Bureau.

Senate

CandidatePartyVotesShare
Thomas J. Walsh won Democratic 46,160 41.1%
Oscar M. Lanstrum Republican 40,229 35.8%
Jeannette Rankin National 26,013 23.1%
Total112,402

Every county

CountyDemocratRepublicanOthersTotalMargin
Silver Bow 5,877 36.1% 4,587 28.2% 5,798 16,262 D+7.9
Cascade 3,215 49.9% 2,349 36.4% 884 6,448 D+13.4
Missoula 2,283 38.8% 1,902 32.3% 1,696 5,881 D+6.5
Lewis And Clark 2,381 44.8% 2,554 48.1% 380 5,315 R+3.3
Flathead 1,435 31.9% 1,876 41.7% 1,185 4,496 R+9.8
Deer Lodge 2,123 48.2% 1,340 30.4% 943 4,406 D+17.8
Fergus 2,164 49.6% 1,433 32.8% 770 4,367 D+16.7
Hill 1,832 43.1% 829 19.5% 1,590 4,251 D+23.6
Yellowstone 1,749 42.0% 1,667 40.0% 752 4,168 D+2.0
Gallatin 1,949 50.2% 1,368 35.3% 563 3,880 D+15.0
Sheridan 924 28.2% 1,020 31.1% 1,335 3,279 Others
Teton 1,208 42.8% 1,064 37.7% 548 2,820 D+5.1
Chouteau 1,268 46.9% 693 25.7% 740 2,701 D+21.3
Ravalli 1,011 37.4% 1,091 40.4% 598 2,700 R+3.0
Park 940 39.0% 1,065 44.2% 403 2,408 R+5.2
Carbon 979 40.9% 1,151 48.1% 261 2,391 R+7.2
Valley 664 29.5% 657 29.1% 933 2,254 Others
Custer 836 39.6% 1,051 49.8% 224 2,111 R+10.2
Musselshell 863 41.3% 849 40.6% 379 2,091 D+0.7
Dawson 772 39.6% 840 43.1% 336 1,948 R+3.5
Madison 878 46.2% 733 38.5% 291 1,902 D+7.6
Sanders 805 42.3% 498 26.2% 599 1,902 D+16.1
Beaverhead 762 42.0% 845 46.6% 208 1,815 R+4.6
Powell 757 43.5% 654 37.6% 328 1,739 D+5.9
Lincoln 669 42.1% 564 35.5% 357 1,590 D+6.6
Phillips 403 26.7% 739 48.9% 369 1,511 R+22.2
Jefferson 646 44.3% 536 36.8% 275 1,457 D+7.5
Blaine 618 43.6% 447 31.5% 354 1,419 D+12.1
Broadwater 668 49.9% 472 35.3% 199 1,339 D+14.6
Fallon 408 31.6% 558 43.2% 327 1,293 R+11.6
Richland 409 31.8% 376 29.2% 502 1,287 Others
Toole 525 42.3% 339 27.3% 376 1,240 D+15.0
Rosebud 553 47.5% 488 41.9% 123 1,164 D+5.6
Granite 547 47.9% 432 37.9% 162 1,141 D+10.1
Carter 420 38.5% 494 45.2% 178 1,092 R+6.8
Wheatland 474 44.7% 485 45.8% 101 1,060 R+1.0
Stillwater 412 40.7% 504 49.8% 97 1,013 R+9.1
Mineral 360 42.4% 149 17.6% 340 849 D+24.9
Prairie 237 30.5% 435 56.1% 104 776 R+25.5
Wibaux 239 31.6% 297 39.2% 221 757 R+7.7
Meagher 374 54.8% 271 39.7% 37 682 D+15.1
Sweet Grass 266 41.6% 331 51.8% 42 639 R+10.2
Big Horn 257 46.1% 196 35.1% 105 558 D+10.9

Counties as they stood in 1918; some have since been split, merged or renamed. Margin: the Democrat's share of all votes minus the Republican's. Sources and how the results were checked.

Montana Senate elections we hold

YearWinnerMargin
2024 Tim Sheehy (R) R+7.1
2020 Steve Daines (R) R+10.0
2018 Jon Tester (D) D+3.6
2014 Steve Daines (R) R+17.7
2012 Jon Tester (D) D+3.7
2008 Max Baucus (D) D+45.8
2006 Jon Tester (D) D+0.9
2002 Max Baucus (D) D+31.0
2000 Conrad Burns (R) R+3.3
1996 Max Baucus (D) D+4.9
1994 Conrad R. Burns (R) R+24.7
1990 Max Baucus (D) D+38.7
1988 Conrad Burns (R) R+3.7
1984 Max Baucus (D) D+16.2
1982 John Melcher (D) D+12.8
1978 Max Baucus (D) D+11.4
1976 John Melcher (D) D+28.3
1972 Lee Metcalf (D) D+3.9
1970 Mike Mansfield (D) D+21.1
1966 Lee Metcalf (D) D+6.3
1964 Mike Mansfield (D) D+29.0
1960 Lee Metcalf (D) D+1.5
1958 Mike Mansfield (D) D+52.4
1954 James E. Murray (D) D+0.8
1952 Mike Mansfield (D) D+2.2
1948 James E. Murray (D) D+13.9
1946 Zales N. Ecton (R) R+8.1
1942 James E. Murray (D) D+0.7
1940 Burton K. Wheeler (D) D+46.9
1936 James E. Murray (D) D+27.9
1934 Burton K. Wheeler (D) D+41.4
1930 Thomas J. Walsh (D) D+22.5
1928 Burton K. Wheeler (D) D+6.4
1924 Thomas J. Walsh (D) D+10.4
1922 Burton K. Wheeler (D) D+11.8
1918 Thomas J. Walsh (D) D+5.3
1916 Henry L. Myers (D) D+7.7