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Election 1958 Results

Each election opens in its own mode: the forecast before the votes are counted, the live count while races are still too close to call, and the results once every race is decided.

1958 Senate election results by state and county

Democrats won 24 of the seats up and gained a dozen states in a recession midterm, one of the largest Senate gains for either party in the century.

34 Senate races were held in 1958, plus 2 special elections. Democrats won 26 and Republicans 8.

The closest were Wyoming (D+1.7), Maryland (R+2.0) and New York (R+2.4). 12 seats changed party: California to the Democrats, Connecticut to the Democrats, Indiana to the Democrats, Maine to the Democrats, Michigan to the Democrats, Minnesota to the Democrats, Nevada to the Democrats, New Jersey to the Democrats, Ohio to the Democrats, Utah to the Democrats, Wisconsin to the Democrats and Wyoming to the Democrats.

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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.

About the 1958 Senate elections

A sharp recession, the shock of Sputnik and a scandal involving Eisenhower's chief of staff Sherman Adams all weighed on Republicans in 1958. Democrats won 24 Senate races to the Republicans' 8 and gained seats in Connecticut, Indiana, Maine, Michigan, Minnesota, Nevada, New Jersey, Ohio, Utah, Wisconsin and Wyoming. Alaska, admitted as a state, elected two Democrats as well. The result gave Democrats a majority of nearly two to one. In Ohio, Stephen Young beat John Bricker after Republicans backed a right-to-work measure that brought out union voters. Eugene McCarthy unseated Edward Thye in Minnesota, Edmund Muskie became the first Democrat popularly elected to the Senate from Maine, and Frank Moss beat Arthur Watkins in Utah. Gale McGee won Wyoming by 1.7 points. Republicans held a few big states. Kenneth Keating won New York by 2.4 points, and Hugh Scott won Pennsylvania by 2.8 points. Barry Goldwater was re-elected in Arizona. The large class of Northern liberal Democrats elected that year later helped pass the civil rights laws of the 1960s.

Every race

StateDemocratVotesRepublicanVotesOthersMargin
Alaska Bob Bartlett40,939 (83.8%) R. E. Robertson7,299 (14.9%) 599 D+68.9
Alaska Ernest Gruening26,045 (52.6%) Mike Stepovich23,464 (47.4%) D+5.2
Alaska: First Senate election after statehood, held November 25, 1958.
Arizona Ernest McFarland129,030 (43.9%) Barry Goldwater164,593 (56.1%) R+12.1
California flip Clair Engle2,927,693 (57.0%) Goodwin Knight2,204,337 (42.9%) 3,191 D+14.1
Connecticut flip Thomas J. Dodd554,841 (57.5%) William A. Purtell410,622 (42.5%) D+14.9
Delaware Elbert N. Carvel72,152 (46.7%) John Williams82,280 (53.3%) R+6.6
Florida Spessard L. Holland386,113 (71.2%) Leland Hyzer155,956 (28.8%) D+42.5
Indiana flip R. Vance Hartke973,636 (56.5%) Harold W. Handley731,635 (42.4%) 19,327 D+14.0
Maine flip Ed Muskie172,842 (60.8%) Frederick Payne111,522 (39.2%) D+21.6
Maryland Thomas D'Alesandro Jr.367,270 (49.0%) J. Glenn Beall Sr.382,021 (51.0%) R+2.0
Massachusetts John F. Kennedy1,362,926 (73.2%) Vincent J. Celeste488,318 (26.2%) 10,797 D+47.0
Michigan flip Philip A. Hart1,216,966 (53.6%) Charles Potter1,046,963 (46.1%) 7,715 D+7.5
Minnesota flip Eugene McCarthy608,847 (52.9%) Edward J. Thye536,629 (46.6%) 5,407 D+6.3
Mississippi John C. Stennis61,039 (100.0%) none D+100.0
Missouri Stuart Symington780,083 (66.5%) Hazel Palmer393,847 (33.5%) D+32.9
Montana Mike Mansfield174,910 (76.2%) Lou W. Welch54,573 (23.8%) D+52.4
Nebraska Frank B. Morrison185,152 (44.4%) Roman Hruska232,227 (55.6%) R+11.3
Nevada flip Howard Cannon48,732 (57.7%) George Malone35,760 (42.3%) D+15.4
New Jersey flip Harrison Williams Jr.966,832 (51.4%) Robert W. Kean882,287 (46.9%) 32,210 D+4.5
New Mexico Dennis Chavez127,496 (62.7%) Forrest S. Atchley75,827 (37.3%) D+25.4
New York Frank S. Hogan2,709,950 (48.4%) Kenneth Keating2,842,942 (50.7%) 49,087 R+2.4
North Carolina (special) B. Everett Jordan431,492 (70.0%) Richard C. Clarke Jr.184,977 (30.0%) D+40.0
North Dakota Raymond Vendsel84,892 (41.5%) William Langer117,070 (57.2%) 2,673 R+15.7
Ohio flip Stephen M. Young1,652,211 (52.5%) John W. Bricker1,497,199 (47.5%) D+4.9
Pennsylvania George M. Leader1,929,821 (48.4%) Hugh Scott2,042,586 (51.2%) 16,215 R+2.8
Rhode Island John O. Pastore222,166 (64.5%) Bayard Ewing122,353 (35.5%) D+29.0
Tennessee Al Gore Sr.317,324 (79.0%) Hobart F. Atkins76,371 (19.0%) 7,971 D+60.0
Texas Ralph Yarborough587,030 (74.6%) Roy Whittenburg185,926 (23.6%) 14,172 D+51.0
Utah flip Frank E. Moss112,827 (38.7%) Arthur V. Watkins101,471 (34.8%) J. Bracken Lee (Independent) 77,013 (26.4%)
D+3.9
Vermont Frederick J. Fayette59,536 (47.8%) Winston L. Prouty64,900 (52.2%) 6 R+4.3
Virginia Harry F. Byrd Sr.317,221 (69.3%) none Louise Wensel (Independent) 120,224 (26.3%)
D+69.3
Washington Scoop Jackson597,040 (67.3%) William Bantz278,271 (31.4%) 11,511 D+36.0
West Virginia Robert C. Byrd381,745 (59.2%) Chapman Revercomb263,172 (40.8%) D+18.4
West Virginia (special) Jennings Randolph374,167 (59.3%) John Hoblitzell Jr.256,510 (40.7%) D+18.7
Wisconsin flip William Proxmire682,440 (57.1%) Roland J. Steinle510,398 (42.7%) 1,840 D+14.4
Wyoming flip Gale McGee58,035 (50.8%) Frank A. Barrett56,122 (49.2%) D+1.7

Margin: the Democrat's share of all votes minus the Republican's. Margins are Democrat minus Republican, of all votes. Certified results, from the states' own archives, the MIT Election Data and Science Lab, Heideman (2026) and Algara & Amlani (2021). By county: "As they were" draws each county as it stood on election day; "Today's" shares the old votes among today's counties by area. County boundaries: Newberry Library, Atlas of Historical County Boundaries (CC BY-NC-SA 2.5). How these results were checked.

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