U.S. Senate elections in Oregon
● In officeRon WydenDemocraticJeff MerkleyDemocratic
Elections won
R 23 · D 1437 Senate elections since 1914
Last decided by
14.9 pts2022, Wyden Ron over Perkins Jo Rae
Closest ever
0.40 pts1968, Bob Packwood over Wayne Morse
Longest streak
11 in a rowRepublican, 1966–1996
Next election
2026Tuesday, November 3, 2026
Oregon's U.S. Senate seats are held by Democrat Ron Wyden and Democrat Jeff Merkley; Ron won the most recent race by 14.9 points in 2022. Wyden has held one seat since 1998 and Merkley the other since 2008. The 2022 race put Ron ahead of Perkins Jo Rae, 14.9 points clear. Across 37 elections since 1914, Republicans have won 23 and Democrats 14. Of those, the closest was 1968, decided by 0.40 points; the widest 1942, by 54.1 points.
Ron Wyden D 1,105,119 · Mark Callahan R 651,106 · Shanti S. Lewallen W 61,915 · Steven C. Reynolds I 59,516 · +2 more
Jeff Merkley D 814,537 · Monica Wehby R 538,847 · Mike Montchalin L 44,916 · Christina Jean Lugo G 32,434 · +1 more
Ron Wyden D 825,507 · Jim Huffman R 566,199 · Bruce Cronk W 18,940 · Marc Delphine L 16,028 · +1 more
Ron Wyden D 1,128,728 · Al King R 565,254 · Teresa Keane P 43,053 · Dan Fitzgerald L 29,582 · +1 more
Ron Wyden D 682,425 · John Lim R 377,739 · Karyn Moskowitz P 22,024 · Jim Brewster L 18,221 · +2 more
Gordon H. Smith R 677,336 · Tom Bruggere D 624,370 · Brent Thompson Rf 20,381 · Gary Kutcher G 14,193 · +3 more
Bob Packwood R 717,455 · Les Aucoin D 639,851
Mark O. Hatfield R 590,095 · Harry Lonsdale D 507,743
Bob Packwood R 656,317 · Rick Bauman D 375,735
Mark O. Hatfield R 808,152 · Margie Hendriksen D 406,122
Mark O. Hatfield R 550,165 · Vern Cook D 341,616
Mark O. Hatfield R 494,671 · Wayne Morse D 425,036
Bob Packwood R 408,646 · Wayne Morse D 405,353
Mark O. Hatfield R 354,391 · Robert B. Holmes D 330,374
Wayne Morse D 344,716 · Sig Unander R 291,587
Maurine Neuberger D 412,757 · Edgar W. Smith R 343,009
Wayne Morse D 396,849 · Howard Latourette R 335,405
Richard L. Neuberger D 285,775 · Guy Cordon R 283,313
Guy Cordon R 299,295 · Manley J. Wilson D 199,275
Wayne Morse D 269,095 · Edgar W. Smith R 174,140
Charles L. McNary R 214,755 · Walter W. Whitbeck D 63,946
Rufus Holman R 203,120 · Willis Mahoney D 167,135
Charles L. McNary R 199,332 · Willis Mahoney D 193,822 · Albert Streiff I 3,134 · Eric N. Hass S 2,886 · +1 more
Frederick Steiwer R 186,210 · Walter B. Gleason D 137,237 · Joe A. Thomas S 12,266 · F. E. Coulter I 11,859 · +2 more
Charles L. McNary R 137,231 · Elton Watkins D 66,028 · Llewellyn A. Banks I 17,488 · H. H. Stallard I 10,573 · +1 more
Frederick Steiwer R 89,007 · Bert E. Haney D 81,301 · Robert N. Stanfield I 50,246 · W. P. Adams I 3,145
Charles L. McNary R 174,672 · Milton A. Miller D 65,340 · F. E. Coulter P 20,379 · R. Robinson S 4,412
Robert N. Stanfield R 116,696 · George E. Chamberlain D 100,124 · Albert Slaughter S 6,949 · Thomas A. Hayes I 4,456 · +1 more
George E. Chamberlain D 111,748 · R. A. Booch R 88,297 · William Hanley P 26,220 · B. F. Ramp S 10,666 · +1 more