U.S. Senate elections in Arizona

39 elections · 1914–present · popular vote
Elections won
R 18 · D 2039 Senate elections since 1914
Last decided by
2.4 pts2024, Ruben Gallego over Kari Lake
Closest ever
1.08 pts1980, Barry Goldwater over Bill Schulz
Longest streak
9 in a rowDemocratic, 1926–1950
Next election
2028Tuesday, November 7, 2028

Arizona's U.S. Senate seats are held by Democrat Mark Kelly and Democrat Ruben Gallego; Gallego won the most recent race by 2.4 points in 2024. Kelly has held one seat since 2020 and Gallego the other since 2024. The 2024 race put Gallego ahead of Kari Lake, 2.4 points clear. Across 39 elections since 1914, Republicans have won 18 and Democrats 20. Of those, the closest was 1980, decided by 1.1 points; the widest 2000, by 71.5 points.

John McCain R 1,359,267 · Ann Kirkpatrick D 1,031,245 · Gary Swing G 138,634 · Sydney Dudikoff R 494 · +2 more
Jon Kyl R 1,108,196 · William Toel I 109,230 · Vance Hansen G 108,926 · Barry J. Hess II L 70,724
John McCain R 696,577 · Ed Ranger D 275,224 · John C. Zajac L 23,004 · Bob Park Rf 18,288
John McCain R 771,395 · Claire Sargent D 436,321 · Evan Mecham I 145,361 · Kiana Delamare L 22,613 · +1 more
Barry Goldwater R 432,371 · Bill Schulz D 422,972 · Fred R. Esser L 12,008 · Lorenzo Torrez P 3,608 · +1 more
Dennis Deconcini D 400,334 · Sam Steiger R 321,236 · Bob Field I 10,765 · Allan Norwitz L 7,310 · +1 more
Marcus A. Smith D 25,800 · J. L. Hubbell R 9,183 · Eugene W. Chafin P 7,293 · Bert Davis S 3,582 · +1 more