States in the Senate | Arizona Senators
| CONGRESS | SENATOR | TERM BEGAN | TERM ENDED | COMMENTS |
|---|---|---|---|---|
| Class 1 | ||||
| 62nd-76th | Henry F. Ashurst (D) | Mar. 27, 1912 | Jan. 3, 1941 | |
| 77th-82nd | Ernest W. McFarland (D) | Jan. 3, 1941 | Jan. 3, 1953 | |
| 83rd-88th | Barry M. Goldwater (R) | Jan. 3, 1953 | Jan. 3, 1965 | |
| 89th-94th | Paul J. Fannin (R) | Jan. 3, 1965 | Jan. 3, 1977 | |
| 95th-103rd | Dennis W. DeConcini (D) | Jan. 3, 1977 | Jan. 3, 1995 | |
| 104th-112th | Jon L. Kyl (R) | Jan. 3, 1995 | Jan. 3, 2013 | |
| 113th-115th | Jeff Flake (R) | Jan. 3, 2013 | Jan. 3, 2019 | |
| 116th-118th | Kyrsten Sinema (D, I) | Jan. 3, 2019 | Jan. 3, 2025 | |
| 119th- | Ruben Gallego (D) | Jan. 3, 2025 | Present | |
| Class 3 | ||||
| 62nd-66th | Marcus A. Smith (D) | Mar. 27, 1912 | Mar. 3, 1921 | |
| 67th-69th | Ralph H. Cameron (R) | Mar. 4, 1921 | Mar. 3, 1927 | |
| 70th-90th | Carl T. Hayden (D) | Mar. 4, 1927 | Jan. 3, 1969 | |
| 91st-99th | Barry M. Goldwater (R) | Jan. 3, 1969 | Jan. 3, 1987 | |
| 100th-115th | John S. McCain III (R) | Jan. 3, 1987 | Aug. 25, 2018 | Died |
| 115th | Jon L. Kyl (R) | Sept. 4, 2018 | Dec. 31, 2018 | Appointed |
| 116th | Martha McSally (R) | Jan. 3, 2019 | Dec. 2, 2020 | Appointed |
| 116th- | Mark Kelly (D) | Dec. 2, 2020 | Present | |
