| Election Name: | 1920 Arizona gubernatorial election |
| Country: | Arizona |
| Type: | Presidential |
| Ongoing: | no |
| Previous Election: | 1918 Arizona gubernatorial election |
| Previous Year: | 1918 |
| Next Election: | 1922 Arizona gubernatorial election |
| Next Year: | 1922 |
| Election Date: | November 2, 1920 |
| Image1: | Thomas E Campbell 2.jpg |
| Image Upright: | 0.6 |
| Nominee1: | Thomas E. Campbell |
| Party1: | Republican Party (United States) |
| Popular Vote1: | 37,060 |
| Percentage1: | 54.15% |
| Nominee2: | Mit Simms |
| Party2: | Democratic Party (United States) |
| Popular Vote2: | 31,385 |
| Percentage2: | 45.85% |
| Map Size: | 205px |
| Governor | |
| Before Election: | Thomas E. Campbell |
| Before Party: | Republican Party (United States) |
| After Election: | Thomas E. Campbell |
| After Party: | Republican Party (United States) |
The 1920 Arizona gubernatorial election took place on November 2, 1920, for the post of governor of Arizona. Thomas Campbell won a second term in office, winning a full majority of the popular vote for the first time in three consecutive elections. He beat the sole challenger, Secretary of State Mit Simms. This would be the last office Campbell would win,[1] while Sims would return in the 1930s to win several terms in his old offices of Treasurer and Secretary of State[2]
Thomas Campbell was sworn in for his second term on January 3, 1921.
| County | Thomas E. Campbell Republican | Mit Simms Democratic | Margin | Total votes cast | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| % | % | % | |||||||||||||
| Apache | 728 | 55.24% | 590 | 44.76% | 138 | 10.47% | 1,318 | ||||||||
| Cochise | 5,440 | 54.88% | 4,473 | 45.12% | 967 | 9.75% | 9,913 | ||||||||
| Coconino | 1,315 | 59.69% | 888 | 40.31% | 427 | 19.38% | 2,203 | ||||||||
| Gila | 2,855 | 44.55% | 3,553 | 55.45% | -698 | -10.89% | 6,408 | ||||||||
| Graham | 1,394 | 53.62% | 1,206 | 46.38% | 188 | 7.23% | 2,600 | ||||||||
| Greenlee | 827 | 38.74% | 1,308 | 61.26% | -481 | -22.53% | 2,135 | ||||||||
| Maricopa | 11,273 | 54.88% | 9,268 | 45.12% | 2,005 | 9.76% | 20,541 | ||||||||
| Mohave | 890 | 49.92% | 893 | 50.08% | -3 | -0.17% | 1,783 | ||||||||
| Navajo | 1,081 | 50.80% | 1,047 | 49.20% | 34 | 1.60% | 2,128 | ||||||||
| Pima | 3,556 | 59.81% | 2,389 | 40.19% | 1,167 | 19.63% | 5,945 | ||||||||
| Pinal | 1,491 | 53.06% | 1,319 | 46.94% | 172 | 6.12% | 2,810 | ||||||||
| Santa Cruz | 907 | 56.16% | 708 | 43.84% | 199 | 12.32% | 1,615 | ||||||||
| Yavapai | 3,702 | 60.20% | 2,448 | 39.80% | 1,254 | 20.39% | 6,150 | ||||||||
| Yuma | 1,601 | 55.28% | 1,295 | 44.72% | 306 | 10.57% | 2,896 | ||||||||
| Totals | 37,060 | 54.15% | 31,358 | 45.85% | 5,675 | 8.29% | 68,445 | ||||||||