| Election Name: | 1984 Washington gubernatorial election |
| Country: | Washington |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1980 Washington gubernatorial election |
| Previous Year: | 1980 |
| Next Election: | 1988 Washington gubernatorial election |
| Next Year: | 1988 |
| Election Date: | November 6, 1984 |
| Image1: | File:Booth Gardner.jpg |
| Nominee1: | Booth Gardner |
| Party1: | Democratic Party (United States) |
| Popular Vote1: | 1,006,993 |
| Percentage1: | 53.31% |
| Nominee2: | John Spellman |
| Party2: | Republican Party (United States) |
| Popular Vote2: | 881,994 |
| Percentage2: | 46.69% |
| Governor | |
| Map Size: | 275px |
| Before Election: | John Spellman |
| Before Party: | Republican Party (United States) |
| After Election: | Booth Gardner |
| After Party: | Democratic Party (United States) |
The 1984 Washington gubernatorial election was held on November 6, 1984. Incumbent Republican John Spellman ran for re-election to a second term but was defeated by Democrat Booth Gardner. This is the last time that the Washington Governor's office changed partisan control or that an incumbent Governor of Washington lost a general election.
Booth Gardner is the most recent Democrat to carry Lewis County and Stevens County in a gubernatorial election. Conversely, John Spellman is the last Republican to have won San Juan County.
| County | Booth Gardner Democratic | John Spellman Republican | Margin | Total votes cast | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| % | % | % | |||||||||||||
| Adams | 2,070 | 42.43% | 2,809 | 57.57% | -739 | -15.15% | 4,879 | ||||||||
| Asotin | 3,833 | 53.68% | 3,308 | 46.32% | 525 | 7.35% | 7,141 | ||||||||
| Benton | 20,982 | 44.44% | 26,236 | 55.56% | -5,254 | -11.13% | 47,218 | ||||||||
| Chelan | 8,843 | 42.51% | 11,960 | 57.49% | -3,117 | -14.98% | 20,803 | ||||||||
| Clallam | 12,156 | 50.70% | 11,820 | 49.30% | 336 | 1.40% | 23,976 | ||||||||
| Clark | 46,144 | 59.33% | 31,629 | 40.67% | 14,515 | 18.66% | 77,773 | ||||||||
| Columbia | 935 | 44.69% | 1,157 | 55.31% | -222 | -10.61% | 2,092 | ||||||||
| Cowlitz | 18,770 | 61.90% | 11,553 | 38.10% | 7,217 | 23.80% | 30,323 | ||||||||
| Douglas | 4,398 | 45.07% | 5,361 | 54.93% | -963 | -9.87% | 9,759 | ||||||||
| Ferry | 1,194 | 56.08% | 935 | 43.92% | 259 | 12.17% | 2,129 | ||||||||
| Franklin | 5,761 | 47.96% | 6,250 | 52.04% | -489 | -4.07% | 12,011 | ||||||||
| Garfield | 685 | 48.21% | 736 | 51.79% | -51 | -3.59% | 1,421 | ||||||||
| Grant | 8,917 | 46.55% | 10,238 | 53.45% | -1,321 | 6.90% | 19,155 | ||||||||
| Grays Harbor | 18,752 | 70.73% | 7,761 | 29.27% | 10,991 | 41.46% | 26,513 | ||||||||
| Island | 9,160 | 43.99% | 11,664 | 56.01% | -2,504 | -12.02% | 20,824 | ||||||||
| Jefferson | 4,904 | 53.72% | 4,224 | 46.28% | 680 | 7.45% | 9,128 | ||||||||
| King | 336,878 | 52.35% | 306,605 | 47.65% | 30,273 | 4.70% | 643,483 | ||||||||
| Kitsap | 37,460 | 55.67% | 29,835 | 44.33% | 7,625 | 11.33% | 67,295 | ||||||||
| Kittitas | 6,577 | 59.35% | 4,504 | 40.65% | 2,073 | 18.71% | 11,081 | ||||||||
| Klickitat | 3,797 | 56.61% | 2,910 | 43.39% | 887 | 13.22% | 6,707 | ||||||||
| Lewis | 13,811 | 58.08% | 9,969 | 41.92% | 3,842 | 16.16% | 23,780 | ||||||||
| Lincoln | 2,345 | 44.81% | 2,888 | 55.19% | -543 | -10.38% | 5,233 | ||||||||
| Mason | 9,316 | 58.80% | 6,528 | 41.20% | 2,788 | 17.60% | 15,844 | ||||||||
| Okanogan | 6,357 | 48.31% | 6,802 | 51.69% | -445 | -3.38% | 13,159 | ||||||||
| Pacific | 5,473 | 64.94% | 2,955 | 35.06% | 2,518 | 29.88% | 8,428 | ||||||||
| Pend Oreille | 2,298 | 56.55% | 1,766 | 43.45% | 532 | 13.09% | 4,064 | ||||||||
| Pierce | 112,796 | 58.74% | 79,246 | 41.26% | 33,550 | 17.47% | 192,042 | ||||||||
| San Juan | 2,634 | 48.48% | 2,799 | 51.52% | -165 | -3.04% | 5,433 | ||||||||
| Skagit | 18,457 | 54.95% | 15,130 | 45.05% | 3,327 | 9.91% | 33,587 | ||||||||
| Skamania | 1,934 | 58.43% | 1,376 | 41.57% | 558 | 16.86% | 3,310 | ||||||||
| Snohomish | 84,328 | 52.66% | 75,823 | 47.34% | 8,505 | 5.31% | 160,151 | ||||||||
| Spokane | 74,244 | 49.25% | 76,502 | 50.75% | -2,258 | -1.50% | 150,746 | ||||||||
| Stevens | 6,433 | 50.02% | 6,428 | 49.98% | 5 | 0.04% | 12,861 | ||||||||
| Thurston | 35,501 | 56.85% | 26,950 | 43.15% | 8,551 | 13.69% | 62,451 | ||||||||
| Wahkiakum | 1,078 | 63.52% | 619 | 36.48% | 459 | 27.05% | 1,697 | ||||||||
| Walla Walla | 8,473 | 43.28% | 11,106 | 56.72% | -2,633 | -13.45% | 19,579 | ||||||||
| Whatcom | 30,525 | 60.11% | 20,255 | 39.89% | 10,270 | 20.22% | 50,780 | ||||||||
| Whitman | 7,512 | 44.83% | 9,246 | 55.17% | -1,734 | -10.35% | 16,758 | ||||||||
| Yakima | 31,262 | 47.82% | 34,111 | 52.18% | -2,849 | -4.36% | 65,373 | ||||||||
| Totals | 1,006,993 | 53.31% | 881,994 | 46.69% | 124,999 | 6.62% | 1,888,987 | ||||||||