| Election Name: | 1884 United States presidential election in Oregon |
| Country: | Oregon |
| Flag Year: | 1872 |
| Previous Election: | 1880 United States presidential election in Oregon |
| Previous Year: | 1880 |
| Next Election: | 1888 United States presidential election in Oregon |
| Next Year: | 1888 |
| Election Date: | November 4, 1884 |
| Type: | presidential |
| Ongoing: | no |
| Image1: | Unsuccessful 1884.jpg |
| Nominee1: | James G. Blaine |
| Party1: | Republican Party (United States) |
| Home State1: | Maine |
| Running Mate1: | John A. Logan |
| Electoral Vote1: | 3 |
| Popular Vote1: | 26,680 |
| Percentage1: | 50.99% |
| Nominee2: | Grover Cleveland |
| Party2: | Democratic Party (United States) |
| Home State2: | New York |
| Running Mate2: | Thomas A. Hendricks |
| Electoral Vote2: | 0 |
| Popular Vote2: | 24,604 |
| Percentage2: | 46.70% |
| Map Size: | 375px |
| President | |
| Before Election: | Chester A. Arthur |
| Before Party: | Republican Party (United States) |
| After Election: | Grover Cleveland |
| After Party: | Democratic Party (United States) |
The 1884 United States presidential election in Oregon took place on November 4, 1884. All contemporary 38 states were part of the 1884 United States presidential election. Voters chose three electors to the Electoral College, which selected the president and vice president.
Oregon was won by Secretary of State James G. Blaine (R-Maine), running with Senator John A. Logan, with 50.99% of the vote, against Grover Cleveland, the 28th governor of New York, (D–New York), running with the former governor of Indiana Thomas A. Hendricks, with 46.70% of the popular vote. Blaine won the state by a narrow margin of 4.29%.
The Greenback and Anti-Monopoly Parties both chose major general and former governor of Massachusetts Benjamin Butler and Absolom M. West, an unseated Mississippi representative, received 1.38% of the popular vote.
The Prohibition party chose the 8th Governor of Kansas, John St. John and Maryland State Representative William Daniel, received 0.93% of the popular vote.
| County | James Gillespie Blaine[1] Republican | Stephen Grover Cleveland Democratic | Various candidates Other parties | Margin | Total votes cast | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| % | % | % | % | ||||||||||||||||
| Baker | 810 | 45.15% | 966 | 53.85% | 18 | 1.00% | -156 | -8.70% | 1,794 | ||||||||||
| Benton | 982 | 47.46% | 966 | 46.69% | 121 | 5.85% | 16 | 0.77% | 2,069 | ||||||||||
| Clackamas | 1,381 | 55.31% | 1,015 | 40.65% | 101 | 4.04% | 366 | 14.66% | 2,497 | ||||||||||
| Clatsop | 872 | 56.22% | 670 | 43.20% | 9 | 0.58% | 202 | 13.02% | 1,551 | ||||||||||
| Columbia | 451 | 59.03% | 296 | 38.74% | 17 | 2.23% | 155 | 20.29% | 764 | ||||||||||
| Coos | 758 | 52.38% | 638 | 44.09% | 51 | 3.52% | 120 | 8.29% | 1,447 | ||||||||||
| Crook | 315 | 42.28% | 426 | 57.18% | 4 | 0.54% | -111 | -14.90% | 745 | ||||||||||
| Curry | 176 | 52.54% | 133 | 39.70% | 26 | 7.76% | 43 | 12.84% | 335 | ||||||||||
| Douglas | 1,216 | 51.20% | 1,125 | 47.37% | 34 | 1.43% | 91 | 3.83% | 2,375 | ||||||||||
| Grant | 645 | 48.10% | 679 | 50.63% | 17 | 1.27% | -34 | -2.54% | 1,341 | ||||||||||
| Jackson | 947 | 41.61% | 1,251 | 54.96% | 78 | 3.43% | -304 | -13.36% | 2,276 | ||||||||||
| Josephine | 244 | 44.36% | 303 | 55.09% | 3 | 0.55% | -59 | -10.73% | 550 | ||||||||||
| Klamath | 155 | 46.69% | 177 | 53.31% | 0 | 0.00% | -22 | -6.63% | 332 | ||||||||||
| Lake | 160 | 41.24% | 220 | 56.70% | 8 | 2.06% | -60 | -15.46% | 388 | ||||||||||
| Lane | 1,251 | 48.92% | 1,232 | 48.18% | 74 | 2.89% | 19 | 0.74% | 2,557 | ||||||||||
| Linn | 1,444 | 45.60% | 1,641 | 51.82% | 82 | 2.59% | -197 | -6.22% | 3,167 | ||||||||||
| Marion | 2,193 | 56.07% | 1,627 | 41.60% | 91 | 2.33% | 566 | 14.47% | 3,911 | ||||||||||
| Multnomah | 5,058 | 55.99% | 3,880 | 42.95% | 95 | 1.05% | 1,178 | 13.04% | 9,033 | ||||||||||
| Polk | 759 | 48.28% | 748 | 47.58% | 65 | 4.13% | 11 | 0.70% | 1,572 | ||||||||||
| Tillamook | 202 | 51.79% | 155 | 39.74% | 33 | 8.46% | 47 | 12.05% | 390 | ||||||||||
| Umatilla | 1,861 | 47.38% | 2,003 | 50.99% | 64 | 1.63% | -142 | -3.62% | 3,928 | ||||||||||
| Union | 1,216 | 47.70% | 1,293 | 50.73% | 40 | 1.57% | -77 | -3.02% | 2,549 | ||||||||||
| Wasco | 1,634 | 53.70% | 1,360 | 44.69% | 49 | 1.61% | 274 | 9.00% | 3,043 | ||||||||||
| Washington | 946 | 51.22% | 766 | 41.47% | 135 | 7.31% | 180 | 9.75% | 1,847 | ||||||||||
| Yamhill | 1,184 | 52.23% | 1,034 | 45.61% | 49 | 2.16% | 150 | 6.62% | 2,267 | ||||||||||
| Totals | 26,860 | 50.94% | 24,604 | 46.66% | 1,264 | 2.40% | 2,256 | 4.28% | 52,728 | ||||||||||