| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 809 | 4,627 | 5,521 | |
| 2020 | R | 814 | 4,482 | 5,419 | |
| 2016 | R | 698 | 3,670 | 4,672 | |
| 2012 | R | 927 | 2,458 | 3,451 | |
| 2008 | R | 933 | 1,740 | 2,715 | |
| 2004 | R | 847 | 1,897 | 2,762 | |
| 2000 | R | 653 | 1,634 | 2,364 | |
| 1996 | R | 928 | 1,338 | 2,703 | |
| 1992 | R | 787 | 1,324 | 3,090 | |
| 1988 | R | 1,273 | 1,949 | 3,253 | |
| 1984 | R | 974 | 2,610 | 3,627 | |
| 1980 | R | 867 | 2,265 | 3,368 | |
| 1976 | R | 1,335 | 1,595 | 2,978 | |
| 1972 | R | 937 | 1,913 | 2,904 | |
| 1968 | R | 935 | 1,625 | 2,725 | |
| 1964 | D | 1,584 | 1,352 | 2,938 | |
| 1960 | R | 1,514 | 1,715 | 3,231 | |
| 1956 | R | 1,405 | 1,609 | 3,027 | |
| 1952 | R | 846 | 2,260 | 3,152 | |
| 1948 | D | 1,227 | 1,168 | 2,591 | |
| 1944 | D | 1,592 | 1,241 | 2,863 | |
| 1940 | D | 2,440 | 1,563 | 4,046 | |
| 1936 | D | 2,885 | 570 | 3,888 | |
| 1932 | D | 2,655 | 710 | 3,547 | |
| 1928 | R | 1,289 | 2,100 | 3,435 | |
| 1924 | R | 137 | 1,113 | 2,918 | |
| 1920 | R | 511 | 2,587 | 3,254 | |
| 1916 | D | 1,456 | 1,394 | 3,087 | |
| 1912 | D | 293 | 285 | 1,035 | |
| 1908 | R | 212 | 574 | 839 | |
| 1904 | — | — | — | — | |
| 1900 | — | — | — | — | |
| 1896 | — | — | — | — | |
| 1892 | — | — | — | — | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
McKenzie County sits atop the Bakken Formation, making it one of North Dakota's top oil-producing counties. Its sparse population and extractive-industry base have accompanied some of the widest presidential margins in the state.
The Republican margin in McKenzie County reached its widest at sixty-nine points in 2024. The margin in 2024 was sixty-nine points, in line with the county's deep historical pattern.
McKenzie County's loyalty is rooted in its place. Median household income of $93,404, a 78% non-Hispanic-white share, and a population of 14,321 together describe a community whose political habits are deeply settled. The county's voting pattern over the last decade is most similar to that of Mercer County and Wells County.
