| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 453 | 1,614 | 2,123 | |
| 2020 | R | 527 | 1,645 | 2,219 | |
| 2016 | R | 502 | 1,481 | 2,151 | |
| 2012 | R | 740 | 1,377 | 2,194 | |
| 2008 | R | 868 | 1,310 | 2,241 | |
| 2004 | R | 712 | 1,592 | 2,335 | |
| 2000 | R | 689 | 1,590 | 2,468 | |
| 1996 | R | 880 | 1,220 | 2,385 | |
| 1992 | R | 797 | 1,270 | 2,763 | |
| 1988 | R | 1,223 | 1,642 | 2,901 | |
| 1984 | R | 1,086 | 1,978 | 3,108 | |
| 1980 | R | 850 | 2,136 | 3,292 | |
| 1976 | R | 1,718 | 1,735 | 3,538 | |
| 1972 | R | 1,399 | 2,110 | 3,539 | |
| 1968 | R | 1,269 | 2,008 | 3,468 | |
| 1964 | D | 2,145 | 1,604 | 3,755 | |
| 1960 | R | 1,575 | 2,511 | 4,090 | |
| 1956 | R | 1,694 | 2,433 | 4,134 | |
| 1952 | R | 1,145 | 3,202 | 4,379 | |
| 1948 | R | 1,481 | 1,999 | 3,708 | |
| 1944 | R | 1,422 | 2,298 | 3,752 | |
| 1940 | R | 1,637 | 2,943 | 4,620 | |
| 1936 | D | 2,412 | 1,614 | 4,871 | |
| 1932 | D | 3,310 | 1,134 | 4,583 | |
| 1928 | R | 1,800 | 2,245 | 4,082 | |
| 1924 | R | 221 | 1,647 | 3,810 | |
| 1920 | R | 645 | 2,991 | 3,855 | |
| 1916 | R | 990 | 1,045 | 2,196 | |
| 1912 | D | 588 | 436 | 1,523 | |
| 1908 | R | 553 | 1,104 | 1,705 | |
| 1904 | R | 195 | 860 | 1,115 | |
| 1900 | R | 405 | 597 | 1,022 | |
| 1896 | R | 401 | 460 | 863 | |
| 1892 | R | 0 | 338 | 793 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Lamoure County's roughly 4,700 residents are spread across the James River valley's wheat and corn belt, where Republican presidential candidates have carried margins above 50 points in every cycle since at least 2000.
The Republican margin in LaMoure County reached its widest at sixty-one points in 1920. The margin in 2024 was fifty-five points, in line with the county's deep historical pattern.
LaMoure County's loyalty is rooted in its place. Median household income of $80,664, a 96% non-Hispanic-white share, and a population of 4,118 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 Bottineau County and Mercer County.
