| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 2,436 | 3,252 | 5,813 | |
| 2020 | R | 2,611 | 3,271 | 6,016 | |
| 2016 | R | 2,129 | 2,585 | 5,332 | |
| 2012 | D | 2,828 | 2,699 | 5,764 | |
| 2008 | D | 3,490 | 2,805 | 6,384 | |
| 2004 | R | 2,824 | 3,082 | 5,968 | |
| 2000 | D | 2,653 | 2,600 | 5,461 | |
| 1996 | D | 2,659 | 1,975 | 5,166 | |
| 1992 | D | 2,607 | 1,730 | 5,228 | |
| 1988 | D | 2,785 | 2,256 | 5,085 | |
| 1984 | R | 2,435 | 2,994 | 5,485 | |
| 1980 | R | 2,266 | 2,537 | 5,086 | |
| 1976 | D | 2,718 | 2,259 | 5,006 | |
| 1972 | R | 1,855 | 2,663 | 4,601 | |
| 1968 | D | 2,477 | 2,212 | 4,983 | |
| 1964 | D | 3,367 | 1,636 | 5,029 | |
| 1960 | D | 3,187 | 2,316 | 5,528 | |
| 1956 | R | 2,450 | 2,959 | 5,409 | |
| 1952 | R | 3,184 | 3,397 | 6,586 | |
| 1948 | D | 3,871 | 2,575 | 6,480 | |
| 1944 | D | 3,017 | 2,661 | 5,685 | |
| 1940 | D | 4,234 | 3,452 | 7,690 | |
| 1936 | D | 4,661 | 2,745 | 7,451 | |
| 1932 | D | 4,282 | 3,214 | 7,547 | |
| 1928 | R | 3,022 | 3,904 | 6,936 | |
| 1924 | R | 3,067 | 3,512 | 7,307 | |
| 1920 | R | 2,709 | 3,351 | 6,107 | |
| 1916 | D | 2,006 | 1,835 | 3,880 | |
| 1912 | D | 1,182 | 1,036 | 2,859 | |
| 1908 | — | — | — | — | |
| 1904 | — | — | — | — | |
| 1900 | — | — | — | — | |
| 1896 | — | — | — | — | |
| 1892 | — | — | — | — | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Colfax County sits in northeastern New Mexico's high-plains and mountain terrain, home to ranching communities and the historic Philmont Scout Ranch. Its roughly 14,000 residents have leaned Republican in recent cycles, delivering a 14-point margin in 2024.
The Democratic margin in Colfax County has rarely exceeded thirty-four points in modern history; the Republican margin has rarely exceeded eighteen points. 2024 delivered the county to the Republican candidate by fourteen points.
Colfax County's demographics resemble the country more than they resemble most counties. A 63% non-Hispanic-white share, a 18% poverty rate, and a median household income of $53,554 — all within the broad national range. The county's voting pattern over the last decade is most similar to that of Columbia County and Granville County.