| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 1,623 | 8,957 | 10,840 | |
| 2020 | R | 1,509 | 8,643 | 10,468 | |
| 2016 | R | 1,105 | 6,779 | 8,875 | |
| 2012 | R | 1,287 | 7,144 | 8,618 | |
| 2008 | R | 1,823 | 6,485 | 8,568 | |
| 2004 | R | 1,364 | 6,423 | 7,914 | |
| 2000 | R | 1,184 | 5,415 | 6,845 | |
| 1996 | R | 1,803 | 3,764 | 6,536 | |
| 1992 | R | 1,430 | 2,595 | 5,757 | |
| 1988 | R | 1,592 | 3,237 | 4,897 | |
| 1984 | R | 1,021 | 3,854 | 4,921 | |
| 1980 | R | 1,063 | 3,412 | 4,694 | |
| 1976 | R | 1,555 | 2,464 | 4,044 | |
| 1972 | R | 969 | 2,459 | 3,666 | |
| 1968 | R | 1,246 | 2,030 | 3,561 | |
| 1964 | D | 2,273 | 1,811 | 4,084 | |
| 1960 | R | 1,948 | 2,010 | 3,958 | |
| 1956 | R | 1,563 | 2,264 | 3,827 | |
| 1952 | R | 1,709 | 2,321 | 4,030 | |
| 1948 | D | 1,925 | 1,730 | 3,738 | |
| 1944 | D | 2,140 | 1,649 | 3,789 | |
| 1940 | D | 2,839 | 1,765 | 4,605 | |
| 1936 | D | 2,747 | 1,376 | 4,160 | |
| 1932 | D | 2,275 | 1,673 | 4,006 | |
| 1928 | R | 1,687 | 2,217 | 3,919 | |
| 1924 | R | 1,025 | 1,493 | 3,094 | |
| 1920 | R | 1,154 | 2,043 | 3,346 | |
| 1916 | D | 2,378 | 1,426 | 3,956 | |
| 1912 | R | 1,028 | 1,430 | 3,378 | |
| 1908 | — | — | — | — | |
| 1904 | — | — | — | — | |
| 1900 | — | — | — | — | |
| 1896 | — | — | — | — | |
| 1892 | — | — | — | — | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Lincoln County's 2024 presidential margin of R+67.7 places it among the most one-sided counties in the state, reflecting a rural, resource-economy electorate that has voted heavily Republican in every recent federal contest.
The Republican margin in Lincoln County reached its widest at sixty-eight points in 2020. The margin in 2024 was sixty-eight points, in line with the county's deep historical pattern.
Lincoln County's loyalty is rooted in its place. Median household income of $89,330, a 92% non-Hispanic-white share, and a population of 20,486 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 Minidoka County and Caribou County.
