| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | R | 346 | 2,908 | 3,325 | |
| 2020 | R | 350 | 2,914 | 3,315 | |
| 2016 | R | 255 | 2,203 | 2,928 | |
| 2012 | R | 302 | 2,489 | 2,822 | |
| 2008 | R | 502 | 2,377 | 2,943 | |
| 2004 | R | 494 | 2,506 | 3,040 | |
| 2000 | R | 517 | 2,296 | 2,899 | |
| 1996 | R | 805 | 1,583 | 2,808 | |
| 1992 | R | 562 | 1,419 | 2,854 | |
| 1988 | R | 867 | 2,084 | 2,980 | |
| 1984 | R | 481 | 2,760 | 3,267 | |
| 1980 | R | 508 | 2,941 | 3,567 | |
| 1976 | R | 960 | 2,094 | 3,144 | |
| 1972 | R | 716 | 2,213 | 3,185 | |
| 1968 | R | 1,058 | 1,866 | 3,101 | |
| 1964 | D | 1,857 | 1,409 | 3,266 | |
| 1960 | R | 1,563 | 1,963 | 3,526 | |
| 1956 | R | 1,218 | 2,181 | 3,399 | |
| 1952 | R | 1,274 | 2,300 | 3,574 | |
| 1948 | D | 1,664 | 1,590 | 3,280 | |
| 1944 | D | 1,732 | 1,613 | 3,347 | |
| 1940 | D | 2,026 | 1,761 | 3,787 | |
| 1936 | D | 2,078 | 1,404 | 3,486 | |
| 1932 | R | 1,721 | 1,785 | 3,509 | |
| 1928 | R | 1,146 | 1,802 | 2,955 | |
| 1924 | R | 881 | 1,611 | 2,973 | |
| 1920 | R | 1,138 | 1,831 | 2,969 | |
| 1916 | D | 1,566 | 1,229 | 2,829 | |
| 1912 | R | 916 | 1,271 | 2,494 | |
| 1908 | R | 933 | 1,460 | 2,416 | |
| 1904 | R | 769 | 1,538 | 2,321 | |
| 1900 | D | 1,077 | 1,061 | 2,166 | |
| 1896 | D | 851 | 249 | 1,101 | |
| 1892 | R | 0 | 114 | 336 | |
| 1888 | — | — | — | — | |
| 1884 | — | — | — | — | |
| 1880 | — | — | — | — | |
| 1876 | — | — | — | — |
Bear Lake's 2024 presidential margin of R+77.3 ranks among the widest in Idaho, reflecting a rural, majority-LDS population concentrated near the Utah border whose voting patterns closely mirror neighboring Cache and Rich counties across the state line.
The Republican margin in Bear Lake County reached its widest at seventy-seven points in 2012. The margin in 2024 was seventy-seven points, in line with the county's deep historical pattern.
Bear Lake County's loyalty is rooted in its place. Median household income of $75,260, a 95% non-Hispanic-white share, and a population of 6,650 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 Sterling County and Caribou County.
