Louis Sigel of Gardiner is a former secretary for the Kennebec County Democratic Committee who is critical of Golden's stance on Israel as well as some of his votes that bucked his own party in D.C.

In contrast, Democratic Governor Janet Mills remains significantly more popular and is increasingly seen as a potential challenger in 2026. Mills holds a net favorability rating of +10, with 51 percent of Mainers viewing her favorably and 41 percent unfavorably. Seven percent are neutral on Mills, and 1 percent say they don't know enough about her.