What's the all time record for the lowest popular vote %age for the winner of a state in US presidential elections? I just looked up the 1912 race, and Wilson managed to win Idaho with just 32% of the vote. Is that the record? Any chance that Utah could actually beat that record this time?
It is the record; other close ones that don't quite match it are CA in 1860 and IL in 1824.
It's entirely possible that UT breaks it, but I wouldn't bet on it.
(To complete the 1912 analogy, taking Taft as a minor-party candidate, it would be highly amusing if Sanders won VT via write-in.)
