In nearby Garden City there’s a street called Chinden. Locals argue over the pronunciation, some insisting on “Shinden.” It’s a contraction for Chinese Gardens, so you decide.
Mackey is probably the town name in Idaho that throws most people off. It is pronounced "Mackie" with the accent on the first syllable.
Basalt is pronounced bəˈsôlt, with the accent on salt, if you’re a geologist. But if you’re from Basalt, Idaho, you probably pronounce it bay salt.
You might think Dubois should be pronounced Dew Bwah, as Blanche did in that Tennessee Williams play. Nope. Dew Boys with a soft s. That’s the way Sen. Fred T. Dubois, for whom it was named, pronounced it.
And finally, what about Pahsimeroi? Uh, I’m not having that argument.