Harry Otto came out of a tight three-way race to unseat incumbent Kris Scheperle in a Cole County Commission Republican primary. Incumbent Jeff Hoelscher held his commission spot.
Otto and Hoelscher will not face a November challenger, so they will get the seats.
Chris Estes basically won re-election as Cole County assessor after winning his four-person Republican primary, since no one else is running.
Incumbent Roger Fischer will keep his Callaway County Commissioner seat after a Republican primary win.
Tristan Asbury is the choice of Boone County Republicans in a four-way race to challenge Democratic incumbent commissioner Janet Thompson in November.