From the SOS website:
Click for full size. Light blue is Akin, purple is Brunner, green is Steelman.
The SOS website and Politico have more detailed breakdowns. Pike County was 57% Akin, while two counties over, Monroe, we only got 20%. I can bet that one or more Ph.D. theses at Mizzou will be devoted to figuring out the dynamics of this race.