Top 2016 Montana Presidential Republican Counties by Percentage | Rank | Region | Votes | % of Votes | 1 | Garfield County | 653 | 91.3 | 2 | Fallon County | 1,276 | 86.6 | 3 | Petroleum County | 276 | 86.5 | 4 | Carter County | 677 | 87.1 | 5 | Wibaux County | 460 | 86.3 | 6 | Powder River County | 880 | 84.0 | 7 | Musselshell County | 1,961 | 81.6 |
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