| 2018 Butler County Primary August 7, 2018 OFFICIAL RESULTS | |||
| SECRETARY OF STATE Details | |||
| Brian "BAM" McClendon (DEM) | 1936 | ||
| Andover W1 | 174 | ||
| Andover W2 | 130 | ||
| Andover W3 | 64 | ||
| Andover W4 | 4 | ||
| Augusta City W1 | 75 | ||
| Augusta City W2 | 46 | ||
| Augusta City W3 | 108 | ||
| Augusta City W4 | 60 | ||
| El Dorado W1 | 131 | ||
| El Dorado W2 | 117 | ||
| El Dorado W3 | 112 | ||
| El Dorado W4 | 86 | ||
| Rose Hill City/Pleasant | 110 | ||
| Benton City/Benton Twp | 64 | ||
| Cassoday/Sycamore Twp | 7 | ||
| Douglass City/Twp | 51 | ||
| Elbing City/Fairmount Twp | 11 | ||
| Latham/Union | 3 | ||
| Leon/Little Walnut | 28 | ||
| Potwin/Plum Grove | 23 | ||
| Towanda City/Towanda Twp | 71 | ||
| Whitewater/Milton - 72 | 19 | ||
| Milton Twp - 75 | 11 | ||
| Augusta Twp - 16 | 30 | ||
| Augusta Twp - 14 | 17 | ||
| Bloomington Twp | 16 | ||
| Bruno Twp North - 77 | 25 | ||
| Bruno Twp South - 77 | 7 | ||
| Bruno Twp North - 99 | 17 | ||
| Bruno Twp South - 99 | 9 | ||
| Chelsea Twp | 10 | ||
| Clay Twp | 5 | ||
| Clifford Twp | 7 | ||
| El Dorado Twp East | 11 | ||
| El Dorado Twp West | 18 | ||
| Fairview Twp | 9 | ||
| Glencoe Twp | 10 | ||
| Hickory Twp | 1 | ||
| Lincoln Twp | 3 | ||
| Logan Twp | 5 | ||
| Murdock Twp | 9 | ||
| Pleasant Twp | 73 | ||
| Prospect Twp | 40 | ||
| Richland Twp | 19 | ||
| Rock Creek Twp | 8 | ||
| Rosalia Twp | 16 | ||
| Spring Twp | 56 | ||
| Walnut Twp | 10 | ||