In the Republican runoff primary, businessman Kevin Stitt won 54.6 percent of the vote and 68 counties, including Tulsa County. Former Oklahoma City Mick Cornett captured 45.4 percent of votes, including Oklahoma County. The results by county:
| County | Candidate | Votes | Percent Vote |
|---|---|---|---|
| Adair | Kevin Stitt | 628 | 66.7% |
| Mick Cornett | 313 | 33.3% | |
| Alfalfa | Kevin Stitt | 435 | 49.6% |
| Mick Cornett | 442 | 50.4% | |
| Atoka | Kevin Stitt | 295 | 75.4% |
| Mick Cornett | 96 | 24.6% | |
| Beaver | Kevin Stitt | 552 | 60.1% |
| Mick Cornett | 366 | 39.9% | |
| Beckham | Kevin Stitt | 673 | 54.8% |
| Mick Cornett | 555 | 45.2% | |
| Blaine | Kevin Stitt | 543 | 53.7% |
| Mick Cornett | 469 | 46.3% | |
| Bryan | Kevin Stitt | 792 | 69.9% |
| Mick Cornett | 341 | 30.1% | |
| Caddo | Kevin Stitt | 733 | 56.1% |
| Mick Cornett | 574 | 43.9% | |
| Canadian | Kevin Stitt | 7,025 | 48.7% |
| Mick Cornett | 7,391 | 51.3% | |
| Carter | Kevin Stitt | 1,304 | 65.5% |
| Mick Cornett | 686 | 34.5% | |
| Cherokee | Kevin Stitt | 1,357 | 63.3% |
| Mick Cornett | 786 | 36.7% | |
| Choctaw | Kevin Stitt | 262 | 75.1% |
| Mick Cornett | 87 | 24.9% | |
| Cimarron | Kevin Stitt | 240 | 72.7% |
| Mick Cornett | 90 | 27.3% | |
| Cleveland | Kevin Stitt | 10,800 | 47.9% |
| Mick Cornett | 11,758 | 52.1% | |
| Coal | Kevin Stitt | 142 | 64.3% |
| Mick Cornett | 79 | 35.7% | |
| Comanche | Kevin Stitt | 3,220 | 54.0% |
| Mick Cornett | 2,739 | 46.0% | |
| Cotton | Kevin Stitt | 221 | 61.2% |
| Mick Cornett | 140 | 38.8% | |
| Craig | Kevin Stitt | 484 | 59.0% |
| Mick Cornett | 336 | 41.0% | |
| Creek | Kevin Stitt | 4,817 | 68.8% |
| Mick Cornett | 2,186 | 31.2% | |
| Custer | Kevin Stitt | 1,465 | 47.6% |
| Mick Cornett | 1,614 | 52.4% | |
| Delaware | Kevin Stitt | 1,808 | 63.0% |
| Mick Cornett | 1,060 | 37.0% | |
| Dewey | Kevin Stitt | 452 | 66.4% |
| Mick Cornett | 229 | 33.6% | |
| Ellis | Kevin Stitt | 445 | 64.3% |
| Mick Cornett | 247 | 35.7% | |
| Garfield | Kevin Stitt | 3,018 | 45.7% |
| Mick Cornett | 3,591 | 54.3% | |
| Garvin | Kevin Stitt | 871 | 52.7% |
| Mick Cornett | 781 | 47.3% | |
| Grady | Kevin Stitt | 2,795 | 55.6% |
| Mick Cornett | 2,236 | 44.4% | |
| Grant | Kevin Stitt | 414 | 56.4% |
| Mick Cornett | 320 | 43.6% | |
| Greer | Kevin Stitt | 121 | 59.0% |
| Mick Cornett | 84 | 41.0% | |
| Harmon | Kevin Stitt | 97 | 62.2% |
| Mick Cornett | 59 | 37.8% | |
| Harper | Kevin Stitt | 401 | 68.8% |
| Mick Cornett | 182 | 31.2% | |
| Haskell | Kevin Stitt | 281 | 74.7% |
| Mick Cornett | 95 | 25.3% | |
| Hughes | Kevin Stitt | 372 | 60.3% |
| Mick Cornett | 245 | 39.7% | |
| Jackson | Kevin Stitt | 948 | 61.5% |
| Mick Cornett | 594 | 38.5% | |
| Jefferson | Kevin Stitt | 146 | 58.4% |
| Mick Cornett | 104 | 41.6% | |
| Johnston | Kevin Stitt | 253 | 68.6% |
| Mick Cornett | 116 | 31.4% | |
| Kay | Kevin Stitt | 2,122 | 45.9% |
| Mick Cornett | 2,504 | 54.1% | |
| Kingfisher | Kevin Stitt | 1,174 | 52.0% |
| Mick Cornett | 1,082 | 48.0% | |
| Kiowa | Kevin Stitt | 310 | 55.5% |
| Mick Cornett | 249 | 44.5% | |
| Latimer | Kevin Stitt | 269 | 71.0% |
| Mick Cornett | 110 | 29.0% | |
| LeFlore | Kevin Stitt | 961 | 64.0% |
| Mick Cornett | 541 | 36.0% | |
| Lincoln | Kevin Stitt | 1,743 | 54.4% |
| Mick Cornett | 1,462 | 45.6% | |
| Logan | Kevin Stitt | 2,776 | 52.2% |
| Mick Cornett | 2,543 | 47.8% | |
| Love | Kevin Stitt | 205 | 68.6% |
| Mick Cornett | 94 | 31.4% | |
| Major | Kevin Stitt | 754 | 57.8% |
| Mick Cornett | 551 | 42.2% | |
| Marshall | Kevin Stitt | 383 | 67.1% |
| Mick Cornett | 188 | 32.9% | |
| Mayes | Kevin Stitt | 2,049 | 68.0% |
| Mick Cornett | 965 | 32.0% | |
| McClain | Kevin Stitt | 2,377 | 56.8% |
| Mick Cornett | 1,808 | 43.2% | |
| McCurtain | Kevin Stitt | 462 | 68.5% |
| Mick Cornett | 212 | 31.5% | |
| McIntosh | Kevin Stitt | 650 | 68.2% |
| Mick Cornett | 303 | 31.8% | |
| Murray | Kevin Stitt | 389 | 57.5% |
| Mick Cornett | 287 | 42.5% | |
| Muskogee | Kevin Stitt | 2,319 | 66.0% |
| Mick Cornett | 1,192 | 34.0% | |
| Noble | Kevin Stitt | 648 | 47.4% |
| Mick Cornett | 720 | 52.6% | |
| Nowata | Kevin Stitt | 591 | 60.5% |
| Mick Cornett | 386 | 39.5% | |
| Okfuskee | Kevin Stitt | 329 | 56.9% |
| Mick Cornett | 249 | 43.1% | |
| Oklahoma | Kevin Stitt | 25,090 | 42.2% |
| Mick Cornett | 34,329 | 57.8% | |
| Okmulgee | Kevin Stitt | 1,388 | 70.7% |
| Mick Cornett | 575 | 29.3% | |
| Osage | Kevin Stitt | 2,554 | 63.7% |
| Mick Cornett | 1,458 | 36.3% | |
| Ottawa | Kevin Stitt | 658 | 65.2% |
| Mick Cornett | 351 | 34.8% | |
| Pawnee | Kevin Stitt | 771 | 62.3% |
| Mick Cornett | 466 | 37.7% | |
| Payne | Kevin Stitt | 2,600 | 44.7% |
| Mick Cornett | 3,220 | 55.3% | |
| Pittsburg | Kevin Stitt | 1,237 | 66.3% |
| Mick Cornett | 630 | 33.7% | |
| Pontotoc | Kevin Stitt | 1,119 | 55.0% |
| Mick Cornett | 917 | 45.0% | |
| Pottawatomie | Kevin Stitt | 2,679 | 50.7% |
| Mick Cornett | 2,605 | 49.3% | |
| Pushmataha | Kevin Stitt | 220 | 76.4% |
| Mick Cornett | 68 | 23.6% | |
| Roger Mills | Kevin Stitt | 200 | 57.8% |
| Mick Cornett | 146 | 42.2% | |
| Rogers | Kevin Stitt | 5,924 | 64.4% |
| Mick Cornett | 3,276 | 35.6% | |
| Seminole | Kevin Stitt | 614 | 51.8% |
| Mick Cornett | 572 | 48.2% | |
| Sequoyah | Kevin Stitt | 626 | 65.3% |
| Mick Cornett | 333 | 34.7% | |
| Stephens | Kevin Stitt | 2,035 | 57.5% |
| Mick Cornett | 1,502 | 42.5% | |
| Texas | Kevin Stitt | 855 | 64.1% |
| Mick Cornett | 478 | 35.9% | |
| Tillman | Kevin Stitt | 358 | 60.0% |
| Mick Cornett | 239 | 40.0% | |
| Tulsa | Kevin Stitt | 35,375 | 61.1% |
| Mick Cornett | 22,480 | 38.9% | |
| Wagoner | Kevin Stitt | 5,143 | 67.0% |
| Mick Cornett | 2,533 | 33.0% | |
| Washington | Kevin Stitt | 3,785 | 59.0% |
| Mick Cornett | 2,630 | 41.0% | |
| Washita | Kevin Stitt | 513 | 57.8% |
| Mick Cornett | 375 | 42.2% | |
| Woods | Kevin Stitt | 552 | 51.2% |
| Mick Cornett | 527 | 48.8% | |
| Woodward | Kevin Stitt | 1,599 | 58.9% |
| Mick Cornett | 1,114 | 41.1% |
