| Unofficial FINAL Election Night Returns for May 2 City of McKinney and McKinney ISD Joint Election as of 02:35 PM |
| Early Voting Only | Combined Early & Election Day Voting | ||
| City of McKinney | |||
| Councilmember-at-Large | |||
| Randall Rice | 310 | 832 / 41.12% | |
| Thad Helsley | 608 | 1242 / 59.88% | |
| Councilmember District 2 | |||
| Bob Groff | 190 | 438 / 48.34% | |
| Bill Whitfield | 176 | 468 / 51.66% | |
| Councilmember District 4 | |||
| Mark P. Yablon | 76 | 217 / 31.04% | |
| Mary Brennan | 199 | 482 / 68.96% | |
| McKinney ISD | |||
| Trustee, Place 3 | |||
| Betty Webb Petkovsek | 217 | 397 / 100.00% | |
| Trustee, Place 6 | |||
| Bill Fitzgerald | 435 | 971 / 65.65% | |
| Jon Howard | 124 | 274 / 18.53% | |
| Peter W. Bailey | 96 | 234 / 15.82% | |
| Trustee, Place 7 | |||
| David Brooks | 637 | 1408 / 100.00% |