Following a by-election for the East Mansfield electoral division which took place on Thursday, September 28, the results were:
| Name | Party | Votes cast | Majority |
|---|---|---|---|
| Frost, Paul | Green | 217 | |
| Holt, Helen | Labour | 1228 (elected) | 600 |
| Owen, Syd | Mansfield Independent Forum | 620 | |
| Rees, Ken | Conservative | 628 | |
| Smith, Phillip Ashley | Liberal Democrat | 544 | |
| Turnout | 18.5% |
Helen Holt was, therefore, elected to the County Council.
