The number of votes recorded for each Candidate at the Cockington-with-Chelston​ by-election are as follows:
| Candidate | Number of votes |
| POUNTNEY, Mark Jonathan Liberal Democrats | 1,048 Elected |
| FARYNA, Sylvia Conservative Party | 614 |
| CRITCHLOW, Leonora Melina Labour Party | 357 |
| COLLEY, Susan Independent | 129 |
| DENT, Mark Anthony Independent | 61 |
| COOPER, Thomas Anthony Green Party | 55 |
| Code | Reason | Number |
|---|---|---|
| A | want of an official mark | 0 |
| B | voting for more Candidates than voter was entitled to | 5 |
| C | writing or mark by which voter could be identified | 0 |
| D | being unmarked or wholly void for uncertainty | 2 |
| E | rejected in part | 0 |
| Total | 7 | |
- Vacant Seats: 1
- Electorate: 8634
- Ballot papers issued: 2270
- Turnout: 26.3%