Before (end of 2017) (48 seats, Elections Centre)
Conservative 38 · Labour 8 · Other 2 · Liberal Democrats 0
After (end of 2018) (48 seats, Open Council Data)
Conservative 36 · Labour 9 · Other 2 · Liberal Democrats 1
Ward results
Adderbury, Bloxham and Bodicote1 seat · turnout 34.8%
| Andrew McHugh | Conservative | 1,457 ✓ |
| Suzette Elizabeth Watson | Labour | 540 |
| Peter Davis | Liberal Democrats | 284 |
| Andrew Aris | Green | 207 |
| Tony Mepham | Conservative | 1,447 ✓ |
| Antonio Oliver Joseph Ferrara | Labour | 758 |
| Jane Beatrix Hamel | Green | 169 |
| Brent Jackson | Liberal Democrats | 158 |
Banbury Cross & Neithrop1 seat
| Cassi Perry | Labour | 1,225 ✓ |
| Alastair John Milne-Home | Conservative | 883 |
| Bernard Geoffrey Dod | Green | 155 |
| Bette Melling | Liberal Democrats | 152 |
| Shaida Hussain | Labour | 1,098 ✓ |
| David Frederick Beverly | Conservative | 849 |
| Liz Vere | Green | 153 |
| Dave Wiles | Liberal Democrats | 114 |
Banbury Hardwick1 seat · turnout 31.2%
| Tony Ilott | Conservative | 918 ✓ |
| Perran Moon | Labour | 778 |
| Simi Cumberbatch | Green | 182 |
Banbury Ruscote1 seat · turnout 27.4%
| Barry Keir Richards | Labour | 1,033 ✓ |
| Christopher Phillips | Conservative | 580 |
| Rita Rosa Victoria White | Green | 107 |
Bicester East1 seat · turnout 30.5%
| Tom Wallis | Conservative | 1,018 ✓ |
| Celia Helen Kavuma | Labour | 653 |
| Robert Nixon | Green | 235 |
| Nicholas Edward Mawer | Conservative | 908 ✓ |
| Margaret Elizabeth Lyon | Labour | 457 |
| Daniel Murphy | Liberal Democrats | 192 |
| Francis Patrick Boon | Green | 137 |
| Lucinda Elizabeth-Anne Louise Wing | Conservative | 824 ✓ |
| Nicholas Michael Cotter | Independent | 796 |
| Marcus English | Labour | 421 |
| Roger David Nixon | Green | 126 |
Bicester West1 seat
| John Leslie Broad | Independent | 877 ✓ |
| David Edward Stephen Lydiat | Conservative | 716 |
| Stuart Allen Moss | Labour | 439 |
| Robert Nixon | Green | 72 |
| Mark Chivers | Liberal Democrats | 64 |
Cropredy, Sibfords and Wroxton2 seats · turnout 46.6%
| Phil Chapman | Conservative | 1,677 ✓ |
| Douglas Webb | Conservative | 1,618 ✓ |
| Anne Cullen | Labour | 512 |
| Susan Moon | Labour | 503 |
| Julian Woodward | Liberal Democrats | 448 |
| Shaun Edward Greenslade-Hibbert | Green | 433 |
Deddington1 seat · turnout 38.9%
| Mike Kerford-Byrnes | Conservative | 1,637 ✓ |
| Andrew Murphy | Labour | 597 |
| Nigel Geoffrey Davis | Liberal Democrats | 350 |
| Aaron Bliss | Green | 317 |
Fringford and Heyfords1 seat
| Barbara Iris Wood | Conservative | 1,470 ✓ |
| Jenny Tamblyn | Green | 379 |
| Robby Finley Prior | Labour | 361 |
Kidlington East1 seat · turnout 35.3%
| Carmen Griffiths | Conservative | 1,153 ✓ |
| Ian Middleton | Green | 776 |
| Andrew Hornsby-Smith | Labour | 664 |
Kidlington West1 seat · turnout 44.1%
| Alaric David Hammond Rose | Liberal Democrats | 1,793 ✓ |
| Nigel Simpson | Conservative | 1,045 |
| John Stansby | Labour | 299 |
Launton & Otmoor1 seat
| David Barnaby John Hughes | Conservative | 1,386 ✓ |
| Michael Nixon | Labour | 567 |
| Tim Emptage | Liberal Democrats | 413 |