Before (end of 2020) (37 seats, Open Council Data)
Conservative 23 · Labour 10 · Liberal Democrats 3 · UK Independence Party (UKIP) 1
After (end of 2021) (37 seats, Open Council Data)
Conservative 19 · Labour 15 · Liberal Democrats 3
Ward results
Broadwater1 seat · turnout 36.5%
| Cathy Glynn-Davies | Labour | 1,139 ✓ |
| Thomson P.G. | Conservative | 1,004 |
| Richard Denham Battson | Green | 192 |
| John Christopher Apsey | Liberal Democrats | 165 |
Castle1 seat · turnout 32.3%
| Wills S. | Conservative | 956 ✓ |
| Ibsha Choudhury | Labour | 880 |
| Wiltshire N. | Liberal Democrats | 253 |
| Dawe J. | Green | 182 |
Central1 seat · turnout 32.6%
| Rosey Whorlow | Labour | 1,127 ✓ |
| Alex Harman | Conservative | 763 |
| Jo Paul | Green | 455 |
| Brown C.B. | Liberal Democrats | 176 |
Durrington1 seat · turnout 30.8%
| Coxhill D. | Conservative | 783 ✓ |
| McKnight G.J. | Labour | 310 |
| Emma Kate Norton | Liberal Democrats | 210 |
| Darrall J.E.R. | Green | 103 |
Gaisford1 seat · turnout 40.8%
| John Turley | Labour | 1,235 ✓ |
| Turner V. | Conservative | 1,114 |
| Carleysmith S.W. | Green | 284 |
| Gentry C.L. | Liberal Democrats | 261 |
Goring1 seat · turnout 42.0%
| Steve Waight | Conservative | 1,785 ✓ |
| Cropper J.L. | Labour | 601 |
| Huls S. | Green | 279 |
| Rogers R.T. | Liberal Democrats | 248 |
Heene1 seat · turnout 37.3%
| Taylor E. | Labour | 1,091 ✓ |
| High P.D. | Conservative | 924 |
| Ian Davey | Green | 347 |
| Cannings C.J. | Liberal Democrats | 130 |
Marine1 seat
| Cooper B. | Labour | 1,456 ✓ |
| Gavin Poole | Conservative | 1,324 |
| Hopkins T.C. | Green | 181 |
| Brown A. | Liberal Democrats | 140 |
Northbrook1 seat · turnout 24.9%
| Cochran R. | Conservative | 647 ✓ |
| Ingrid Kristina Kathleen Allan | Labour | 378 |
| Keith Sutherland | Liberal Democrats | 130 |
| Joe Pearce | Green | 113 |
Offington1 seat · turnout 39.6%
| Elizabeth Sparkes | Conservative | 1,693 ✓ |
| Helen Abrahams | Labour | 421 |
| Mallin S.L. | Green | 243 |
| lona Harte | Liberal Democrats | 235 |
Salvington1 seat · turnout 35.0%
| Richard Nowak | Conservative | 1,508 ✓ |
| Lysanne Skinner | Labour | 440 |
| Jacqueline Barbara Cranefield | Liberal Democrats | 372 |
| Rhodes S. | Green | 220 |
Selden1 seat · turnout 36.9%
| Jon Roser | Labour | 1,115 ✓ |
| Blake S.L. | Conservative | 848 |
| Melanie Emma Ling | Green | 226 |
| Leonard Y.E. | Liberal Democrats | 138 |
Tarring1 seat · turnout 36.9%
| Hazel Thorpe | Liberal Democrats | 920 ✓ |
| Salisbury J. | Conservative | 630 |
| Fraser P.B. | Labour | 604 |
| Constantine De Goguel | Green | 165 |
| Marco Alexander Di Paola | Libertarian Party | 46 |
Worthing East2 seats
| Cooper B. | Labour | 1,824 ✓ |
| High P.D. | Conservative | 1,540 |
| Mallin S.L. | Green | 285 |
| J.B. Cranefield | Liberal Democrats | 171 |
| C.M. Woodward | Independent | 114 |