Before (end of 2018) (43 seats, Open Council Data)
Conservative 21 · Other 17 · Liberal Democrats 3 · Labour 2
After (end of 2019) (32 seats, Open Council Data)
Conservative 15 · Other 8 · Green 4 · Liberal Democrats 3 · Labour 2
Ward results
Assington1 seat
| Lee Jonathan Parker | Independent | 415 ✓ |
| David Holland | Conservative | 278 |
| Laura Ann Smith | Green | 146 |
Box Vale1 seat
| Bryn David Hurren | Liberal Democrats | 833 ✓ |
| Jacqueline Rawlinson | Conservative | 207 |
Brantham1 seat
| Alastair McCraw | Independent | 712 ✓ |
| William Shropshire | Conservative | 59 |
| Carrie Wheeler | Green | 58 |
Brett Vale1 seat · turnout 60.2%
| John Ward | Conservative | 458 ✓ |
| Stephen Laing | Independent | 314 |
| Philippa Draper | Green | 211 |
| Stephen Williams | Independent | 44 |
Bures St Mary & Nayland1 seat
| Melanie Jane Barrett | Conservative | 405 ✓ |
| Miriam Burns | Green | 356 |
Capel St Mary1 seat
| Sue Carpendale | Liberal Democrats | 681 ✓ |
| Delme Rhys Thompson | Conservative | 180 |
Chadacre2 seats
| Stephen Plumb | Independent | 983 ✓ |
| Michael Holt | Conservative | 780 ✓ |
| Luis Orna Diaz | Green | 372 |
| Felix Reeves Whymark | Green | 324 |
Copdock & Washbrook1 seat
| David Busby | Liberal Democrats | 604 ✓ |
| Barry Charles Gasper | Conservative | 380 |
East Bergholt1 seat
| Alan John Hinton | Independent | 432 ✓ |
| Dominic John Torrington | Conservative | 292 |
| Sallie Davies | Green | 250 |
Ganges1 seat
| Derek Davis | Independent | 561 ✓ |
| Paul Clarke | Conservative | 111 |
| Sharon-Anne Kennedy | Green | 65 |
| Tony Ingram | Liberal Democrats | 54 |
Great Cornard3 seats
| Peter Beer | Conservative | 703 ✓ |
| Mark Newman | Conservative | 682 ✓ |
| Honor Violet Grainger-Howard | Conservative | 640 ✓ |
| Tony Bavington | Labour | 553 |
| Tracey Elizabeth Anne Welsh | Labour | 504 |
| Stewart Michael Sheridan | Labour | 463 |
| Dean Walton | Green | 372 |
| Andrew Liffen | Green | 309 |
| Tobias Horkan | Green | 290 |
| Marjorie Bark | Liberal Democrats | 254 |
Hadleigh North1 seat · turnout 18.3%
| Sian Dawson | Conservative | 236 ✓ |
| Karen Joy Harman | Liberal Democrats | 146 |
| Angela Wiltshire | Labour | 143 |
| Peter Lynn | Green | 131 |
Hadleigh South2 seats · turnout 65.9%
| Kathryn Susanne Grandon | Independent | 832 ✓ |
| Mick Fraser | Conservative | 436 ✓ |
| Marc Jonathan Frost | Conservative | 392 |
| Amy Aylett | Green | 368 |
| Rickaby James Shearly-Sanders | Labour | 328 |
| Sophie Ship | Green | 245 |
Lavenham2 seats
| Margaret Valerie Maybury | Conservative | 745 ✓ |
| Clive Arthey | Independent | 704 ✓ |
| Philip James Faircloth-Mutton | Conservative | 624 |
| Karen Marshall | Green | 541 |
| Leon Philip Stedman | UK Independence Party (UKIP) | 254 |
Long Melford2 seats · turnout 71.1%
| John Nunn | Independent | 1,276 ✓ |
| Liz Malvisi | Conservative | 625 ✓ |
| Jane Smith | Green | 383 |
| John Smith | Green | 206 |
North West Cosford1 seat
| Robert Lindsay | Green | 690 ✓ |
| Alexandra Dawson | Conservative | 287 |
Orwell1 seat
| Jane Gould | Green | 654 ✓ |
| Nick Ridley | Conservative | 249 |
South East Cosford1 seat
| Leigh Jamieson | Green | 708 ✓ |
| Alan Ferguson | Conservative | 440 |
Sproughton & Pinewood2 seats
| Zachary Norman | Conservative | 508 ✓ |
| Richard Hardacre | Green | 437 ✓ |
| David John Plowman | Labour | 436 |
| Christopher Hudson | Conservative | 352 |
Stour1 seat
| Mary McLaren | Conservative | 292 ✓ |
| Christopher William Sawyer | Independent | 259 |
| Michael Frank Manley Bamford | Liberal Democrats | 225 |
| Lyndon Ship | Green | 161 |
Sudbury North East1 seat
| Alison Owen | Labour | 190 ✓ |
| Gary John Quinlan | Conservative | 136 |
| Paul Mark Dalley | UK Independence Party (UKIP) | 133 |
| Theresa Munson | Green | 63 |
Sudbury North West2 seats
| Janice Osborne | Conservative | 411 ✓ |
| Trevor Cresswell | Labour | 372 ✓ |
| Steven James Barrett | Conservative | 361 |
| Nigel Andrew Bennett | Liberal Democrats | 303 |
| David Williams | Labour | 285 |
| Michael Chapman | Green | 216 |
| Robert Malcolm Spivey | Liberal Democrats | 212 |
| John Burch | Green | 166 |
Sudbury South East1 seat
| Adrian Osborne | Conservative | 260 ✓ |
| Luke Cresswell | Labour | 210 |
| Heather James | Green | 79 |
| Russ Platt | Liberal Democrats | 67 |
Sudbury South West1 seat
| Susan Ayres | Conservative | 262 ✓ |
| Nicola Dixon | Labour | 205 |
| Andrew Welsh | Liberal Democrats | 99 |
| Julie Fowles-Smith | Green | 86 |
| Robert George Darvell | Independent | 84 |