Before (end of 2018)
Not known.
After (end of 2019) (41 seats, our estimate)
Sinn Féin 16 · SDLP (Social Democratic & Labour Party) 11 · Independent 5 · Ulster Unionist Party 4 · Democratic Unionist Party - D.U.P. 3 · Alliance - Alliance Party of Northern Ireland 2
Ward results
Crotlieve6 seats
| Declan McAteer | SDLP (Social Democratic & Labour Party) | 1,755 ✓ |
| Mark Gibbons | Independent | 1,703 ✓ |
| Mickey Ruane | Sinn Féin | 1,688 ✓ |
| Gerry O'Hare | Sinn Féin | 1,641 ✓ |
| Karen McKevitt | SDLP (Social Democratic & Labour Party) | 1,641 ✓ |
| Jarlath Tinnelly | Independent | 1,641 ✓ |
| Joshua Lowry | Ulster Unionist Party | 1,101 |
| Michael Carr | SDLP (Social Democratic & Labour Party) | 1,076 |
| Oksana McMahon | Sinn Féin | 940 |
| Jim Boylan | Independent | 856 |
| Mary Tinnelly | Sinn Féin | 524 |
| Lorcán McGreevy | Alliance - Alliance Party of Northern Ireland | 484 |
| Wilma McCullough | Democratic Unionist Party - D.U.P. | 371 |
Downpatrick5 seats
| Dermot Curran | SDLP (Social Democratic & Labour Party) | 1,317 ✓ |
| Cadogan Enright | Independent | 1,232 ✓ |
| Gareth Sharvin | SDLP (Social Democratic & Labour Party) | 1,232 ✓ |
| Oonagh Hanlon | Sinn Féin | 1,158 ✓ |
| John Trainor | SDLP (Social Democratic & Labour Party) | 1,095 ✓ |
| Jordan Madden | Sinn Féin | 899 |
| Macartán Digney | Aontú | 525 |
| Alexander Burgess | Ulster Unionist Party | 509 |
| Tiernan Laird | Alliance - Alliance Party of Northern Ireland | 434 |
| James Savage | Democratic Unionist Party - D.U.P. | 149 |
| Jamie Kennedy | Green | 129 |
Newry6 seats
| Liz Kimmins | Sinn Féin | 1,451 ✓ |
| Michael Savage | SDLP (Social Democratic & Labour Party) | 1,418 ✓ |
| Valerie Harte | Sinn Féin | 1,415 ✓ |
| Gavin Malone | Independent | 1,415 ✓ |
| Charlie Casey | Sinn Féin | 1,415 ✓ |
| Gary John Stokes | SDLP (Social Democratic & Labour Party) | 1,179 ✓ |
| Helena Young | Alliance - Alliance Party of Northern Ireland | 1,137 |
| Sarah Jane McAllister | Sinn Féin | 864 |
| Ricky McGaffin | Ulster Unionist Party | 354 |
Rowallane5 seats
| Terry Andrews | SDLP (Social Democratic & Labour Party) | 1,322 ✓ |
| Harry Harvey | Democratic Unionist Party - D.U.P. | 1,295 ✓ |
| Patrick Brown | Alliance - Alliance Party of Northern Ireland | 1,295 ✓ |
| Robert Burgess | Ulster Unionist Party | 1,143 ✓ |
| William Walker | Democratic Unionist Party - D.U.P. | 1,074 ✓ |
| Walter Lyons | Ulster Unionist Party | 773 |
| Marianne Cleary | Sinn Féin | 710 |
| Martyn Todd | Independent | 571 |
| Emma Cairns | Green | 182 |
| Liam Mulhern | Aontú | 99 |
Slieve Croob5 seats
| Cathy Mason | Sinn Féin | 1,373 ✓ |
| Róisín Howell | Sinn Féin | 1,364 ✓ |
| Alan Lewis | Ulster Unionist Party | 1,364 ✓ |
| Gregory Bain | Alliance - Alliance Party of Northern Ireland | 1,242 ✓ |
| Hugh Gallagher | SDLP (Social Democratic & Labour Party) | 1,222 ✓ |
| Mark Murnin | SDLP (Social Democratic & Labour Party) | 1,155 |
| John Rice | Sinn Féin | 908 |
| Maynard Hanna | Democratic Unionist Party - D.U.P. | 889 |
| Tracy Harkin | Aontú | 481 |
Slieve Gullion7 seats
| Pete Byrne | SDLP (Social Democratic & Labour Party) | 1,643 ✓ |
| Oonagh Magennis | Sinn Féin | 1,622 ✓ |
| David Taylor | Ulster Unionist Party | 1,577 ✓ |
| Barra Ó’Muirí | Sinn Féin | 1,571 ✓ |
| Terry Hearty | Sinn Féin | 1,566 ✓ |
| Mickey Larkin | Sinn Féin | 1,566 ✓ |
| Roisín Mulgrew | Sinn Féin | 1,554 ✓ |
| Kate Loughran | SDLP (Social Democratic & Labour Party) | 1,296 |
| Balázs Gazdag | Alliance - Alliance Party of Northern Ireland | 365 |
| Linda Henry | Democratic Unionist Party - D.U.P. | 316 |
The Mournes7 seats
| Laura Devlin | SDLP (Social Democratic & Labour Party) | 1,514 ✓ |
| Henry Reilly | Independent | 1,514 ✓ |
| Harold McKee | Ulster Unionist Party | 1,514 ✓ |
| Glyn Hanna | Democratic Unionist Party - D.U.P. | 1,514 ✓ |
| Sean Doran | Sinn Féin | 1,514 ✓ |
| Willie Clarke | Sinn Féin | 1,445 ✓ |
| Leeanne McEvoy | Sinn Féin | 1,380 ✓ |
| Andrew McMurray | Alliance - Alliance Party of Northern Ireland | 1,349 |
| Brian Quinn | SDLP (Social Democratic & Labour Party) | 735 |
