UUP gain from Sinn Féin with a majority of 530 (1.0%) in 2015
| UUP | Tom Elliott | 23,608 | 46.4% | +46.4 | |
| SF | Michelle Gildernew | 23,078 | 45.4% | -0.1 | |
| SDLP | John Coyle | 2,732 | 5.4% | -2.3 | |
| GRN | Tanya Jones | 788 | 1.5% | +1.5 | |
| APNI | Hannah Su | 658 | 1.3% | +0.4 |
SDLP hold with a majority of 906 (2.3%) in 2015
| SDLP | Alasdair McDonnell | 9,560 | 24.5% | -16.5 | |
| DUP | Jonathan Bell | 8,654 | 22.2% | -1.5 | |
| APNI | Paula Bradshaw | 6,711 | 17.2% | +2.3 | |
| SF | Máirtín Ó Muilleoir | 5,402 | 13.9% | +13.9 | |
| UUP | Rodney McCune | 3,549 | 9.1% | -8.2 | |
| GRN | Clare Bailey | 2,238 | 5.7% | +2.7 | |
| UKIP | Bob Stoker | 1,900 | 4.9% | +4.9 | |
| CON | Ben Manton | 582 | 1.5% | +1.5 | |
| WP | Lily Kerr | 361 | 0.9% | +0.9 |
UUP gain from DUP with a majority of 949 (2.6%) in 2015
| UUP | Danny Kinahan | 11,942 | 32.7% | +2.3 | |
| DUP | William McCrea | 10,993 | 30.1% | -3.8 | |
| SF | Declan Kearney | 4,699 | 12.9% | -1.0 | |
| APNI | Neil Kelly | 3,576 | 9.8% | +2.1 | |
| SDLP | Roisin Lynch | 2,990 | 8.2% | -0.5 | |
| TUV | Richard Cairns | 1,908 | 5.2% | -0.2 | |
| CON | Alan Dunlop | 415 | 1.1% | +1.1 |
DUP hold with a majority of 2,264 (4.8%) in 2015
| DUP | David Simpson | 15,430 | 32.7% | -1.2 | |
| UUP | Jo-Anne Dobson | 13,166 | 27.9% | +2.2 | |
| SF | Catherine Seeley | 11,593 | 24.6% | -0.2 | |
| SDLP | Dolores Kelly | 4,238 | 9.0% | -3.8 | |
| APNI | Peter Lavery | 1,780 | 3.8% | +0.8 | |
| CSA | Martin Kelly | 460 | 1.0% | +1.0 | |
| WP | Damien Harte | 351 | 0.7% | +0.7 | |
| CON | Amandeep Bhogal | 201 | 0.4% | +0.4 |
DUP gain from Alliance with a majority of 2,597 (6.5%) in 2015
| DUP | Gavin Robinson | 19,575 | 49.3% | +16.5 | |
| APNI | Naomi Long | 16,978 | 42.8% | +5.6 | |
| CON | Neil Wilson | 1,121 | 2.8% | +2.8 | |
| GRN | Ross Brown | 1,058 | 2.7% | +2.7 | |
| SF | Niall | 823 | 2.1% | -0.3 | |
| SDLP | Mary Muldoon | 127 | 0.3% | -0.7 |
Sinn Féin hold with a majority of 4,176 (8.4%) in 2015
| SF | Mickey Brady | 20,488 | 41.1% | -0.9 | |
| UUP | Danny Kennedy | 16,312 | 32.7% | +13.6 | |
| SDLP | Justin McNulty | 12,026 | 24.1% | +0.7 | |
| APNI | Kate Nicholl | 841 | 1.7% | +0.5 | |
| CON | Robert Rigby | 210 | 0.4% | +0.4 |
DUP hold with a majority of 5,326 (13.1%) in 2015
| DUP | Nigel Dodds | 19,096 | 47.0% | +7.0 | |
| SF | Gerry Kelly | 13,770 | 33.9% | -0.1 | |
| SDLP | Alban Maginness | 3,338 | 8.2% | -4.1 | |
| APNI | Jason O'Neill | 2,941 | 7.2% | +2.4 | |
| WP | Gemma Weir | 919 | 2.3% | +2.3 | |
| IND | Fra Hughes | 529 | 1.3% | +1.3 |
SDLP hold with a majority of 5,891 (13.8%) in 2015
| SDLP | Margaret Ritchie | 18,077 | 42.3% | -6.1 | |
| SF | Chris Hazzard | 12,186 | 28.5% | -0.2 | |
| UUP | Harold McKee | 3,964 | 9.3% | +2.0 | |
| DUP | Jim Wells | 3,486 | 8.2% | -0.4 | |
| UKIP | Henry Reilly | 3,044 | 7.1% | +7.1 | |
| APNI | Martyn Todd | 1,622 | 3.8% | +2.5 | |
| CON | Felicity Buchan | 318 | 0.7% | +0.7 |
SDLP hold with a majority of 6,046 (16.3%) in 2015
| SDLP | Mark Durkan | 17,725 | 47.9% | +3.2 | |
| SF | Gearóid Ó Heára | 11,679 | 31.6% | -0.4 | |
| DUP | Gary Middleton | 4,573 | 12.4% | +0.5 | |
| UUP | Julia Kee | 1,226 | 3.3% | +0.1 | |
| APNI | David Hawthorne | 835 | 2.3% | +1.7 | |
| UKIP | Kyle Thompson | 832 | 2.2% | +2.2 | |
| CON | Hamish Badenoch | 132 | 0.4% | +0.4 |
DUP hold with a majority of 5,795 (17.3%) in 2015
| DUP | Sammy Wilson | 12,103 | 36.1% | -9.7 | |
| UUP | Roy Beggs | 6,308 | 18.8% | -4.8 | |
| APNI | Stewart Dickson | 5,021 | 15.0% | +3.9 | |
| UKIP | Noel Jordan | 3,660 | 10.9% | +10.9 | |
| SF | Oliver McMullan | 2,314 | 6.9% | +0.1 | |
| TUV | Ruth Wilson | 1,903 | 5.7% | -0.3 | |
| SDLP | Margaret Anne McKillop | 1,639 | 4.9% | -1.7 | |
| CON | Alex Wilson | 549 | 1.6% | +1.6 |
DUP hold with a majority of 7,804 (22.5%) in 2015
| DUP | Gregory Campbell | 14,663 | 42.2% | +7.6 | |
| SF | Caoimhe Archibald | 6,859 | 19.8% | +0.5 | |
| UUP | William McCandless | 5,333 | 15.4% | -2.4 | |
| SDLP | Gerry Mullan | 4,268 | 12.3% | -3.2 | |
| APNI | Yvonne Boyle | 2,642 | 7.6% | +2.1 | |
| CSA | Neil Paine | 527 | 1.5% | +1.5 | |
| CON | Elizabeth St Clair-Legge | 422 | 1.2% | +1.2 |
Independent hold with a majority of 9,202 (25.6%) in 2015
| IND | Sylvia Hermon | 17,689 | 49.2% | -14.1 | |
| DUP | Alex Easton | 8,487 | 23.6% | +23.6 | |
| APNI | Andrew Muir | 3,086 | 8.6% | +3.0 | |
| GRN | Steven Agnew | 1,958 | 5.4% | +2.3 | |
| CON | Mark Brotherston | 1,593 | 4.4% | +4.4 | |
| UKIP | Jonny Lavery | 1,482 | 4.1% | +4.1 | |
| TUV | William Cudworth | 686 | 1.9% | -3.0 | |
| SDLP | Tom Woolley | 355 | 1.0% | -1.0 | |
| CSA | Glenn Donnelly | 338 | 0.9% | +0.9 | |
| SF | Therese McCartney | 273 | 0.8% | 0.0 |
Sinn Féin hold with a majority of 10,060 (26.0%) in 2015
| SF | Pat Doherty | 16,807 | 43.5% | -4.9 | |
| DUP | Tom Buchanan | 6,747 | 17.5% | -2.3 | |
| SDLP | Daniel McCrossan | 6,444 | 16.7% | +2.7 | |
| UUP | Ross Hussey | 6,144 | 15.9% | +1.7 | |
| APNI | Stephen Donnelly | 869 | 2.2% | -0.1 | |
| GRN | Ciaran McClean | 780 | 2.0% | +2.0 | |
| CSA | Barry Brown | 528 | 1.4% | +1.4 | |
| CON | Claire-Louise Leyland | 169 | 0.4% | +0.4 | |
| IND | Susan-Anne White | 166 | 0.4% | +0.4 |
DUP hold with a majority of 11,546 (27.6%) in 2015
| DUP | Ian Paisley | 18,107 | 43.2% | -3.2 | |
| TUV | Timothy Gaston | 6,561 | 15.7% | -1.1 | |
| SF | Daithí McKay | 5,143 | 12.3% | -0.1 | |
| UUP | Robin Swann | 5,054 | 12.1% | +1.1 | |
| SDLP | Declan O'Loan | 2,925 | 7.0% | -1.8 | |
| APNI | Jayne Dunlop | 2,351 | 5.6% | +2.4 | |
| UKIP | Robert Hill | 1,341 | 3.2% | +3.2 | |
| CON | Carol Freeman | 368 | 0.9% | +0.9 | |
| IND | Thomas Palmer | 57 | 0.1% | +0.1 |
DUP hold with a majority of 10,185 (30.0%) in 2015
| DUP | Jim Shannon | 15,053 | 44.4% | -1.5 | |
| UUP | Robert Burgess | 4,868 | 14.3% | -13.5 | |
| APNI | Kellie Armstrong | 4,687 | 13.8% | +5.1 | |
| SDLP | Joe Boyle | 2,335 | 6.9% | +0.2 | |
| UKIP | Joe Jordan | 2,237 | 6.6% | +6.6 | |
| CON | Johnny Andrews | 2,167 | 6.4% | +6.4 | |
| TUV | Stephen Cooper | 1,701 | 5.0% | -0.6 | |
| SF | Sheila Bailie | 876 | 2.6% | -1.0 |
DUP hold with a majority of 13,000 (32.7%) in 2015
| DUP | Jeffrey Donaldson | 19,055 | 47.9% | -1.9 | |
| UUP | Alexander Redpath | 6,055 | 15.2% | -5.9 | |
| APNI | Trevor Lunn | 5,544 | 13.9% | +2.5 | |
| SDLP | Pat Catney | 2,500 | 6.3% | +1.3 | |
| UKIP | Alan Love | 2,200 | 5.5% | +5.5 | |
| TUV | Samuel Morrison | 1,887 | 4.7% | -3.9 | |
| SF | Jacqui McGeough | 1,144 | 2.9% | -1.1 | |
| IND | Jonny Orr | 756 | 1.9% | +1.9 | |
| CON | Helen Osborne | 654 | 1.6% | +1.6 |
Sinn Féin hold with a majority of 13,617 (33.3%) in 2015
| SF | Francie Molloy | 19,935 | 48.7% | -3.3 | |
| UUP | Sandra Overend | 6,318 | 15.4% | +4.4 | |
| DUP | Ian McCrea | 5,465 | 13.4% | -1.0 | |
| SDLP | Malachy Quinn | 5,055 | 12.4% | -1.9 | |
| TUV | Gareth Ferguson | 1,892 | 4.6% | -2.7 | |
| UKIP | Alan Day | 863 | 2.1% | +2.1 | |
| APNI | Eric Bullick | 778 | 1.9% | +0.9 | |
| WP | Hugh Scullion | 496 | 1.2% | +1.2 | |
| CON | Lucille Nicholson | 120 | 0.3% | +0.3 |
Sinn Féin hold with a majority of 12,365 (35.0%) in 2015
| SF | Paul Maskey | 19,163 | 54.2% | -16.8 | |
| PBP | Gerry Carroll | 6,798 | 19.2% | +19.2 | |
| SDLP | Alex Attwood | 3,475 | 9.8% | -6.5 | |
| DUP | Frank McCoubrey | 2,773 | 7.8% | +0.3 | |
| UUP | Bill Manwaring | 1,088 | 3.1% | 0.0 | |
| UKIP | Brian Higginson | 765 | 2.2% | +2.2 | |
| APNI | Gerard Catney | 636 | 1.8% | -0.1 | |
| WP | John Lowry | 597 | 1.7% | +1.7 | |
| CON | Paul Shea | 34 | 0.1% | +0.1 |