A general election to the 58th Parliament of the United Kingdom with an electorate of 47,562,702, having 32,014,110 valid votes and 117,919 invalid votes.
Read the House of Commons Library briefing.
By area - By majority - By vote share of winning candidate - By turnout - By declaration time - By party - Non-party candidates
| Ranking | Constituency | Winning candidate | Winning party | Valid vote count | Electorate | Turnout (valid vote count / electorate) |
| 1 | Fermanagh and South Tyrone | GILDERNEW, Michelle | SF | 50,762 | 72,848 | 69.7% |
| 2 | Belfast North | FINUCANE, John | SF | 49,037 | 72,225 | 67.9% |
| 3 | Belfast South | HANNA, Claire | SDLP | 47,352 | 69,984 | 67.7% |
| 4 | Belfast East | ROBINSON, Gavin | DUP | 42,445 | 66,245 | 64.1% |
| 5 | Foyle | EASTWOOD, Colum | SDLP | 47,144 | 74,346 | 63.4% |
| 6 | Mid Ulster | MOLLOY, Francie | SF | 44,620 | 70,449 | 63.3% |
| 7 | South Down | HAZZARD, Chris | SF | 49,762 | 79,175 | 62.9% |
| 8 | Newry and Armagh | BRADY, Mickey | SF | 50,779 | 81,226 | 62.5% |
| 9 | West Tyrone | BEGLEY, Órfhlaith | SF | 41,186 | 66,259 | 62.2% |
| 10 | North Down | FARRY, Stephen | APNI | 40,643 | 67,099 | 60.6% |
| 11 | Upper Bann | LOCKHART, Carla | DUP | 50,045 | 82,887 | 60.4% |
| 12 | Lagan Valley | DONALDSON, Jeffrey M. | DUP | 45,405 | 75,735 | 60.0% |
| 13 | South Antrim | GIRVAN, Paul | DUP | 42,974 | 71,711 | 59.9% |
| 14 | Belfast West | MASKEY, Paul | SF | 38,782 | 65,644 | 59.1% |
| 15 | East Antrim | WILSON, Sammy | DUP | 37,261 | 64,830 | 57.5% |
| 16 | North Antrim | PAISLEY, Ian | DUP | 44,051 | 77,134 | 57.1% |
| 17 | East Londonderry | CAMPBELL, Gregory | DUP | 39,302 | 69,246 | 56.8% |
| 18 | Strangford | SHANNON, Jim | DUP | 37,485 | 66,928 | 56.0% |