A general election to the 57th Parliament of the United Kingdom with an electorate of 46,836,533, having 32,204,184 valid votes and 74,188 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 | Invalid vote count | Majority | Declaration time |
| 1 | North Down | HERMON, Sylvia | Ind | 39,185 | 83 | 1,208 | Friday 9 at 01:13 |
| 2 | Strangford | SHANNON, Jim | DUP | 38,749 | 77 | 18,343 | Friday 9 at 01:28 |
| 3 | Lagan Valley | DONALDSON, Jeffrey M. | DUP | 44,926 | 118 | 19,229 | Friday 9 at 01:29 |
| 4 | East Londonderry | CAMPBELL, Gregory | DUP | 41,030 | 124 | 8,842 | Friday 9 at 02:06 |
| 5 | Belfast West | MASKEY, Paul | SF | 40,633 | 190 | 21,652 | Friday 9 at 02:18 |
| 6 | South Antrim | GIRVAN, Paul | DUP | 43,170 | 122 | 3,208 | Friday 9 at 02:26 |
| 7 | North Antrim | PAISLEY, Ian | DUP | 48,460 | 112 | 20,643 | Friday 9 at 02:40 |
| 8 | Foyle | MCCALLION, Elisha | SF | 45,965 | 177 | 169 | Friday 9 at 02:45 |
| 9 | East Antrim | WILSON, Sammy | DUP | 38,143 | 126 | 15,923 | Friday 9 at 02:51 |
| 10 | Belfast East | ROBINSON, Gavin | DUP | 42,890 | 93 | 8,474 | Friday 9 at 02:53 |
| 11 | Belfast North | DODDS, Nigel | DUP | 45,936 | 158 | 2,081 | Friday 9 at 03:09 |
| 12 | South Down | HAZZARD, Chris | SF | 50,893 | 189 | 2,446 | Friday 9 at 03:15 |
| 13 | Mid Ulster | MOLLOY, Francie | SF | 46,694 | 278 | 12,890 | Friday 9 at 03:16 |
| 14 | Belfast South | LITTLE PENGELLY, Emma | DUP | 43,705 | 130 | 1,996 | Friday 9 at 03:20 |
| 15 | Upper Bann | SIMPSON, David | DUP | 51,258 | 173 | 7,992 | Friday 9 at 03:34 |
| 16 | West Tyrone | MCELDUFF, Barry | SF | 43,486 | 189 | 10,342 | Friday 9 at 03:42 |
| 17 | Newry and Armagh | BRADY, Mickey | SF | 53,579 | 321 | 12,489 | Friday 9 at 03:48 |
| 18 | Fermanagh and South Tyrone | GILDERNEW, Michelle | SF | 53,481 | 226 | 875 | Friday 9 at 04:09 |