CASTLEREAGH SOUTH DEA
| Total number of candidates to be elected | 7 |
| Eligible electorate | 17,351 |
| Total votes polled | 9,130 |
| Percentage turnout | 52.62% |
| Valid Votes | 9077 |
| Invalid Votes | 53 |
| Electoral Quota | 1135 |
| Surname | First Name | Party |
| Eastwood | Sorcha | Alliance Party |
| Anderson | Nathan | Democratic Unionist Party |
| Guy | Michelle | Alliance Party |
| Gallen | John | Social Democratic & Labour Party |
| Carlin | Ryan | Sinn Fein |
| Lee | Simon | Green Party Northern Ireland |
| Henderson | Michael | Ulster Unionist Party |