Elections to Ballymoney Borough Council were held on 17 May 1989 on the same day as the other Northern Irish local government elections. The election used three district electoral areas to elect a total of 16 councillors.
Election results
Note: "Votes" are the first preference votes.
Districts summary
|- class="unsortable" align="centre" !rowspan=2 align="left"|Ward ! % !Cllrs ! % !Cllrs ! % !Cllrs ! % !Cllrs !rowspan=2|TotalCllrs |- class="unsortable" align="center" !colspan=2 bgcolor="" | UUP !colspan=2 bgcolor="" | DUP !colspan=2 bgcolor="" | SDLP !colspan=2 bgcolor="white"| Others |- |align="left"|Ballymoney Town |N/A |2 |N/A |2 |N/A |0 |N/A |1 |5 |- |align="left"|Bann Valley |30.8 |2 |bgcolor="#D46A4C"|35.8 |bgcolor="#D46A4C"|2 |23.6 |2 |9.8 |0 |6 |- |align="left"|Bushvale |bgcolor="40BFF5"|40.8 |bgcolor="40BFF5"|2 |31.3 |2 |19.2 |1 |8.7 |0 |5 |- |- class="unsortable" class="sortbottom" style="background:#C9C9C9" |align="left"| Total |35.1 |6 |33.9 |6 |21.7 |3 |9.3 |1 |16
Districts results
Ballymoney Town
1985: 2 x DUP, 2 x UUP, 1 x Independent 1989: 2 x DUP, 2 x UUP, 1 x Independent 1985-1989 Change: No change
As only five candidates had been nominated for five seats, there was no vote in Ballymoney Town and all five candidates were deemed elected.
Bann Valley
1985: 2 x DUP, 2 x UUP, 1 x SDLP, 1 x Sinn Féin 1989: 2 x DUP, 2 x UUP, 2 x SDLP 1985-1989 Change: SDLP gain from Sinn Féin
Bushvale
1985: 2 x UUP, 2 x DUP, 1 x SDLP 1989: 2 x UUP, 2 x DUP, 1 x SDLP 1985-1989 Change: No change
References