Elections to Dungannon District Council were held on 17 May 1989 on the same day as the other Northern Irish local government elections. The election used four district electoral areas to elect a total of 22 councillors.
<small>Note: "Votes" are the first preference votes.</small>
|- class="unsortable" align="centre" !rowspan=2 align="left"|Ward ! % <br /> !Cllrs<br /> ! % <br /> !Cllrs<br /> ! %<br /> !Cllrs<br /> ! %<br /> !Cllrs<br /> ! % <br /> !Cllrs<br /> ! % <br /> !Cllrs<br /> !rowspan=2|Total<br />Cllrs<br /> |- class="unsortable" align="center" !colspan=2 bgcolor="" | <span style="color:black;">UUP</span> !colspan=2 bgcolor="" | <span style="color:black;">SDLP</span> !colspan=2 bgcolor="" | <span style="color:black;">Sinn Féin</span> !colspan=2 bgcolor="" | <span style="color:black;">DUP</span> !colspan=2 bgcolor="" | <span style="color:black;"> Workers' Party</span> !colspan=2 bgcolor="white"| <span style="black;">Others</span> |- |align="left"|Blackwater |bgcolor="40BFF5"|49.0 |bgcolor="40BFF5"|3 |17.1 |1 |10.4 |0 |23.5 |1 |0.0 |0 |0.0 |0 |5 |- |align="left"|Clogher Valley |bgcolor="40BFF5"|38.5 |bgcolor="40BFF5"|2 |29.5 |1 |16.5 |1 |15.5 |1 |0.0 |0 |0.0 |0 |5 |- |align="left"|Dungannon Town |bgcolor="40BFF5"|42.7 |bgcolor="40BFF5"|2 |13.2 |1 |13.7 |0 |14.4 |1 |5.1 |1 |10.9 |1 |6 |- |align="left"|Torrent |21.3 |1 |20.1 |2 |bgcolor="#008800"|32.6 |bgcolor="#008800"|2 |0.0 |0 |0.0 |0 |26.0 |1 |6 |- class="unsortable" class="sortbottom" style="background:#C9C9C9" |align="left"| Total |37.5 |8 |20.1 |5 |18.7 |3 |13.1 |3 |1.1 |1 |9.5 |2 |22 |-
1985: 3 x UUP, 1 x DUP, 1 x SDLP<br /> 1989: 3 x UUP, 1 x DUP, 1 x SDLP<br /> 1985-1989 Change: No change
1985: 2 x UUP, 1 x SDLP, 1 x Sinn Féin, 1 x DUP<br /> 1989: 2 x UUP, 1 x SDLP, 1 x Sinn Féin, 1 x DUP<br /> 1985-1989 Change: No change
1985: 2 x UUP, 1 x DUP, 1 x SDLP, 1 x Sinn Féin, 1 x Independent Nationalist<br /> 1989: 2 x UUP, 1 x DUP, 1 x SDLP, 1 x Workers' Party, 1 x Independent Nationalist<br /> 1985-1989 Change: Workers' Party gain from Sinn Féin
1985: 2 x Sinn Féin, 2 x SDLP, 1 x UUP, 1 x Independent Nationalist<br /> 1989: 2 x Sinn Féin, 2 x SDLP, 1 x UUP, 1 x Independent Nationalist<br /> 1985-1989 Change: No change