Elections to Magherafelt District 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 15 councillors.

Note: "Votes" are the first preference votes.

1985: 2 x DUP, 1 x SDLP, 1 x UUP, 1 x Sinn Féin 1989: 2 x DUP, 1 x SDLP, 1 x UUP, 1 x Sinn Féin 1985-1989 Change: No change 1985: 2 x DUP, 1 x Sinn Féin, 1 x UUP, 1 x SDLP 1989: 2 x UUP, 1 x Sinn Féin, 1 x DUP, 1 x SDLP 1985-1989 Change: UUP gain from DUP 1985: 2 x SDLP, 2 x Sinn Féin, 1 x UUP 1989: 2 x SDLP, 1 x Sinn Féin, 1 x UUP, 1 x Independent Nationalist 1985-1989 Change: SDLP gain from Sinn Féin, Independent Nationalist leaves SDLP