See main article: Northern Ireland local elections, 1985.
| Election Name: | 1985 Cookstown District Council election |
| Type: | parliamentary |
| Ongoing: | no |
| Previous Election: | 1981 Cookstown District Council election |
| Previous Year: | 1981 |
| Next Election: | 1989 Cookstown District Council election |
| Next Year: | 1989 |
| Seats For Election: | All 16 seats to Cookstown District Council |
| Majority Seats: | 9 |
| Party1: | Democratic Unionist Party |
| Seats1: | 5 |
| Seat Change1: | 2 |
| Party2: | Sinn Féin |
| Seats2: | 4 |
| Seat Change2: | 4 |
| Party3: | Ulster Unionist Party |
| Seats3: | 3 |
| Seat Change3: | 1 |
| Party4: | Social Democratic and Labour Party |
| Seats4: | 3 |
| Seat Change4: | 2 |
| Party5: | Independent Unionist |
| Seats5: | 1 |
| Seat Change5: | 1 |
| Party6: | United Ulster Unionist Party |
| Seats6: | 0 |
| Seat Change6: | 1 |
| Party7: | Independent (politician) |
| Seats7: | 0 |
| Seat Change7: | 1 |
| Party8: | Independent Republican (Ireland) |
| Seats8: | 0 |
| Seat Change8: | 1 |
Elections to Cookstown District Council were held on 15 May 1985 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.
Note: "Votes" are the first preference votes.
|- class="unsortable" align="centre"!rowspan=2 align="left"|Ward! %
!Cllrs
! %
!Cllrs
! %
!Cllrs
! %
!Cllrs
! %
!Cllrs
!rowspan=2|Total
Cllrs
|- class="unsortable" align="center"!colspan=2 bgcolor="" | DUP!colspan=2 bgcolor="" | Sinn Féin!colspan=2 bgcolor="" | UUP!colspan=2 bgcolor="" | SDLP!colspan=2 bgcolor="white"|
1985: 2 x DUP, 2 x Sinn Féin, 1 x SDLP, 1 x UUP
1985: 2 x DUP, 1 x UUP, 1 x SDLP, 1 x Sinn Féin
1985: 1 x Sinn Féin, 1 x DUP, 1 x UUP, 1 x SDLP, 1 x Independent Unionist