Elections to Cookstown District Council were held on 5 May 2005 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 ! % !Cllrs !rowspan=2|TotalCllrs |- class="unsortable" align="center" !colspan=2 bgcolor="" | Sinn Féin !colspan=2 bgcolor="" | SDLP !colspan=2 bgcolor="" | DUP !colspan=2 bgcolor="" | UUP !colspan=2 bgcolor="white"| Others |- |align="left"|Ballinderry |N/A |2 |N/A |2 |N/A |1 |N/A |1 |N/A |0 |6 |- |align="left"|Cookstown Central |bgcolor="#008800"|27.9 |bgcolor="#008800"|1 |21.1 |2 |26.1 |1 |23.2 |1 |1.7 |0 |5 |- |align="left"|Drum Manor |bgcolor="#008800"|38.5 |bgcolor="#008800"|2 |13.9 |1 |19.1 |1 |16.1 |1 |12.4 |0 |5 |- class="unsortable" class="sortbottom" style="background:#C9C9C9" |align="left"| Total |33.5 |5 |17.3 |5 |22.5 |3 |19.5 |3 |7.2 |0 |16 |- |}
District results
Ballinderry
2001: 2 x Sinn Féin, 2 x SDLP, 1 x DUP, 1 x UUP
2005: 2 x Sinn Féin, 2 x SDLP, 1 x DUP, 1 x UUP
2001-2005 Change: No change
As only six candidates had been nominated for six seats, there was no vote in Ballinderry and all six candidates were deemed elected.