Elections to Antrim Borough Council were held on 5 May 2011 on the same day as the other Northern Irish local government elections. The election used three district electoral areas to elect a total of 19 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 ! % !Cllrs !rowspan=2|TotalCllrs |- class="unsortable" align="center" !colspan=2 bgcolor="" | DUP !colspan=2 bgcolor="" | UUP !colspan=2 bgcolor="" | Sinn Féin !colspan=2 bgcolor="" | SDLP !colspan=2 bgcolor="" | Alliance !colspan=2 bgcolor="white"| Others |- |align="left"|Antrim North West |30.9 |1 |10.4 |1 |bgcolor="#008800"|29.0 |bgcolor="#008800"|2 |24.6 |1 |5.1 |0 |0.0 |0 |5 |- |align="left"|Antrim South East |bgcolor="#D46A4C"|28.7 |bgcolor="#D46A4C"|2 |21.7 |2 |12.5 |1 |11.6 |1 |17.5 |1 |8.0 |0 |7 |- |align="left"|Antrim Town |bgcolor="#D46A4C"|32.9 |bgcolor="#D46A4C"|2 |26.4 |2 |12.4 |1 |16.7 |1 |7.2 |1 |4.4 |0 |7 |- |- class="unsortable" class="sortbottom" style="background:#C9C9C9" |align="left"| Total |30.6 |5 |19.9 |5 |17.2 |4 |16.5 |3 |11.3 |2 |4.5 |0 |19

Districts results

Antrim North West

2005: 2 x Sinn Féin, 1 x DUP, 1 x SDLP, 1 x UUP 2011: 2 x Sinn Féin, 1 x DUP, 1 x SDLP, 1 x UUP 2005-2011 Change: No change

Antrim South East

2005: 2 x DUP, 2 x UUP, 1 x SDLP, 1 x Sinn Féin, 1 x Alliance 2011: 2 x DUP, 2 x UUP, 1 x SDLP, 1 x Sinn Féin, 1 x Alliance 2005-2011 Change: No change

Antrim Town

2005: 3 x DUP, 2 x UUP, 1 x Alliance, 1 x SDLP 2011: 2 x DUP, 2 x UUP, 1 x Alliance, 1 x Sinn Féin, 1 x SDLP 2005-2011 Change: Sinn Féin gain from DUP

References