Elections to Ards Borough Council were held on 5 May 2005 on the same day as the other Northern Irish local government elections. The election used four district electoral areas to elect a total of 23 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 /> !rowspan=2|Total<br />Cllrs<br /> |- class="unsortable" align="center" !colspan=2 bgcolor="" | <span style="color:black;">DUP</span> !colspan=2 bgcolor="" | <span style="color:black;">UUP</span> !colspan=2 bgcolor="" | <span style="color:black;">Alliance</span> !colspan=2 bgcolor="" | <span style="color:black;">SDLP</span> !colspan=2 bgcolor="white"| <span style="black;">Others</span> |- |align="left"|Ards East |bgcolor="#D46A4C"|56.1 |bgcolor="#D46A4C"|4 |28.6 |2 |11.2 |0 |0.0 |0 |4.1 |0 |6 |- |align="left"|Ards West |bgcolor="#D46A4C"|53.0 |bgcolor="#D46A4C"|3 |31.8 |2 |15.3 |1 |0.0 |0 |0.0 |0 |6 |- |align="left"|Newtownards |bgcolor="#D46A4C"|50.8 |bgcolor="#D46A4C"|2 |24.3 |2 |14.4 |1 |0.0 |0 |10.5 |0 |6 |- |align="left"|Peninsula |bgcolor="#D46A4C"|48.8 |bgcolor="#D46A4C"|2 |11.4 |1 |16.0 |1 |14.8 |1 |9.0 |0 |5 |- class="unsortable" class="sortbottom" style="background:#C9C9C9" |align="left"| Total |52.4 |12 |24.5 |7 |14.1 |3 |3.4 |1 |5.6 |0 |23 |-
2001: 3 x UUP, 2 x DUP, 1 x Alliance<br /> 2005: 4 x DUP, 2 x UUP<br /> 2001-2005 Change: DUP gain (two seats) from UUP and Alliance
2001: 3 x DUP, 2 x UUP, 1 x Alliance<br /> 2005: 3 x DUP, 2 x UUP, 1 x Alliance<br /> 2001-2005 Change: No change
2001: 2 x DUP, 2 x UUP, 1 x Alliance, 1 x Independent<br /> 2005: 3 x DUP, 2 x UUP, 1 x Alliance<br /> 2001-2005 Change: DUP gain from Independent
2001: 2 x DUP, 1 x Alliance, 1 x SDLP, 1 x UUP<br /> 2005: 2 x DUP, 1 x Alliance, 1 x SDLP, 1 x UUP<br /> 2001-2005 Change: No change