Elections to Castlereagh Borough Council were held on 7 June 2001 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.
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="" | Alliance !colspan=2 bgcolor="" | SDLP !colspan=2 bgcolor="" | PUP !colspan=2 bgcolor="white"| Others |- |align="left"|Castlereagh Central |bgcolor="#D46A4C"|50.4 |bgcolor="#D46A4C"|3 |15.4 |1 |11.5 |1 |6.4 |0 |7.5 |1 |8.8 |0 |6 |- |align="left"|Castlereagh East |bgcolor="#D46A4C"|50.2 |bgcolor="#D46A4C"|4 |20.5 |1 |14.4 |1 |0.0 |0 |5.1 |0 |9.8 |1 |7 |- |align="left"|Castlereagh South |26.3 |1 |bgcolor="40BFF5"|27.0 |bgcolor="40BFF5"|2 |17.6 |1 |23.6 |1 |0.0 |0 |5.5 |0 |5 |- |align="left"|Castlereagh West |bgcolor="#D46A4C"|29.4 |bgcolor="#D46A4C"|2 |25.3 |1 |16.6 |1 |17.5 |1 |4.4 |0 |6.8 |0 |5 |- class="unsortable" class="sortbottom" style="background:#C9C9C9" |align="left"| Total |39.4 |10 |22.1 |5 |15.2 |4 |11.4 |2 |4.2 |1 |7.7 |1 |23
Districts results
Castlereagh Central
1997: 4 x DUP, 1 x Alliance, 1 x UUP, 1 x UKUP 2001: 4 x DUP, 1 x Alliance, 1 x UUP, 1 x PUP 1997-2001 Change: PUP gain from UKUP
Castlereagh East
1997: 4 x DUP, 1 x UUP, 1 x Alliance, 1 x Independent Unionist 2001: 4 x DUP, 1 x UUP, 1 x Alliance, 1 x Independent 1997-2001 Change: Independent gain from Independent Unionist
Castlereagh South
1997: 2 x UUP, 1 x DUP, 1 x SDLP, 1 x Alliance 2001: 2 x UUP, 1 x DUP, 1 x SDLP, 1 x Alliance 1997-2001 Change: No change
Castlereagh West
1997: 2 x DUP, 1 x UUP, 1 x SDLP, 1 x Alliance 2001: 2 x DUP, 1 x UUP, 1 x SDLP, 1 x Alliance 1997-2001 Change: No change
References