1977 Londonderry City Council election

Elections to Londonderry City Council were held on 18 May 1977 on the same day as the other Northern Irish local government elections. The election used five district electoral areas to elect a total of 27 councillors.

Election results
Note: "Votes" are the first preference votes.

Districts summary
!rowspan=2 align="left"|Ward ! %
 * - class="unsortable" align="centre"

!Cllrs

! %

!Cllrs

! %

!Cllrs

! %

!Cllrs

! %

!Cllrs

! %

!Cllrs

!rowspan=2|Total Cllrs

!colspan=2 bgcolor="" | SDLP !colspan=2 bgcolor="" | UUP !colspan=2 bgcolor="" | Nationalist !colspan=2 bgcolor="" | Alliance !colspan=2 bgcolor="" | DUP !colspan=2 bgcolor="white"| Others
 * - class="unsortable" align="center"
 * align="left"|Area A
 * bgcolor="#99FF66"|40.2
 * bgcolor="#99FF66"|3
 * 36.8
 * 2
 * 0.0
 * 0
 * 9.7
 * 0
 * 12.7
 * 1
 * 0.6
 * 0
 * 6
 * align="left"|Area B
 * 25.4
 * 1
 * bgcolor="40BFF5"|29.0
 * bgcolor="40BFF5"|2
 * 0.0
 * 0
 * 19.0
 * 1
 * 15.9
 * 1
 * 10.7
 * 0
 * 5
 * align="left"|Area C
 * bgcolor="#99FF66"|56.6
 * bgcolor="#99FF66"|3
 * 0.0
 * 0
 * 23.0
 * 2
 * 6.7
 * 0
 * 0.0
 * 0
 * 13.7
 * 0
 * 5
 * align="left"|Area D
 * bgcolor="#99FF66"|50.2
 * bgcolor="#99FF66"|3
 * 17.8
 * 1
 * 19.4
 * 1
 * 7.5
 * 0
 * 0.0
 * 0
 * 5.1
 * 0
 * 5
 * align="left"|Area E
 * bgcolor="#99FF66"|46.4
 * bgcolor="#99FF66"|3
 * 22.7
 * 1
 * 12.0
 * 1
 * 12.7
 * 1
 * 0.0
 * 0
 * 6.2
 * 0
 * 5
 * - class="unsortable" class="sortbottom" style="background:#C9C9C9"
 * align="left"| Total
 * 42.1
 * 13
 * 23.5
 * 6
 * 8.9
 * 4
 * 11.9
 * 2
 * 6.7
 * 2
 * 6.9
 * 0
 * 27
 * }
 * 2
 * 6.9
 * 0
 * 27
 * }
 * }

Area A
1973: 3 x United Loyalist, 2 x SDLP, 1 x Alliance

1977: 3 x SDLP, 2 x UUP, 1 x DUP

1973-1977 Change: UUP (two seats), DUP and SDLP gain from United Loyalists (three seats) and Alliance

Area B
1973: 3 x United Loyalist, 1 x SDLP, 1 x Alliance

1977: 2 x UUP, 1 x DUP, 1 x SDLP, 1 x Alliance

1973-1977 Change: UUP (two seats) and DUP gain from United Loyalist (three seats)

Area C
1973: 3 x SDLP, 1 x Nationalist, 1 x Republican Clubs

1977: 3 x SDLP, 2 x Nationalist

1973-1977 Change: Nationalist gain from Republican Clubs

Area D
1973: 2 x SDLP, 1 x Nationalist, 1 x Alliance, 1 x United Loyalist

1977: 3 x SDLP, 1 x Nationalist, 1 x UUP

1973-1977 Change: SDLP and UUP gain from Alliance and United Loyalist

Area E
1973: 2 x SDLP, 2 x United Loyalist, 1 x Alliance, 1 x Nationalist

1977: 3 x SDLP, 1 x UUP, 1 x Alliance, 1 x Nationalist

1973-1977 Change: SDLP gain from United Loyalist