Elections to Salford Borough Council were held on Monday, 1 November 1920. One third of the councillors seats were up for election, with each successful candidate to serve a three-year term of office. The council remained under no overall control.
At the meeting of the council on 9 November 1920, the terms of office of eight aldermen expired.
The following eight were elected as aldermen by the council on 9 November 1920 for a term of six years.
Caused by the resignation on 27 October 1920 of Alderman Sir William Stephens (Liberal, elected as an alderman by the council on 9 November 1901).
In his place, Councillor Frederick Hampson (Conservative, Ordsall, elected 11 June 1901) was elected as an alderman by the council on 9 November 1920.
Caused by the death on 17 August 1921 of Alderman Henry Linsley (Conservative, elected as an alderman by the council on 9 November 1898).
In his place, Councillor W. P. Burnley (Liberal, Kersal, elected 1 November 1901) was elected as an alderman by the council on 5 October 1921.
Caused by the resignation on 18 October 1921 of Alderman Anthony Hailwood (Liberal, elected as an alderman by the council on 1 September 1921).
In his place, Councillor S. H. Lees (Conservative, Trinity, elected 1 November 1902) was elected as an alderman by the council on 26 October 1921.
Caused by the election as an alderman of Councillor Frederick Hampson (Conservative, Ordsall, elected 11 June 1901) on 9 November 1920, following the resignation on 27 October 1920 of Alderman Sir William Stephens (Liberal, elected as an alderman by the council on 9 November 1901).
Caused by the election as an alderman of Councillor W. P. Burnley (Liberal, Kersal, elected 1 November 1901) on 5 October 1921, following the death on 17 August 1921 of Alderman Henry Linsley (Conservative, elected as an alderman by the council on 9 November 1898).