Elections to Liverpool Town Council were held on Thursday 1 November 1866. One third of the council seats were up for election, the term of office of each councillor being three years.
Twelve of the sixteen wards were uncontested.
After the election, the composition of the council was:
Because twelve of the sixteen seats were uncontested seats, these statistics should be taken in that context.
* - Retiring Councillor seeking re-election
Caused by the retirements of Councillors John Cheshyre Blythe (Conservative, elected for the Castle Street ward on 1 November 1864) and Thomas Chilton (Liberal, elected 1 November 1865).
Caused by the retirement of Councillor C. J. English (Liberal, Rodney Street, elected 1 November 1865)
Caused by the resignation of Councillor Joseph Bennion (Conservative, elected 1 November 1865)