 The City of Plymouth is divided into 20 wards , 17 of which elect three councillors and the other three electing two councillors , making up a total council of 57 . Each year a third of the council is up for election for three consecutive years – there are no elections on the following " fourth " year , which is when County Council elections take place . The total electorate for Plymouth was 188 @,@ 924 in April 2015 . The local election of 7 May 2015 resulted in a political composition of 28 Labour councillors , 26 Conservative and 3 UKIP resulting in a Labour administration . Plymouth City Council is formally twinned with : Brest , France ( 1963 ) , Gdynia , Poland ( 1976 ) , Novorossiysk , Russia ( 1990 ) San Sebastián , Spain ( 1990 ) and Plymouth , United States ( 2001 ) . 
