Boston Borough Council in Lincolnshire, England is elected every four years. Since the last boundary changes in 2015, 30 councillors are elected from 15 wards. Political control The first election to the council was held in 1973, initially operating as a shadow authority before coming into its powers on 1 April 1974. Political control of the council since 1973 has been held by the following parties: Leadership The leaders of the council since 2006 have been: Council elections 1973 Boston Borough Council election 1976 Boston Borough Council election 1979 Boston Borough Council election (New ward boundaries) 1983 Boston Borough Council election 1987 Boston Borough Council election 1991 Boston Borough Council election 1995 Boston Borough Council election 1999 Boston Borough Council election (New ward boundaries reduced the number of seats by two) 2003 Boston Borough Council election 2007 Boston Borough Council election 2011 Boston Borough Council election 2015 Boston Borough Council election (New ward boundaries reduced the number of seats by two) 2019 Boston Borough Council election Borough result maps By-election results 1995-1999 1999-2003 2003-2007 2007-2011 2011-2015 References By-election results External links Boston Borough Council Council elections in Lincolnshire Borough of Boston District council elections in England