Independents 4, Middlesbrough Independent Councillors Association 3, Marton Independent Group 2. Principal port town on Teesside, with heavy industry; old housing is being redeveloped.
There are byelections in Ayresome ward (held by Labour) and Park End and Beckfield ward (held by an Independent) on 13 July. The Conservatives gained a seat from Labour in Coulby Newham on 13 April.
Next local elections