The 2017 Dorset County Council election took place on 4 May 2017 as part of the 2017 local elections in the United Kingdom. All 46 councillors were elected from 40 electoral divisions, which returned either one or two county councillors each by first-past-the-post voting for a four-year term of office.
Boundary changes to the electoral divisions, saw an increase in councillors from 45 to 46 and decrease in electoral wards from 42 to 40, took effect at this election after a review of the county by the Local Government Boundary Commission for England.
Election result summary
Election result by division
Beaminster
Blackmore Vale
Blandford Forum
Bridport
Broadwey
Burton Grange
Chickerell and Chesil Bank
Christchurch Central
Colehill East and Stapehill
Colehill West and Wimborne Minster
Commons
Corfe Mullen
Cranborne Chase
Dorchester
Ferndown
Gillingham
Hambledon
Linden Lea
Lodmoor
Lytchett Minster and Upton
Marshwood Vale
Moors
Mudeford and Highcliffe
North West Purbeck
Portland Harbour
Portland Tophill
Rodwell
Shaftesbury
Sherborne Rural
Sherborne Town
South Purbeck
Stalbridge and The Beacon
Swanage
Three Valleys
Verwood
Walkford
Wareham
Westham
Weymouth Town
Winterborne
By-elections between 2017 and 2019 Bridport A by-election was held for the Bridport ward of Dorset County Council on 22 February 2018 following the resignation of Liberal Democrat councillor Ros Kayes.
Ferndown A by-election was held for the Ferndown ward of Dorset County Council on 25 October 2018 following the death of Conservative councillor Steve Lugg.
References