The Isles of Scilly saw the highest turnout in the South West for the European election.
Some 55.39% of the islands' population cast their vote on Thursday (May 23rd).
The total turnout for the region, which also includes Gibraltar, was 40.51% (1,678,619), an increase of 3% percent on 2014.
Plymouth had the lowest voter numbers in the region with 34.89%.
St Mary's residents voted in the Council by-election at the same time, electing Tim Dean into the seat formerly occupied by Ted Moulson.
While turnout for the European Parliament election has been confirmed, the votes will not be counted until Sunday.