The independent Boundary Commission is reviewing the number of councillors who run South Hams District Council to cater for changes in the population of its wards.
There are currently 40 councillors representing more than 83,000 people in the district, which covers an area of 350 sq miles. A significant shift in the population has triggered the review.
Councillors have now decided to recommend the number of representatives be cut to around 30 instead.
Any changes are expected to be consulted on next year and would not be introduced until the next Council elections in 2015.