Elections to Purbeck Council were held on 7 May 1998. One third of the council was up for election and the council stayed under no overall control.
After the election, the composition of the council was
| Purbeck Local Election Result 1998 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Party | Seats | Gains | Losses | Net gain/loss | Seats % | Votes % | Votes | +/- | ||
| Independent | 4 | 0 | 50.0 | |||||||
| Conservative | 3 | +3 | 37.5 | |||||||
| Liberal Democrat | 1 | -3 | 12.5 | |||||||
| Preceded by Purbeck Council election, 1996 |
Purbeck local elections | Succeeded by Purbeck Council election, 1999 |