Between the council periodic elections that take place every four years, the Electoral Commission SA is occasionally required to hold elections to fill vacancies that arise on councils.
Council supplementary elections currently taking place in South Australia include:
Polling September 2025 Supplementary Elections (Voting has commenced)
- Town of Gawler, Mayor
- Yorke Peninsula Council, Mayor
- District Council of Orroroo Carrieton, Area Councillor
- Adelaide Hills Council, Ranges Ward
- Adelaide Hills Council, Valleys Ward
- City of Norwood Payneham & St Peters, St Peters Ward
- Mount Barker District Council, South Ward
Polling October 2025 (Candidate nomination portal has opened)
- District Council of Kimba - Area Councillor
- City of Norwood Payneham & St Peters, West Norwood/Kent Town Ward
Polling November 2025
Results announced;
For information and the results of past council elections, visit the our past council elections results page.
To review election reports, visit our publications page.
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