Councils across South Australia are required to periodically conduct Representation Reviews, to ensure their structure and compositions remain fair, equitable and responsive to the evolving needs of communities.

We are reviewing our existing composition which includes examining ward boundaries and the number of elected members, while taking into account factors such as demographic trends, population projections and communities of interest.

Our elected body is currently comprised of the Mayor and 12 ward councillors with six wards each with two councillors.

The in-principle composition that was endorsed by Council for community feedback on 17 September, proposes to retain its existing structure and composition with minor changes to Ward boundaries to align with statutory quotas and tolerances set by the Electoral Commission of SA.

These include:

  • A Mayor elected by electors from the whole Council area;
  • The Council area is divided into six (6) wards, as shown in the draft Representation Review Report
  • The future elected body of Council comprise twelve (12) ward councillors, with two councillors representing each ward.
  • The realignment of ward boundaries for all wards.

The draft Representation Review Report and accompanying documents are available under documents on this page.

Proposed Ward Boundary Changes

The proposed changes to the Ward boundaries as part of this review process are depicted on the Proposed Ward Boundary Change Map V1.

Any changes to Council’s composition, must be certified by the Electoral Commissioner, before coming into effect at the next Local Government periodic elections in 2026.

How to make a submission

Submissions can be made via the Have your say survey below, email or by post before close of business 5pm 24 October 2024.

Send your submissions to mail@onkaparinga.sa.gov.au or via post to

Representation Review

City of Onkaparinga
PO Box 1
NOARLUNGA CENTRE SA 5168

Current ward

The current structure and composition being:

  • A mayor elected by electors from the whole Council area.
  • Six (6) wards.
  • 12 ward Councillors, two (2) elected from each ward.

Proposed wards

The in-principle composition that was endorsed by Council for community feedback on 17 September, proposes to retain its existing structure and composition with minor changes to Ward boundaries to align with statutory quotas and tolerances set by the Electoral Commission of SA.

These include:

  • A Mayor elected by electors from the whole Council area.
  • The Council area is divided into six (6) wards, as shown in the draft Representation Review Report.
  • The future elected body of Council comprise twelve (12) ward councillors, with two councillors representing each ward.
  • The realignment of ward boundaries for all wards.
    • Aldinga: currently split across South Coast and Southern Vales under the existing structure, is to be included, in full in the South Coast Ward.
    • O’Halloran Hill and Darlington: currently in the Pimpala Ward under the existing structure, are to be included in Thalassa Ward.
    • Reynella: currently in the Mid Coast Ward in the existing structure, is to be moved to Knox Ward.
    • Old Reynella: currently in Knox Ward will be moved to Pimpala Ward.
Click here to open our interactive map and find out which ward you are currently in. open in new window

Have your say

Engagement open until 24 October