Postcode 5221
American River, Muston, Ballast Head · SA
Whole postcode 748 addresses · 341 people
Share of the postcode's people (Census 2021) in each area.
| Federal electorate (2025) | Mayo |
|---|---|
| State/territory electorate (2025) | Mawson |
| Local government area (2025) | Kangaroo Island |
| Statistical Area 2 (2026) | Kangaroo Island |
| Statistical Area 3 (2026) | Fleurieu - Kangaroo Island |
| Statistical Area 4 (2026) | South Australia - South East |
| Greater capital city area (2026) | Rest of SA |
| Remoteness area (2021) | Remote Australia |
| ABS postal area (2021) | 5221 5223 |
Suburbs and localities
American River 673 addresses · 290 people
Coordinates: -35.78060, 137.77030
| Federal electorate (2025) | Mayo |
|---|---|
| State/territory electorate (2025) | Mawson |
| Local government area (2025) | Kangaroo Island |
| Statistical Area 2 (2026) | Kangaroo Island |
| Statistical Area 3 (2026) | Fleurieu - Kangaroo Island |
| Statistical Area 4 (2026) | South Australia - South East |
| Greater capital city area (2026) | Rest of SA |
| Remoteness area (2021) | Remote Australia |
| ABS suburb/locality (2021) | American River Ballast Head |
| ABS postal area (2021) | 5221 |
Muston 47 addresses · 34 people
Coordinates: -35.81214, 137.74343
| Federal electorate (2025) | Mayo |
|---|---|
| State/territory electorate (2025) | Mawson |
| Local government area (2025) | Kangaroo Island |
| Statistical Area 2 (2026) | Kangaroo Island |
| Statistical Area 3 (2026) | Fleurieu - Kangaroo Island |
| Statistical Area 4 (2026) | South Australia - South East |
| Greater capital city area (2026) | Rest of SA |
| Remoteness area (2021) | Remote Australia |
| ABS suburb/locality (2021) | Muston |
| ABS postal area (2021) | 5221 |
Ballast Head 28 addresses · 17 people
Coordinates: -35.75812, 137.78386
| Federal electorate (2025) | Mayo |
|---|---|
| State/territory electorate (2025) | Mawson |
| Local government area (2025) | Kangaroo Island |
| Statistical Area 2 (2026) | Kangaroo Island |
| Statistical Area 3 (2026) | Fleurieu - Kangaroo Island |
| Statistical Area 4 (2026) | South Australia - South East |
| Greater capital city area (2026) | Rest of SA |
| Remoteness area (2021) | Remote Australia |
| ABS suburb/locality (2021) | Ballast Head Nepean Bay |
| ABS postal area (2021) | 5221 5223 |
Areas are assigned from the location of every address in the postcode, so a postcode that straddles a boundary shows each area with its share. People and dwellings are Census 2021 counts, apportioned to addresses within each mesh block; "—" means an area with no residents. About the data.