O'Sullivan Beach
SA 5166 • Greater Adelaide
About O'Sullivan Beach
O'Sullivan Beach is an accessible, family-friendly suburb in South Australia, located within the Onkaparinga (City) area. With a population of 1,844 and a median income of $31,148, the suburb attracts families, first-home buyers, and a diverse multicultural community. Covering 1.86 km² at an elevation of 38m, it offers a comfortable living environment in the Greater Adelaide.
As part of Greater Adelaide, the suburb offers excellent value and a relaxed South Australian lifestyle. Residents enjoy access to local amenities, wine regions, and beautiful beaches within easy reach. O'Sullivan Beach combines affordability with quality of life.
O'Sullivan Beach falls under postcode 5166 and is governed by Onkaparinga Council (LGA). For state elections, residents vote in the Reynell electorate.
Location
Supermarkets Nearby
No major supermarkets listed for this suburb.
Schools
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51 Galloway Road
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53 Galloway Road
Housing Costs 2021 Census
Demographics
Population Growth
Gender Distribution (Census 2021)
Income Comparison
Country of Birth 2021 Census
Top Countries of Birth (excl. Australia)
- 1. England 157
- 2. Germany 25
- 3. New Zealand 22
- 4. South Africa 19
- 5. Scotland 15
- 6. China 9
- 7. Netherlands 9
- 8. United States 9
- 9. Japan 7
- 10. Papua New Guinea 6
- 11. Philippines 6
- 12. Wales 6
- 13. Ireland 5
- 14. Italy 5
- 15. Indonesia 4
Ancestry 2021 Census
Top ancestries reported (people may report up to two)