O'Halloran Hill, SA
Suburb profile from official open data — demographics, market signals, schools and safety.
At a glance
- Population
- 2,722
- Median age
- 40
- Household income
- $1,558/wk
- Owner-occupied
- 81%
- Renting
- 18%
- Socio-economic advantage
- Decile 6/10 in SA
- Nearest emergency dept
- Flinders Medical Centre · 5.4 km
Sources: ABS Census 2021 & SEIFA 2021 (CC BY 4.0); distances are straight-line from the suburb's address centroid.
Community safety
157 recorded incidents in 2025 · up 4.0% vs 2024
Growth & supply · Happy Valley
District population (2025)
14,526
+4% over 10 years
New homes approved (12 mths to May 2026)
34
houses 26 · other 8
ABS statistical district (SA2) containing the suburb centre (CC BY 4.0).
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All figures from official open data with attribution; estimates and medians are statistical outputs, not valuations. Suburb boundaries follow ABS Suburbs and Localities (SAL) 2021.