Millbrook, SA
Suburb profile from official open data — demographics, market signals, schools and safety.
At a glance
- Population
- 133
- Median age
- 50
- Household income
- $1,031/wk
- Owner-occupied
- 80%
- Renting
- 16%
- Socio-economic advantage
- Decile 9/10 in SA
- Nearest emergency dept
- Modbury Hospital · 11.3 km
Sources: ABS Census 2021 & SEIFA 2021 (CC BY 4.0); distances are straight-line from the suburb's address centroid.
Community safety
2 recorded incidents in 2025 · down 0.0% vs 2024
Growth & supply · Adelaide Hills
District population (2025)
7,256
+5% over 10 years
New homes approved (12 mths to Apr 2026)
19
houses 19 · other 0
ABS statistical district (SA2) containing the suburb centre (CC BY 4.0).
Check any address in Millbrook
Verified address records with local data — no paywall, no sign-up.
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.