Mount Gambier, SA
Suburb profile from official open data — demographics, market signals, schools and safety.
At a glance
- Population
- 25,591
- Median age
- 41
- Household income
- $1,197/wk
- Owner-occupied
- 63%
- Renting
- 33%
- Socio-economic advantage
- Decile 1/10 in SA
- Nearest emergency dept
- Mount Gambier and Districts Health Service · 2.2 km
Sources: ABS Census 2021 & SEIFA 2021 (CC BY 4.0); distances are straight-line from the suburb's address centroid.
Current market rent
$470/wk
median of 175 new leases, Jan-Mar 2026 · houses $470 · units $310
Official state bond/rent data (CC BY), suburb level.
Community safety
1,699 recorded incidents in 2025 · down 3.9% vs 2024
Growth & supply · Mount Gambier - West
District population (2025)
15,284
+6% over 10 years
New homes approved (12 mths to May 2026)
112
houses 92 · other 20
ABS statistical district (SA2) containing the suburb centre (CC BY 4.0).
Check any address in Mount Gambier
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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.