Marleston, SA
Suburb profile from official open data — demographics, market signals, schools and safety.
At a glance
- Population
- 1,950
- Median age
- 37
- Household income
- $1,418/wk
- Owner-occupied
- 52%
- Renting
- 47%
- Socio-economic advantage
- Decile 5/10 in SA
- Nearest emergency dept
- Royal Adelaide Hospital · 3.6 km
Sources: ABS Census 2021 & SEIFA 2021 (CC BY 4.0); distances are straight-line from the suburb's address centroid.
Current market rent
$635/wk
median of 5 new leases, Jan-Mar 2026 · houses $635 · units $280
Official state bond/rent data (CC BY), suburb level.
Community safety
114 recorded incidents in 2025 · down 9.5% vs 2024
Growth & supply · Plympton
District population (2025)
28,617
+16% over 10 years
New homes approved (12 mths to May 2026)
275
houses 84 · other 191
ABS statistical district (SA2) containing the suburb centre (CC BY 4.0).
Check any address in Marleston
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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.