Middle River is in Kangaroo Island LGA, SA, postcode 5223, with population 23.
The page is still useful for local context, but the evidence stack is too thin for a clean one-page call. Use nearby stronger suburbs or compare mode before treating it as a serious shortlist decision.
Evidence depth is verify-heavy, so the profile should be treated as provisional. The page is thin enough that nearby alternatives should be checked before shortlisting. Small local population makes the signal set more fragile.
Price series isn't recorded for this suburb. Census housing data is shown instead.
This suburb 19% · SA median 18%
Nationally · lighter rent burden than 51% of AU suburbs
ABS population projection (2022 base) for the Kangaroo Island SA2 statistical area — the finest official projection grain available; suburb-level projections do not exist.
Located in South Australia within the Kangaroo Island local government area, Middle River is a sparsely populated locality (postcode 5223). The area has roughly 23 residents and a mature demographic, with a median age of 45. Households earn a median income of $58K per year, with an average household size of 1.9 people. Recent annual estimates show population movement staying broadly stable across the broader catchment, with population growth running at +0.8% year-on-year at the LGA level. SA employment has moved +2.1% year-on-year in the official ABS Labour Force trend series, which provides the broader jobs backdrop for this suburb. SA also had 21 Commonwealth-backed major projects under construction, 7 underway, and 7 in planning as at 2025-09-01, which is useful as a broader delivery backdrop rather than a suburb-specific project count. The most common occupations are managers, labourers. Employment in the area leans toward agriculture and admin services. The top ancestries reported are English, Australian, Irish.
The median weekly rent is $210 (Census 2021).
On the investment side, Population growth of +0.8% year-on-year points to stable demand fundamentals. Building approvals have changed +0% year-on-year, indicating steady development activity.
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Much of Middle River rests on evidence that should be verified before a decision.
QuickProperty mixes release files, Census baselines, and matched local services on this page. Read the status panel before treating every metric as equally fresh.
Official quarterly house sales workbooks; units remain on ABS fallback coverage
This gives you directional coverage, but it is weaker than a current rent release.
Schools, transport, and hospitals are useful as presence signals, but they still have different source cadences.
This page stays indexable because Middle River is a real locality with enough context to be directionally useful. The tradeoff is that coverage is lighter than a stronger suburb profile, so the read should stay cautious.
Small-population localities can still be worth checking, but rankings, comparisons, and broad suburb assumptions become noisier faster.
The lighter areas here are school matches, hospital coverage, transport stops, and crime coverage, so a single-page read should carry less weight than usual.
Start here for context, then open compare, the state hub, or larger nearby suburbs before treating this as a complete market decision.
This page remains visible, but it should be read as a locality brief rather than a full-confidence suburb profile.
Read it as a direction-setter rather than a final answer: frame the locality, then verify with compare, stronger nearby suburbs, and the state hub.
If Middle River feels too thin on its own, use these nearby suburbs as stronger local reads before making a shortlist decision.
pop same · rent +$15/wk
Similar local read: useful for context, but still compare the actual market signals.
pop same · rent +$40/wk
Similar local read: useful for context, but still compare the actual market signals.
Middle River is in the Kangaroo Island Local Government Area, SA, postcode 5223. Council-level context for Kangaroo Island LGA (suburb mix, population, rent, and price coverage) is available on the QuickProperty LGA page.
The median weekly rent in Middle River is $210/wk, based on ABS Census 2021 rent fallback.
QuickProperty's investment signals for Middle River show: Stable, Steady. These are computed from price, rent, income, and population data — not an opaque score.
Property prices come from state Valuers General offices and ABS Data by Region. Demographics are from ABS Census 2021. School ICSEA scores are from ACARA. Crime statistics are from state police agencies. Transport data is sourced from GTFS feeds.
Property prices update quarterly. RBA macro indicators update with each deploy. Demographics are from Census 2021. School ICSEA scores are from ACARA 2025.