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ABS 2021 Census · Updated 21 May 2026
Oak Valley is a regional centre in South Australia, Australia, with a population of approximately 96, making it a boutique locality. Located approximately 961 km from the Adelaide CBD, Oak Valley is a regional area in South Australia. The median household income is $68,224 per year.
Lower income levels in Oak Valley typically translate to more affordable entry points for investors. Distance from major centres is a consideration, though regional markets can offer higher rental yields.
Official Australia Post postcode for Oak Valley. A postcode may cover multiple suburbs.
Australia Post Postcode Finder →Usual resident population at the most recent census.
Weekly median rent for occupied homes. Live rental data integration coming soon.
Annual median household income (before tax) across all households.
Straight-line distance from the suburb centroid to the nearest capital city CBD. Actual driving distance will be longer.
Estimated 1 school within or near this suburb.
Find schools near Oak Valley on My School →Estimated 1 park and green spaces near this suburb.
Monthly median mortgage repayment for households currently paying off a mortgage.
Proportion of separate houses versus units, townhouses, and other home types. Useful for investors assessing rental demand mix.
Oak Valley is a smaller community of 96 — about 3% of the South Australia suburb median (3,699) — so investors should factor in the narrower buyer pool and longer average time-on-market. Household income of $68,224/year is 16% below the South Australia median of $80,964, typically translating into lower entry prices and a tenant base more sensitive to rent increases. The median weekly rent of $50 translates to approximately $2,600/year in gross rental income, setting the upper bound on yield before vacancy, rates, insurance and maintenance. Oak Valley is 961 km from Adelaide, so the local market tracks regional employment and lifestyle drivers more than CBD-driven commuter demand. Only 50% of dwellings are separate houses (vs 73% state median), so this is a unit-heavy market where body-corporate decisions and strata supply meaningfully shape investor returns.
How Oak Valley stacks up against the median of all South Australia suburbs in our dataset. Positive values mean Oak Valley sits above the state median; negative means below.
| Metric | Oak Valley | SA median | Δ vs state |
|---|---|---|---|
| Population | 96 | 3,699 | -97% |
| Median household income | $68,224/yr | $80,964/yr | -16% |
| Median rent (weekly) | $50 | $320 | -84% |
| Distance to CBD | 961 km | 13 km | +7292% |
| Separate houses | 50% | 73% | -23pp |
Pre-inspection briefing for Oak Valley — every item is derived from public datasets, with full citations in our data sources page.
Limited buy-and-hold upside: a small population of 96 means liquidity is thin and capital growth tends to lag the wider South Australia market over full cycles.
Gross rent of $50/week (~$2,600/year) sets the yield ceiling. Cross-check against your purchase price to confirm whether this suburb hits the 4–5% gross yield most Australian investors target.
Only 50% of dwellings are separate houses (vs 73% SA median) — this is a unit and townhouse market, where cosmetic flips struggle against body-corporate restrictions, thinner after-reno uplift and competing new supply.
Run the numbers on a Oak Valley property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →Capital-growth expectations for Oak Valley are modest for 2026 — incomes 16% below the SA median of $80,964 and a population of 96 suggest gains will lag headline metro markets. Rents sit around $50/week, setting the baseline gross rental income at roughly $2,600/year — refine this against current listings before running your numbers. The EquitySight investment score of 32/100 places Oak Valley in the lower tier of Australian suburbs we profile, and overall investor sentiment is cautious heading into the second half of 2026.
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Oak Valley scores 32/100 on our EquitySight investment framework — a weak rating. That score is driven by a population of 96, median household income of $68,224/year and median weekly rent of $50. Whether it fits your portfolio depends on whether you are targeting cash flow, capital growth, or a value-add renovation — all three are scored with suburb-specific numbers elsewhere on this page.
The main demand drivers in Oak Valley are a median household income of $68,224/year, a dwelling mix that is 50% separate houses, roughly 1 schools and 1 parks within the catchment. Together these shape both owner-occupier and tenant demand and are the factors we weight most heavily in the suburb's investment score.
Oak Valley has a usual resident population of approximately 96, compared with a South Australia suburb median of 3,699 — placing it in the lower half of the state's suburbs by size. Population is the clearest proxy for market depth: more residents mean more transactions and typically a shorter average days-on-market on resale.
Oak Valley sits 961 km straight-line from the Adelaide CBD. This is a regional market where CBD distance is only indicative — local industry diversity and commute alternatives matter more.
The most recent census recorded a median weekly rent of $50 in Oak Valley, equating to approximately $2,600/year in gross rental income (state median $320/week). Market rents have typically drifted above the recorded figure — verify against current listings on realestate.com.au and Domain before making an offer.
A reliable median mortgage figure was not captured for Oak Valley. Use our loan serviceability calculator to estimate a realistic monthly repayment for your target purchase price and deposit.
Census data was not complete enough in Oak Valley to compute a clean rent-to-mortgage coverage. Use current listings to benchmark weekly rent, then plug your expected purchase price into our rental yield calculator to see whether the investment runs cash-flow positive or negative.
The main risks are a thin buyer pool (96 residents), interest-rate sensitivity, below-median household incomes ($68,224 vs $80,964 state median), the broader South Australia market cycle. Each of these is covered in the Risk Factors section above with suburb-specific numbers rather than generic warnings.
Every number on this page comes from the ABS 2021 Census of Population and Housing, Australia Post postcode reference data, and OpenStreetMap amenity tiles. The investment score, strategy verdicts, and comparison table are computed deterministically from those inputs — no opinion, no estimation. See our full methodology and the data sources and licences for the formulas we use.