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ABS 2021 Census · Updated 21 May 2026
Tilley Swamp is a regional centre in South Australia, Australia, with a population of approximately 16, making it a boutique locality. Located approximately 197 km from the Adelaide CBD, Tilley Swamp is a regional area in South Australia. The median household income is $71,500 per year.
Lower income levels in Tilley Swamp 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 Tilley Swamp. 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 Tilley Swamp 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.
Tilley Swamp is a smaller community of 16 — about 0% 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 $71,500/year is 12% 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 $300 translates to approximately $15,600/year in gross rental income, setting the upper bound on yield before vacancy, rates, insurance and maintenance. Tilley Swamp is 197 km from Adelaide, so the local market tracks regional employment and lifestyle drivers more than CBD-driven commuter demand.
How Tilley Swamp stacks up against the median of all South Australia suburbs in our dataset. Positive values mean Tilley Swamp sits above the state median; negative means below.
| Metric | Tilley Swamp | SA median | Δ vs state |
|---|---|---|---|
| Population | 16 | 3,699 | -100% |
| Median household income | $71,500/yr | $80,964/yr | -12% |
| Median rent (weekly) | $300 | $320 | -6% |
| Distance to CBD | 197 km | 13 km | +1415% |
| Separate houses | 73% | 73% | 0pp |
Pre-inspection briefing for Tilley Swamp — every item is derived from public datasets, with full citations in our data sources page.
Limited buy-and-hold upside: a small population of 16 means liquidity is thin and capital growth tends to lag the wider South Australia market over full cycles.
Gross rent of $300/week (~$15,600/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.
With 73% houses in a 16-person market, renovation margins depend on individual street and aspect rather than any suburb-wide story — do comparable-sales analysis before committing capital.
Run the numbers on a Tilley Swamp property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →Capital-growth expectations for Tilley Swamp are modest for 2026 — incomes 12% below the SA median of $80,964 and a population of 16 suggest gains will lag headline metro markets. Rents sit around $300/week, setting the baseline gross rental income at roughly $15,600/year — refine this against current listings before running your numbers. The EquitySight investment score of 33/100 places Tilley Swamp 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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Tilley Swamp scores 33/100 on our EquitySight investment framework — a weak rating. That score is driven by a population of 16, median household income of $71,500/year and median weekly rent of $300. 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 Tilley Swamp are a median household income of $71,500/year, a dwelling mix that is 73% 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.
Tilley Swamp has a usual resident population of approximately 16, 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.
Tilley Swamp sits 197 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 $300 in Tilley Swamp, equating to approximately $15,600/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 Tilley Swamp. 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 Tilley Swamp 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 (16 residents), interest-rate sensitivity, 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.