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ABS 2021 Census · Updated 21 May 2026
Port Davis is a regional centre in South Australia, Australia, with a population of approximately 4, making it a boutique locality. Located approximately 199 km from the Adelaide CBD, Port Davis is a regional area in South Australia. The median household income is $53,248 per year.
Port Davis's income profile suggests a value-oriented market with competitive purchase prices. Distance from major centres is a consideration, though regional markets can offer higher rental yields.
Official Australia Post postcode for Port Davis. 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 Port Davis 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.
Port Davis is a smaller community of 4 — 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. Port Davis's median household income of $53,248/year is 34% below the South Australia suburb median ($80,964) — this is an affordability play where returns lean on yield and patient capital growth rather than demographic premium. Port Davis is 199 km from Adelaide, so the local market tracks regional employment and lifestyle drivers more than CBD-driven commuter demand. Separate houses make up 100% of dwellings — 27 percentage points above the South Australia median of 73% — pointing to a family-oriented, land-rich market where value is concentrated in the underlying block.
How Port Davis stacks up against the median of all South Australia suburbs in our dataset. Positive values mean Port Davis sits above the state median; negative means below.
| Metric | Port Davis | SA median | Δ vs state |
|---|---|---|---|
| Population | 4 | 3,699 | -100% |
| Median household income | $53,248/yr | $80,964/yr | -34% |
| Median mortgage (monthly) | $1,066 | $1,616 | -34% |
| Distance to CBD | 199 km | 13 km | +1431% |
| Separate houses | 100% | 73% | +27pp |
Pre-inspection briefing for Port Davis — every item is derived from public datasets, with full citations in our data sources page.
Limited buy-and-hold upside: a small population of 4 means liquidity is thin and capital growth tends to lag the wider South Australia market over full cycles.
Median rental data was not captured for Port Davis. Use current realestate.com.au and Domain listings to triangulate a realistic weekly rent before committing, then feed that number into our rental yield calculator.
With 100% houses in a 4-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 Port Davis property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →Capital-growth expectations for Port Davis are modest for 2026 — incomes 34% below the SA median of $80,964 and a population of 4 suggest gains will lag headline metro markets. Rental fundamentals will need to be verified against live listings, as a clean median rent was not recorded for Port Davis. The EquitySight investment score of 26/100 places Port Davis 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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Port Davis scores 26/100 on our EquitySight investment framework — a weak rating. That score is driven by a population of 4, median household income of $53,248/year. 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 Port Davis are a median household income of $53,248/year, a dwelling mix that is 100% 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.
Port Davis has a usual resident population of approximately 4, 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.
Port Davis sits 199 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.
A reliable median rent was not captured for Port Davis. Benchmark expected weekly rent on realestate.com.au and Domain, or the state rental tribunal's rent dashboard. Most Australian investors target a 4–5% gross yield as a baseline.
The median monthly mortgage repayment in Port Davis is $1,066, or approximately $12,792/year (vs $1,616/month state median). Stress-test your own borrowing at rates 1–2 percentage points above today's to make sure you can still service the loan through an RBA tightening cycle.
Census data was not complete enough in Port Davis 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 (4 residents), interest-rate sensitivity on the $1,066 median mortgage, below-median household incomes ($53,248 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.