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ABS 2021 Census · Updated 21 May 2026
Port Noarlunga South is a coastal suburb in South Australia, Australia, with a population of approximately 3,058, making it a boutique locality. Located approximately 29 km from the Adelaide CBD, Port Noarlunga South is a coastal area in South Australia. The median household income is $79,560 per year.
Household incomes in Port Noarlunga South sit in a comfortable mid-range for the South Australia market. Coastal lifestyle appeal adds a premium that supports long-term demand.
Official Australia Post postcode for Port Noarlunga South. 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 Noarlunga South 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.
3,058 residents places Port Noarlunga South squarely in the middle of the South Australia suburb size distribution (state median 3,699), with market depth comparable to most SA localities. At $79,560/year, household income in Port Noarlunga South is within 2% of the South Australia median ($80,964), placing the suburb firmly in the state's mainstream demographic band. Median weekly rent of $350 equates to $1,517/month — about 100% of the median mortgage repayment of $1,517/month — meaning rental income covers most of a typical owner's repayment and this is a genuine cash-flow suburb before tax benefits. At 29 km from Adelaide, Port Noarlunga South is an outer-metro location where buyers are typically trading commute time for floor space and a lower entry price.
This suburb can suit investors targeting renter demand driven by lifestyle. Insurance, climate risk, and seasonal rental patterns all warrant a close look. Local rents consume roughly 23% of household income — a useful sanity check on tenant affordability.
How Port Noarlunga South stacks up against the median of all South Australia suburbs in our dataset. Positive values mean Port Noarlunga South sits above the state median; negative means below.
| Metric | Port Noarlunga South | SA median | Δ vs state |
|---|---|---|---|
| Population | 3,058 | 3,699 | -17% |
| Median household income | $79,560/yr | $80,964/yr | -2% |
| Median rent (weekly) | $350 | $320 | +9% |
| Median mortgage (monthly) | $1,517 | $1,616 | -6% |
| Distance to CBD | 29 km | 13 km | +123% |
| Separate houses | 85% | 73% | +12pp |
Pre-inspection briefing for Port Noarlunga South — every item is derived from public datasets, with full citations in our data sources page.
Moderate buy-and-hold potential: Port Noarlunga South's 3,058-person market and $79,560 median household income work for investors who are selective on street location and property quality rather than counting on a suburb-wide rerating.
Strong rental coverage: $350/week (~$1,517/month) covers 100% of the $1,517/month median mortgage repayment, so the shortfall sits at just $0/month. Investors targeting positive cash flow should shortlist this suburb.
With 85% houses in a 3,058-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 Noarlunga South property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →Capital-growth expectations for Port Noarlunga South are modest for 2026 — incomes close to the SA median of $80,964 and a population of 3,058 suggest gains will lag headline metro markets. Rental coverage runs at ~100% of the typical mortgage ($1,517/month rent vs $1,517/month repayment), keeping cash flow in positive or near-neutral territory. The EquitySight investment score of 60/100 places Port Noarlunga South in the mid tier of Australian suburbs we profile, and overall investor sentiment is balanced heading into the second half of 2026.
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Port Noarlunga South scores 60/100 on our EquitySight investment framework — a moderate rating. That score is driven by a population of 3,058, median household income of $79,560/year and median weekly rent of $350. 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 Noarlunga South are a median household income of $79,560/year, a dwelling mix that is 85% 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 Noarlunga South has a usual resident population of approximately 3,058, 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 Noarlunga South sits 29 km straight-line from the Adelaide CBD. This is an outer-metro location; local employment and infrastructure announcements tend to move prices more than CBD connectivity alone.
The most recent census recorded a median weekly rent of $350 in Port Noarlunga South, equating to approximately $18,200/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.
The median monthly mortgage repayment in Port Noarlunga South is $1,517, or approximately $18,204/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.
A median weekly rent of $350 works out to $1,517/month, covering 100% of the median mortgage repayment of $1,517/month. That means rent exceeds the median repayment by roughly $-0/month, so on these numbers Port Noarlunga South leans cash-flow-positive before accounting for strata, council rates, insurance and maintenance. Actual cash flow depends on your deposit, loan terms, ownership costs and marginal tax rate — run the full numbers in our rental yield calculator.
The main risks are a thin buyer pool (3,058 residents), interest-rate sensitivity on the $1,517 median mortgage, 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.