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ABS 2021 Census · Updated 21 May 2026
Southend is a regional centre in South Australia, Australia, with a population of approximately 301, making it a boutique locality. Located approximately 324 km from the Adelaide CBD, Southend is a regional area in South Australia. The median household income is $91,572 per year.
Above-average earnings in Southend support sustained property values. As a regional location, growth prospects depend on local economic conditions and infrastructure investment.
Official Australia Post postcode for Southend. 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 Southend 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.
Southend is a smaller community of 301 — about 8% of the South Australia suburb median (3,699) — so investors should factor in the narrower buyer pool and longer average time-on-market. Households here earn $91,572/year on average — 13% above the SA suburb median of $80,964 — a modest premium that supports resilient owner-occupier demand. Rent of $245/week (71% coverage of the $1,487/month median mortgage) leaves a gap of roughly $425/month that a typical investor bridges with negative gearing, depreciation and capital growth. Southend is 324 km from Adelaide, so the local market tracks regional employment and lifestyle drivers more than CBD-driven commuter demand.
How Southend stacks up against the median of all South Australia suburbs in our dataset. Positive values mean Southend sits above the state median; negative means below.
| Metric | Southend | SA median | Δ vs state |
|---|---|---|---|
| Population | 301 | 3,699 | -92% |
| Median household income | $91,572/yr | $80,964/yr | +13% |
| Median rent (weekly) | $245 | $320 | -23% |
| Median mortgage (monthly) | $1,487 | $1,616 | -8% |
| Distance to CBD | 324 km | 13 km | +2392% |
| Separate houses | 65% | 73% | -8pp |
Pre-inspection briefing for Southend — every item is derived from public datasets, with full citations in our data sources page.
Limited buy-and-hold upside: a small population of 301 means liquidity is thin and capital growth tends to lag the wider South Australia market over full cycles.
Moderate rental coverage: rent of $245/week covers 71% of a $1,487/month mortgage, leaving a $425/month gap that an investor bridges with equity, depreciation and tax benefits.
With 65% houses in a 301-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 Southend property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →Capital-growth expectations for Southend are modest for 2026 — incomes 13% above the SA median of $80,964 and a population of 301 suggest gains will lag headline metro markets. Rental coverage runs at ~71% of the typical mortgage ($1,062/month rent vs $1,487/month repayment), leaving a manageable top-up for most investors. The EquitySight investment score of 41/100 places Southend in the mid tier of Australian suburbs we profile, and overall investor sentiment is cautious heading into the second half of 2026.
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Southend scores 41/100 on our EquitySight investment framework — a moderate rating. That score is driven by a population of 301, median household income of $91,572/year and median weekly rent of $245. 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 Southend are an above-state-median household income of $91,572/year, a dwelling mix that is 65% 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.
Southend has a usual resident population of approximately 301, 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.
Southend sits 324 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 $245 in Southend, equating to approximately $12,740/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 Southend is $1,487, or approximately $17,844/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 $245 works out to $1,062/month, covering 71% of the median mortgage repayment of $1,487/month. That leaves a $425/month shortfall (around $5,100/year before tax benefits), so a typical owner-occupier-priced property here is negatively geared. 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 (301 residents), interest-rate sensitivity on the $1,487 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.