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ABS 2021 Census · Updated 21 May 2026
Southside is a coastal suburb in Queensland, Australia, with a population of approximately 6,312, making it a smaller community. Located approximately 145 km from the Brisbane CBD, Southside is a coastal area in Queensland. The median household income is $61,100 per year.
Household earnings in Southside are below the state average, which may affect long-term capital growth. Coastal lifestyle appeal adds a premium that supports long-term demand.
Official Australia Post postcode for Southside. 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 2 schools within or near this suburb.
Find schools near Southside on My School →Estimated 3 parks 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.
6,312 residents places Southside squarely in the middle of the Queensland suburb size distribution (state median 5,474), with market depth comparable to most QLD localities. Southside's median household income of $61,100/year is 32% below the Queensland suburb median ($90,298) — this is an affordability play where returns lean on yield and patient capital growth rather than demographic premium. Rent of $285/week (89% coverage of the $1,387/month median mortgage) leaves a gap of roughly $152/month that a typical investor bridges with negative gearing, depreciation and capital growth. Southside is 145 km from Brisbane, so the local market tracks regional employment and lifestyle drivers more than CBD-driven commuter demand.
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 24% of household income — a useful sanity check on tenant affordability.
How Southside stacks up against the median of all Queensland suburbs in our dataset. Positive values mean Southside sits above the state median; negative means below.
| Metric | Southside | QLD median | Δ vs state |
|---|---|---|---|
| Population | 6,312 | 5,474 | +15% |
| Median household income | $61,100/yr | $90,298/yr | -32% |
| Median rent (weekly) | $285 | $385 | -26% |
| Median mortgage (monthly) | $1,387 | $1,733 | -20% |
| Distance to CBD | 145 km | 62 km | +134% |
| Separate houses | 83% | 77% | +6pp |
Pre-inspection briefing for Southside — every item is derived from public datasets, with full citations in our data sources page.
Limited buy-and-hold upside: household incomes 32% below the QLD median ($61,100 vs $90,298) means liquidity is thin and capital growth tends to lag the wider Queensland market over full cycles.
Strong rental coverage: $285/week (~$1,235/month) covers 89% of the $1,387/month median mortgage repayment, so the shortfall sits at just $152/month. Investors targeting positive cash flow should shortlist this suburb.
With 83% houses in a 6,312-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 Southside property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →Capital-growth expectations for Southside are modest for 2026 — incomes 32% below the QLD median of $90,298 suggest gains will lag headline metro markets. Rental coverage runs at ~89% of the typical mortgage ($1,235/month rent vs $1,387/month repayment), keeping cash flow in positive or near-neutral territory. The EquitySight investment score of 45/100 places Southside 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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Southside scores 45/100 on our EquitySight investment framework — a moderate rating. That score is driven by a population of 6,312, median household income of $61,100/year and median weekly rent of $285. 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 Southside are a median household income of $61,100/year, a dwelling mix that is 83% separate houses, roughly 2 schools and 3 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.
Southside has a usual resident population of approximately 6,312, compared with a Queensland suburb median of 5,474 — placing it in the upper 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.
Southside sits 145 km straight-line from the Brisbane 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 $285 in Southside, equating to approximately $14,820/year in gross rental income (state median $385/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 Southside is $1,387, or approximately $16,644/year (vs $1,733/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 $285 works out to $1,235/month, covering 89% of the median mortgage repayment of $1,387/month. That leaves a $152/month shortfall (around $1,824/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 interest-rate sensitivity on the $1,387 median mortgage, below-median household incomes ($61,100 vs $90,298 state median), the broader Queensland 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.