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ABS 2021 Census · Updated 21 May 2026
Thornton Beach is a coastal suburb in Queensland, Australia, with a population of approximately 8, making it a boutique locality. Located approximately 1481 km from the Brisbane CBD, Thornton Beach is a coastal area in Queensland. The median household income is $129,948 per year.
Above-average earnings in Thornton Beach support sustained property values. Coastal lifestyle appeal adds a premium that supports long-term demand.
Official Australia Post postcode for Thornton Beach. 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 Thornton Beach 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.
Thornton Beach is a smaller community of 8 — about 0% of the Queensland suburb median (5,474) — so investors should factor in the narrower buyer pool and longer average time-on-market. Median household income of $129,948/year runs 44% above the Queensland suburb median of $90,298, indicating strong purchasing power and the type of demographic profile that tends to sustain premium property prices through market cycles. Thornton Beach is 1481 km from Brisbane, so the local market tracks regional employment and lifestyle drivers more than CBD-driven commuter demand. Only 36% of dwellings are separate houses (vs 77% state median), so this is a unit-heavy market where body-corporate decisions and strata supply meaningfully shape investor returns.
How Thornton Beach stacks up against the median of all Queensland suburbs in our dataset. Positive values mean Thornton Beach sits above the state median; negative means below.
| Metric | Thornton Beach | QLD median | Δ vs state |
|---|---|---|---|
| Population | 8 | 5,474 | -100% |
| Median household income | $129,948/yr | $90,298/yr | +44% |
| Median mortgage (monthly) | $450 | $1,733 | -74% |
| Distance to CBD | 1481 km | 62 km | +2289% |
| Separate houses | 36% | 77% | -41pp |
Pre-inspection briefing for Thornton Beach — every item is derived from public datasets, with full citations in our data sources page.
Limited buy-and-hold upside: a small population of 8 means liquidity is thin and capital growth tends to lag the wider Queensland market over full cycles.
Median rental data was not captured for Thornton Beach. 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.
Only 36% of dwellings are separate houses (vs 77% QLD median) — this is a unit and townhouse market, where cosmetic flips struggle against body-corporate restrictions, thinner after-reno uplift and competing new supply.
Run the numbers on a Thornton Beach property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →Capital-growth expectations for Thornton Beach are modest for 2026 — incomes 44% above the QLD median of $90,298 and a population of 8 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 Thornton Beach. The EquitySight investment score of 56/100 places Thornton Beach 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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Thornton Beach scores 56/100 on our EquitySight investment framework — a moderate rating. That score is driven by a population of 8, median household income of $129,948/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 Thornton Beach are an above-state-median household income of $129,948/year, a dwelling mix that is 36% 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.
Thornton Beach has a usual resident population of approximately 8, compared with a Queensland suburb median of 5,474 — 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.
Thornton Beach sits 1481 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.
A reliable median rent was not captured for Thornton Beach. 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 Thornton Beach is $450, or approximately $5,400/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.
Census data was not complete enough in Thornton Beach 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 (8 residents), interest-rate sensitivity on the $450 median mortgage, a unit-heavy dwelling mix (36% houses) where body-corporate costs and apartment supply affect resale, 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.