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ABS 2021 Census · Updated 21 May 2026
Gladstone Harbour is a regional centre in Queensland, Australia, with a population of approximately 24, making it a boutique locality. Located approximately 440 km from the Brisbane CBD, Gladstone Harbour is a regional area in Queensland. The median household income is $24,648 per year.
Gladstone Harbour's income profile suggests a value-oriented market with competitive purchase prices. Regional positioning means lower entry costs but potentially longer hold periods for capital gains.
Official Australia Post postcode for Gladstone Harbour. 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 Gladstone Harbour 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.
Gladstone Harbour is a smaller community of 24 — about 0% of the Queensland suburb median (5,474) — so investors should factor in the narrower buyer pool and longer average time-on-market. Gladstone Harbour's median household income of $24,648/year is 73% 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. Gladstone Harbour is 440 km from Brisbane, so the local market tracks regional employment and lifestyle drivers more than CBD-driven commuter demand. Separate houses make up 138% of dwellings — 61 percentage points above the Queensland median of 77% — pointing to a family-oriented, land-rich market where value is concentrated in the underlying block.
How Gladstone Harbour stacks up against the median of all Queensland suburbs in our dataset. Positive values mean Gladstone Harbour sits above the state median; negative means below.
| Metric | Gladstone Harbour | QLD median | Δ vs state |
|---|---|---|---|
| Population | 24 | 5,474 | -100% |
| Median household income | $24,648/yr | $90,298/yr | -73% |
| Distance to CBD | 440 km | 62 km | +610% |
| Separate houses | 138% | 77% | +61pp |
Pre-inspection briefing for Gladstone Harbour — every item is derived from public datasets, with full citations in our data sources page.
Limited buy-and-hold upside: a small population of 24 means liquidity is thin and capital growth tends to lag the wider Queensland market over full cycles.
Median rental data was not captured for Gladstone Harbour. 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 138% houses in a 24-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 Gladstone Harbour property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →Capital-growth expectations for Gladstone Harbour are modest for 2026 — incomes 73% below the QLD median of $90,298 and a population of 24 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 Gladstone Harbour. The EquitySight investment score of 25/100 places Gladstone Harbour in the lower tier of Australian suburbs we profile, and overall investor sentiment is cautious heading into the second half of 2026.
Lived in Gladstone Harbour? Help other investors with an honest 100-word review. Sign-in required; all reviews are manually moderated before they appear.
Gladstone Harbour scores 25/100 on our EquitySight investment framework — a weak rating. That score is driven by a population of 24, median household income of $24,648/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 Gladstone Harbour are a median household income of $24,648/year, a dwelling mix that is 138% 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.
Gladstone Harbour has a usual resident population of approximately 24, 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.
Gladstone Harbour sits 440 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 Gladstone Harbour. 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.
A reliable median mortgage figure was not captured for Gladstone Harbour. Use our loan serviceability calculator to estimate a realistic monthly repayment for your target purchase price and deposit.
Census data was not complete enough in Gladstone Harbour 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 (24 residents), interest-rate sensitivity, below-median household incomes ($24,648 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.