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ABS 2021 Census · Updated 21 May 2026
The Gap is a well-established middle-ring suburb of Brisbane, Australia, with a population of approximately 17,318, making it a smaller community. Located approximately 9 km from the Brisbane CBD, The Gap is a middle ring area in Queensland. The median household income is $133,796 per year.
The Gap benefits from a high-income resident base, supporting premium property pricing. Its proximity to the CBD adds a strong location premium.
Official Australia Post postcode for The Gap. 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 4 schools within or near this suburb.
Find schools near The Gap on My School →Estimated 7 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.
With 17,318 residents, The Gap is one of Queensland's more populous suburbs — roughly 3.2× the state median of 5,474 — giving it a deep buyer and tenant pool that typically supports higher transaction volumes and shorter average days on market. Median household income of $133,796/year runs 48% 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. Median weekly rent of $490 equates to $2,123/month — about 94% of the median mortgage repayment of $2,253/month — meaning rental income covers most of a typical owner's repayment and this is a genuine cash-flow suburb before tax benefits. At 9 km from the Brisbane CBD, The Gap sits inside the high-demand inner ring — properties here compete directly with the city's employment, transport and amenity networks.
Middle-ring locations like this one historically reward patient holders — focus on homes near catchment-zone schools and major transport. Local rents consume roughly 19% of household income — a useful sanity check on tenant affordability.
How The Gap stacks up against the median of all Queensland suburbs in our dataset. Positive values mean The Gap sits above the state median; negative means below.
| Metric | The Gap | QLD median | Δ vs state |
|---|---|---|---|
| Population | 17,318 | 5,474 | +216% |
| Median household income | $133,796/yr | $90,298/yr | +48% |
| Median rent (weekly) | $490 | $385 | +27% |
| Median mortgage (monthly) | $2,253 | $1,733 | +30% |
| Distance to CBD | 9 km | 62 km | -85% |
| Separate houses | 88% | 77% | +11pp |
Pre-inspection briefing for The Gap — every item is derived from public datasets, with full citations in our data sources page.
Strong buy-and-hold fundamentals: household incomes run 48% above the Queensland suburb median ($133,796 vs $90,298), and the 9 km CBD distance keeps this suburb in the primary demand zone. In Queensland, suburbs with this profile have historically clustered in the upper tercile of 10-year capital growth.
Strong rental coverage: $490/week (~$2,123/month) covers 94% of the $2,253/month median mortgage repayment, so the shortfall sits at just $130/month. Investors targeting positive cash flow should shortlist this suburb.
A dwelling mix skewed to houses (88% vs 77% QLD median) combined with a population of 17,318 creates a deeper market for value-add renovations — older stock, separate titles and stronger buyer competition are the usual pattern here.
Run the numbers on a The Gap property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →The Gap enters 2026 with a demographic tailwind — household incomes 48% above the Queensland suburb median of $90,298 and a population of 17,318 give it the depth and purchasing power to outperform the wider QLD market over the next 12–18 months. Rental coverage runs at ~94% of the typical mortgage ($2,123/month rent vs $2,253/month repayment), keeping cash flow in positive or near-neutral territory. The EquitySight investment score of 82/100 places The Gap in the top tier of Australian suburbs we profile, and overall investor sentiment is constructive heading into the second half of 2026.
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The Gap scores 82/100 on our EquitySight investment framework — a strong rating. That score is driven by a population of 17,318, median household income of $133,796/year and median weekly rent of $490. 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 The Gap are proximity to Brisbane (9 km), an above-state-median household income of $133,796/year, a dwelling mix that is 88% separate houses, roughly 4 schools and 7 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.
The Gap has a usual resident population of approximately 17,318, 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.
The Gap sits 9 km straight-line from the Brisbane CBD. This is inner-ring territory — pricing competes directly with established Brisbane employment nodes.
The most recent census recorded a median weekly rent of $490 in The Gap, equating to approximately $25,480/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 The Gap is $2,253, or approximately $27,036/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 $490 works out to $2,123/month, covering 94% of the median mortgage repayment of $2,253/month. That leaves a $130/month shortfall (around $1,560/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 $2,253 median mortgage, 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.