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ABS 2021 Census · Updated 21 May 2026
Flagstone is a regional centre in Queensland, Australia, with a population of approximately 7,087, making it a smaller community. Located approximately 39 km from the Brisbane CBD, Flagstone is a regional area in Queensland. The median household income is $107,796 per year.
Strong household incomes in Flagstone underpin solid property demand. Regional positioning means lower entry costs but potentially longer hold periods for capital gains.
Official Australia Post postcode for Flagstone. 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 Flagstone 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.
Flagstone's population of 7,087 sits 29% above the Queensland suburb median of 5,474, giving it a wider tenant and buyer catchment than the average QLD locality. Median household income of $107,796/year runs 19% 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 $395 equates to $1,712/month — about 94% of the median mortgage repayment of $1,820/month — meaning rental income covers most of a typical owner's repayment and this is a genuine cash-flow suburb before tax benefits. At 39 km from Brisbane, Flagstone is an outer-metro location where buyers are typically trading commute time for floor space and a lower entry price. Separate houses make up 95% of dwellings — 18 percentage points above the Queensland median of 77% — pointing to a family-oriented, land-rich market where value is concentrated in the underlying block.
Regional property can deliver strong cash-flow yields but liquidity is tighter — plan for longer hold periods and verify local employment stability. Local rents consume roughly 19% of household income — a useful sanity check on tenant affordability.
How Flagstone stacks up against the median of all Queensland suburbs in our dataset. Positive values mean Flagstone sits above the state median; negative means below.
| Metric | Flagstone | QLD median | Δ vs state |
|---|---|---|---|
| Population | 7,087 | 5,474 | +29% |
| Median household income | $107,796/yr | $90,298/yr | +19% |
| Median rent (weekly) | $395 | $385 | +3% |
| Median mortgage (monthly) | $1,820 | $1,733 | +5% |
| Distance to CBD | 39 km | 62 km | -37% |
| Separate houses | 95% | 77% | +18pp |
Pre-inspection briefing for Flagstone — every item is derived from public datasets, with full citations in our data sources page.
Solid buy-and-hold profile: a population of 7,087 and household income close to the QLD median ($107,796 vs $90,298) give the market enough depth for patient capital growth without the premium entry price of inner suburbs.
Strong rental coverage: $395/week (~$1,712/month) covers 94% of the $1,820/month median mortgage repayment, so the shortfall sits at just $108/month. Investors targeting positive cash flow should shortlist this suburb.
A dwelling mix skewed to houses (95% vs 77% QLD median) combined with a population of 7,087 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 Flagstone property
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Create free account →Property values in Flagstone should track the wider Queensland market through 2026, with the $107,796/year median household income (19% above the $90,298 state median) keeping the suburb firmly mid-pack. Rental coverage runs at ~94% of the typical mortgage ($1,712/month rent vs $1,820/month repayment), keeping cash flow in positive or near-neutral territory. The EquitySight investment score of 62/100 places Flagstone in the upper-middle tier of Australian suburbs we profile, and overall investor sentiment is balanced heading into the second half of 2026.
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Flagstone scores 62/100 on our EquitySight investment framework — a good rating. That score is driven by a population of 7,087, median household income of $107,796/year and median weekly rent of $395. 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 Flagstone are an above-state-median household income of $107,796/year, a dwelling mix that is 95% 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.
Flagstone has a usual resident population of approximately 7,087, 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.
Flagstone sits 39 km straight-line from the Brisbane CBD. This is an outer-metro location; local employment and infrastructure announcements tend to move prices more than CBD connectivity alone.
The most recent census recorded a median weekly rent of $395 in Flagstone, equating to approximately $20,540/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 Flagstone is $1,820, or approximately $21,840/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 $395 works out to $1,712/month, covering 94% of the median mortgage repayment of $1,820/month. That leaves a $108/month shortfall (around $1,296/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 $1,820 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.