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ABS 2021 Census · Updated 21 May 2026
Sandgate is a well-established middle-ring suburb of Brisbane, Australia, with a population of approximately 4,926, making it a boutique locality. Located approximately 17 km from the Brisbane CBD, Sandgate is a middle ring area in Queensland. The median household income is $93,808 per year.
Sandgate benefits from a high-income resident base, supporting premium property pricing.
Official Australia Post postcode for Sandgate. 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 Sandgate on My School →Estimated 2 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.
4,926 residents places Sandgate squarely in the middle of the Queensland suburb size distribution (state median 5,474), with market depth comparable to most QLD localities. At $93,808/year, household income in Sandgate is within 4% of the Queensland median ($90,298), placing the suburb firmly in the state's mainstream demographic band. Median rent of $294/week (~$1,274/month) covers only 59% of the median mortgage of $2,167/month — the remaining $893/month must be funded from other income, so this suburb tilts toward capital growth rather than yield. 17 km from Brisbane places Sandgate in the middle commuter belt, close enough for daily trips by car or rail but at a materially lower price point than inner suburbs.
Middle-ring locations like this one historically reward patient holders — focus on homes near catchment-zone schools and major transport. Local rents consume roughly 16% of household income — a useful sanity check on tenant affordability.
How Sandgate stacks up against the median of all Queensland suburbs in our dataset. Positive values mean Sandgate sits above the state median; negative means below.
| Metric | Sandgate | QLD median | Δ vs state |
|---|---|---|---|
| Population | 4,926 | 5,474 | -10% |
| Median household income | $93,808/yr | $90,298/yr | +4% |
| Median rent (weekly) | $294 | $385 | -24% |
| Median mortgage (monthly) | $2,167 | $1,733 | +25% |
| Distance to CBD | 17 km | 62 km | -73% |
| Separate houses | 67% | 77% | -10pp |
Pre-inspection briefing for Sandgate — every item is derived from public datasets, with full citations in our data sources page.
Moderate buy-and-hold potential: Sandgate's 4,926-person market and $93,808 median household income work for investors who are selective on street location and property quality rather than counting on a suburb-wide rerating.
Weak cash flow: $294/week rent covers only 59% of the $2,167/month median mortgage — a $893/month gap that must be funded from other income. This suburb is a capital-growth play, not a yield play.
Only 67% 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 Sandgate property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →Capital-growth expectations for Sandgate are modest for 2026 — incomes close to the QLD median of $90,298 and a population of 4,926 suggest gains will lag headline metro markets. Rental coverage runs at ~59% of the typical mortgage ($1,274/month rent vs $2,167/month repayment), meaning investors will rely on capital growth rather than yield. The EquitySight investment score of 69/100 places Sandgate 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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Sandgate scores 69/100 on our EquitySight investment framework — a good rating. That score is driven by a population of 4,926, median household income of $93,808/year and median weekly rent of $294. 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 Sandgate are proximity to Brisbane (17 km), an above-state-median household income of $93,808/year, a dwelling mix that is 67% separate houses, roughly 1 schools and 2 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.
Sandgate has a usual resident population of approximately 4,926, 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.
Sandgate sits 17 km straight-line from the Brisbane CBD. This is comfortable commuter territory, with reasonable rail and road access to the city.
The most recent census recorded a median weekly rent of $294 in Sandgate, equating to approximately $15,288/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 Sandgate is $2,167, or approximately $26,004/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 $294 works out to $1,274/month, covering 59% of the median mortgage repayment of $2,167/month. That leaves a $893/month shortfall (around $10,716/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 a thin buyer pool (4,926 residents), interest-rate sensitivity on the $2,167 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.