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Suburb Insights · QLD 4870

Portsmith, QLD 4870 Property Profile

ABS 2021 Census · Updated 21 May 2026

Suburb Overview

Portsmith is a coastal suburb in Queensland, Australia, with a population of approximately 314, making it a boutique locality. Located approximately 1386 km from the Brisbane CBD, Portsmith is a coastal area in Queensland. The median household income is $38,948 per year.

Investment Score

32 / 100 Weak

Portsmith's income profile suggests a value-oriented market with competitive purchase prices. The coastal setting provides a lifestyle factor that underpins property values.

Location

Brisbane
Portsmith
Queensland · 4870
1386 km from Brisbane CBD
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Key Indicators

Postcode
4870

Official Australia Post postcode for Portsmith. A postcode may cover multiple suburbs.

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Population
314

Usual resident population at the most recent census.

Median weekly rent
$280/wk

Weekly median rent for occupied homes. Live rental data integration coming soon.

Median household income
$38,948/yr

Annual median household income (before tax) across all households.

Distance to CBD
1386 km

Straight-line distance from the suburb centroid to the nearest capital city CBD. Actual driving distance will be longer.

Lifestyle & Amenities

Schools nearby
1

Estimated 1 school within or near this suburb.

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Parks & green spaces
1

Estimated 1 park and green spaces near this suburb.

Median monthly mortgage
$1,760/mo

Monthly median mortgage repayment for households currently paying off a mortgage.

Home type
50% houses

Proportion of separate houses versus units, townhouses, and other home types. Useful for investors assessing rental demand mix.

Investment Insight

Portsmith is a smaller community of 314 — about 6% of the Queensland suburb median (5,474) — so investors should factor in the narrower buyer pool and longer average time-on-market. Portsmith's median household income of $38,948/year is 57% 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. Median rent of $280/week (~$1,213/month) covers only 69% of the median mortgage of $1,760/month — the remaining $547/month must be funded from other income, so this suburb tilts toward capital growth rather than yield. Portsmith is 1386 km from Brisbane, so the local market tracks regional employment and lifestyle drivers more than CBD-driven commuter demand. Only 50% 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.

Portsmith vs Queensland Median

How Portsmith stacks up against the median of all Queensland suburbs in our dataset. Positive values mean Portsmith sits above the state median; negative means below.

MetricPortsmithQLD medianΔ vs state
Population3145,474-94%
Median household income$38,948/yr$90,298/yr-57%
Median rent (weekly)$280$385-27%
Median mortgage (monthly)$1,760$1,733+2%
Distance to CBD1386 km62 km+2135%
Separate houses50%77%-27pp

Investor Checklist

Pre-inspection briefing for Portsmith — every item is derived from public datasets, with full citations in our data sources page.

Investment Strategy

Buy & Hold

Limited buy-and-hold upside: a small population of 314 means liquidity is thin and capital growth tends to lag the wider Queensland market over full cycles.

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Rental Yield

Moderate rental coverage: rent of $280/week covers 69% of a $1,760/month mortgage, leaving a $547/month gap that an investor bridges with equity, depreciation and tax benefits.

Renovation / Flip

Only 50% 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.

Risk Factors

Run the numbers on a Portsmith property

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30-year projections for Portsmith

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2026 Outlook

Growth: Low Rental Demand: Low Investor Sentiment: Low

Capital-growth expectations for Portsmith are modest for 2026 — incomes 57% below the QLD median of $90,298 and a population of 314 suggest gains will lag headline metro markets. Rental coverage runs at ~69% of the typical mortgage ($1,213/month rent vs $1,760/month repayment), leaving a manageable top-up for most investors. The EquitySight investment score of 32/100 places Portsmith in the lower tier of Australian suburbs we profile, and overall investor sentiment is cautious heading into the second half of 2026.

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Frequently Asked Questions

Is Portsmith a good suburb for investment?

Portsmith scores 32/100 on our EquitySight investment framework — a weak rating. That score is driven by a population of 314, median household income of $38,948/year and median weekly rent of $280. 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.

What drives property demand in Portsmith?

The main demand drivers in Portsmith are a median household income of $38,948/year, a dwelling mix that is 50% 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.

What is the population of Portsmith?

Portsmith has a usual resident population of approximately 314, 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.

How far is Portsmith from the Brisbane CBD?

Portsmith sits 1386 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.

What is the median rent in Portsmith?

The most recent census recorded a median weekly rent of $280 in Portsmith, equating to approximately $14,560/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.

What is the typical mortgage repayment in Portsmith?

The median monthly mortgage repayment in Portsmith is $1,760, or approximately $21,120/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.

Is Portsmith cash-flow positive for investors?

A median weekly rent of $280 works out to $1,213/month, covering 69% of the median mortgage repayment of $1,760/month. That leaves a $547/month shortfall (around $6,564/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.

What are the main risks of investing in Portsmith?

The main risks are a thin buyer pool (314 residents), interest-rate sensitivity on the $1,760 median mortgage, below-median household incomes ($38,948 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.

How we built this Portsmith profile

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.

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