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ABS 2021 Census · Updated 21 May 2026
Naval Base is an outer-metropolitan suburb of Perth, Australia, with a population of approximately 20, making it a boutique locality. Located approximately 28 km from the Perth CBD, Naval Base is a outer metro area in Western Australia. The median household income is $46,800 per year.
Household earnings in Naval Base are below the state average, which may affect long-term capital growth.
Official Australia Post postcode for Naval Base. 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 Naval Base 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.
Naval Base is a smaller community of 20 — about 0% of the Western Australia suburb median (5,605) — so investors should factor in the narrower buyer pool and longer average time-on-market. Naval Base's median household income of $46,800/year is 53% below the Western Australia suburb median ($99,736) — this is an affordability play where returns lean on yield and patient capital growth rather than demographic premium. Median weekly rent of $315 equates to $1,365/month — about 273% of the median mortgage repayment of $500/month — meaning rental income covers most of a typical owner's repayment and this is a genuine cash-flow suburb before tax benefits. At 28 km from Perth, Naval Base is an outer-metro location where buyers are typically trading commute time for floor space and a lower entry price.
How Naval Base stacks up against the median of all Western Australia suburbs in our dataset. Positive values mean Naval Base sits above the state median; negative means below.
| Metric | Naval Base | WA median | Δ vs state |
|---|---|---|---|
| Population | 20 | 5,605 | -100% |
| Median household income | $46,800/yr | $99,736/yr | -53% |
| Median rent (weekly) | $315 | $350 | -10% |
| Median mortgage (monthly) | $500 | $1,902 | -74% |
| Distance to CBD | 28 km | 20 km | +40% |
| Separate houses | 73% | 79% | -6pp |
Pre-inspection briefing for Naval Base — every item is derived from public datasets, with full citations in our data sources page.
Limited buy-and-hold upside: a small population of 20 means liquidity is thin and capital growth tends to lag the wider Western Australia market over full cycles.
Strong rental coverage: $315/week (~$1,365/month) covers 273% of the $500/month median mortgage repayment, so the shortfall sits at just $0/month. Investors targeting positive cash flow should shortlist this suburb.
With 73% houses in a 20-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 Naval Base property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →Capital-growth expectations for Naval Base are modest for 2026 — incomes 53% below the WA median of $99,736 and a population of 20 suggest gains will lag headline metro markets. Rental coverage runs at ~273% of the typical mortgage ($1,365/month rent vs $500/month repayment), keeping cash flow in positive or near-neutral territory. The EquitySight investment score of 39/100 places Naval Base 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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Naval Base scores 39/100 on our EquitySight investment framework — a weak rating. That score is driven by a population of 20, median household income of $46,800/year and median weekly rent of $315. 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 Naval Base are a median household income of $46,800/year, a dwelling mix that is 73% 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.
Naval Base has a usual resident population of approximately 20, compared with a Western Australia suburb median of 5,605 — 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.
Naval Base sits 28 km straight-line from the Perth 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 $315 in Naval Base, equating to approximately $16,380/year in gross rental income (state median $350/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 Naval Base is $500, or approximately $6,000/year (vs $1,902/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 $315 works out to $1,365/month, covering 273% of the median mortgage repayment of $500/month. That means rent exceeds the median repayment by roughly $865/month, so on these numbers Naval Base leans cash-flow-positive before accounting for strata, council rates, insurance and maintenance. 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 (20 residents), interest-rate sensitivity on the $500 median mortgage, below-median household incomes ($46,800 vs $99,736 state median), the broader Western Australia 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.