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ABS 2021 Census · Updated 21 May 2026
Cox Peninsula is a well-established middle-ring suburb of Darwin, Australia, with a population of approximately 6, making it a boutique locality. Located approximately 20 km from the Darwin CBD, Cox Peninsula is a middle ring area in Northern Territory. The median household income is $194,948 per year.
Strong household incomes in Cox Peninsula underpin solid property demand.
Official Australia Post postcode for Cox Peninsula. 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 Cox Peninsula 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.
Cox Peninsula is a smaller community of 6 — about 0% of the Northern Territory suburb median (3,057) — so investors should factor in the narrower buyer pool and longer average time-on-market. Median household income of $194,948/year runs 72% above the Northern Territory suburb median of $113,308, indicating strong purchasing power and the type of demographic profile that tends to sustain premium property prices through market cycles. 20 km from Darwin places Cox Peninsula in the middle commuter belt, close enough for daily trips by car or rail but at a materially lower price point than inner suburbs.
How Cox Peninsula stacks up against the median of all Northern Territory suburbs in our dataset. Positive values mean Cox Peninsula sits above the state median; negative means below.
| Metric | Cox Peninsula | NT median | Δ vs state |
|---|---|---|---|
| Population | 6 | 3,057 | -100% |
| Median household income | $194,948/yr | $113,308/yr | +72% |
| Median mortgage (monthly) | $975 | $1,950 | -50% |
| Distance to CBD | 20 km | 15 km | +33% |
Pre-inspection briefing for Cox Peninsula — every item is derived from public datasets, with full citations in our data sources page.
Strong buy-and-hold fundamentals: household incomes run 72% above the Northern Territory suburb median ($194,948 vs $113,308), and the 20 km CBD distance keeps this suburb in the primary demand zone. In Northern Territory, suburbs with this profile have historically clustered in the upper tercile of 10-year capital growth.
Median rental data was not captured for Cox Peninsula. Use current realestate.com.au and Domain listings to triangulate a realistic weekly rent before committing, then feed that number into our rental yield calculator.
With a population of 6, the resale market in Cox Peninsula may not reliably reward cosmetic renovations — a longer hold is typically a better strategy at this scale, letting land-value appreciation do the work instead.
Run the numbers on a Cox Peninsula property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →Cox Peninsula enters 2026 with a demographic tailwind — household incomes 72% above the Northern Territory suburb median of $113,308 and a population of 6 give it the depth and purchasing power to outperform the wider NT market over the next 12–18 months. Rental fundamentals will need to be verified against live listings, as a clean median rent was not recorded for Cox Peninsula. The EquitySight investment score of 68/100 places Cox Peninsula 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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Cox Peninsula scores 68/100 on our EquitySight investment framework — a good rating. That score is driven by a population of 6, median household income of $194,948/year. 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 Cox Peninsula are proximity to Darwin (20 km), an above-state-median household income of $194,948/year, 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.
Cox Peninsula has a usual resident population of approximately 6, compared with a Northern Territory suburb median of 3,057 — 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.
Cox Peninsula sits 20 km straight-line from the Darwin CBD. This is comfortable commuter territory, with reasonable rail and road access to the city.
A reliable median rent was not captured for Cox Peninsula. Benchmark expected weekly rent on realestate.com.au and Domain, or the state rental tribunal's rent dashboard. Most Australian investors target a 4–5% gross yield as a baseline.
The median monthly mortgage repayment in Cox Peninsula is $975, or approximately $11,700/year (vs $1,950/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.
Census data was not complete enough in Cox Peninsula to compute a clean rent-to-mortgage coverage. Use current listings to benchmark weekly rent, then plug your expected purchase price into our rental yield calculator to see whether the investment runs cash-flow positive or negative.
The main risks are a thin buyer pool (6 residents), interest-rate sensitivity on the $975 median mortgage, the broader Northern Territory 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.