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ABS 2021 Census · Updated 21 May 2026
Mount Barker Junction is a regional centre in South Australia, Australia, with a population of approximately 8, making it a boutique locality. Located approximately 27 km from the Adelaide CBD, Mount Barker Junction is a regional area in South Australia. The median household income is $207,948 per year.
Above-average earnings in Mount Barker Junction support sustained property values. As a regional location, growth prospects depend on local economic conditions and infrastructure investment.
Official Australia Post postcode for Mount Barker Junction. 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 Mount Barker Junction 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.
Mount Barker Junction is a smaller community of 8 — about 0% of the South Australia suburb median (3,699) — so investors should factor in the narrower buyer pool and longer average time-on-market. Median household income of $207,948/year runs 157% above the South Australia suburb median of $80,964, indicating strong purchasing power and the type of demographic profile that tends to sustain premium property prices through market cycles. At 27 km from Adelaide, Mount Barker Junction is an outer-metro location where buyers are typically trading commute time for floor space and a lower entry price. Separate houses make up 100% of dwellings — 27 percentage points above the South Australia median of 73% — pointing to a family-oriented, land-rich market where value is concentrated in the underlying block.
How Mount Barker Junction stacks up against the median of all South Australia suburbs in our dataset. Positive values mean Mount Barker Junction sits above the state median; negative means below.
| Metric | Mount Barker Junction | SA median | Δ vs state |
|---|---|---|---|
| Population | 8 | 3,699 | -100% |
| Median household income | $207,948/yr | $80,964/yr | +157% |
| Median mortgage (monthly) | $1,200 | $1,616 | -26% |
| Distance to CBD | 27 km | 13 km | +108% |
| Separate houses | 100% | 73% | +27pp |
Pre-inspection briefing for Mount Barker Junction — every item is derived from public datasets, with full citations in our data sources page.
Limited buy-and-hold upside: a small population of 8 means liquidity is thin and capital growth tends to lag the wider South Australia market over full cycles.
Median rental data was not captured for Mount Barker Junction. 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 100% houses in a 8-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 Mount Barker Junction property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →Capital-growth expectations for Mount Barker Junction are modest for 2026 — incomes 157% above the SA median of $80,964 and a population of 8 suggest gains will lag headline metro markets. Rental fundamentals will need to be verified against live listings, as a clean median rent was not recorded for Mount Barker Junction. The EquitySight investment score of 60/100 places Mount Barker Junction in the mid tier of Australian suburbs we profile, and overall investor sentiment is balanced heading into the second half of 2026.
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Mount Barker Junction scores 60/100 on our EquitySight investment framework — a moderate rating. That score is driven by a population of 8, median household income of $207,948/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 Mount Barker Junction are an above-state-median household income of $207,948/year, a dwelling mix that is 100% 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.
Mount Barker Junction has a usual resident population of approximately 8, compared with a South Australia suburb median of 3,699 — 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.
Mount Barker Junction sits 27 km straight-line from the Adelaide CBD. This is an outer-metro location; local employment and infrastructure announcements tend to move prices more than CBD connectivity alone.
A reliable median rent was not captured for Mount Barker Junction. 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 Mount Barker Junction is $1,200, or approximately $14,400/year (vs $1,616/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 Mount Barker Junction 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 (8 residents), interest-rate sensitivity on the $1,200 median mortgage, the broader South 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.