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ABS 2021 Census · Updated 21 May 2026
Trott Park is a regional centre in South Australia, Australia, with a population of approximately 3,124, making it a boutique locality. Located approximately 17 km from the Adelaide CBD, Trott Park is a regional area in South Australia. The median household income is $91,104 per year.
Above-average earnings in Trott Park support sustained property values. As a regional location, growth prospects depend on local economic conditions and infrastructure investment.
Official Australia Post postcode for Trott Park. 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 Trott Park 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.
3,124 residents places Trott Park squarely in the middle of the South Australia suburb size distribution (state median 3,699), with market depth comparable to most SA localities. Households here earn $91,104/year on average — 13% above the SA suburb median of $80,964 — a modest premium that supports resilient owner-occupier demand. Median weekly rent of $350 equates to $1,517/month — about 100% of the median mortgage repayment of $1,517/month — meaning rental income covers most of a typical owner's repayment and this is a genuine cash-flow suburb before tax benefits. 17 km from Adelaide places Trott Park in the middle commuter belt, close enough for daily trips by car or rail but at a materially lower price point than inner suburbs. Separate houses make up 94% of dwellings — 21 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.
This suburb suits yield-focused investors who are comfortable with lower liquidity. Employment concentration and local population trends matter more here than in metro markets. Local rents consume roughly 20% of household income — a useful sanity check on tenant affordability.
How Trott Park stacks up against the median of all South Australia suburbs in our dataset. Positive values mean Trott Park sits above the state median; negative means below.
| Metric | Trott Park | SA median | Δ vs state |
|---|---|---|---|
| Population | 3,124 | 3,699 | -16% |
| Median household income | $91,104/yr | $80,964/yr | +13% |
| Median rent (weekly) | $350 | $320 | +9% |
| Median mortgage (monthly) | $1,517 | $1,616 | -6% |
| Distance to CBD | 17 km | 13 km | +31% |
| Separate houses | 94% | 73% | +21pp |
Pre-inspection briefing for Trott Park — every item is derived from public datasets, with full citations in our data sources page.
Moderate buy-and-hold potential: Trott Park's 3,124-person market and $91,104 median household income work for investors who are selective on street location and property quality rather than counting on a suburb-wide rerating.
Strong rental coverage: $350/week (~$1,517/month) covers 100% of the $1,517/month median mortgage repayment, so the shortfall sits at just $0/month. Investors targeting positive cash flow should shortlist this suburb.
With 94% houses in a 3,124-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 Trott Park property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →Capital-growth expectations for Trott Park are modest for 2026 — incomes 13% above the SA median of $80,964 and a population of 3,124 suggest gains will lag headline metro markets. Rental coverage runs at ~100% of the typical mortgage ($1,517/month rent vs $1,517/month repayment), keeping cash flow in positive or near-neutral territory. The EquitySight investment score of 56/100 places Trott Park 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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Trott Park scores 56/100 on our EquitySight investment framework — a moderate rating. That score is driven by a population of 3,124, median household income of $91,104/year and median weekly rent of $350. 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 Trott Park are proximity to Adelaide (17 km), an above-state-median household income of $91,104/year, a dwelling mix that is 94% 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.
Trott Park has a usual resident population of approximately 3,124, 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.
Trott Park sits 17 km straight-line from the Adelaide 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 $350 in Trott Park, equating to approximately $18,200/year in gross rental income (state median $320/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 Trott Park is $1,517, or approximately $18,204/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.
A median weekly rent of $350 works out to $1,517/month, covering 100% of the median mortgage repayment of $1,517/month. That means rent exceeds the median repayment by roughly $-0/month, so on these numbers Trott Park 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 (3,124 residents), interest-rate sensitivity on the $1,517 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.