Suburb overview
Somerton Park is a well-established middle-ring suburb of Adelaide, Australia, with a population of approximately 5,811, making it a smaller community. Located approximately 11 km from the Adelaide CBD, Somerton Park is a middle ring area in South Australia. The median household income is $84,916 per year.
Location
Key indicators
Postcode
5044
Postcode for Somerton Park, from a community postcode dataset cross-checked against Australia Post. A postcode may cover multiple suburbs.
Australia Post Postcode Finder →
Population
5,811
Usual resident population at the most recent census.
Median weekly rent
$595/wk
Median weekly rent — as at Jan–Mar 2026, Consumer & Business Services (SA) (CC BY 4.0).
Distance to CBD
11 km
Straight-line distance from the suburb centroid to the nearest capital city CBD. Actual driving distance will be longer.
Sale prices & yield
Median house price
$2,470,000
Median house sale price — as at Q1 2026, Valuer-General (SA) (CC BY 4.0). Figure covers suburb (metro Adelaide).
Indicative gross yield
1.3%
Estimated as current median rent × 52 ÷ current median house price. A guide only — not a guaranteed return; excludes costs, vacancy and buying expenses.
Housing
Median monthly mortgage
$2,058/mo
Monthly median mortgage repayment for households currently paying off a mortgage.
Home type
55% houses
Proportion of separate houses versus units, townhouses, and other home types. Useful for investors assessing rental demand mix.
Why people like living in Somerton Park
- Middle-ring location about 11 km from Adelaide — balance of commute and affordability.
- Established streets, local shops, and schools within the neighbourhood.
Who Somerton Park suits
Pros and cons
Pros
- Rent sits within an affordable share of local incomes, supporting tenant demand.
- Established middle-ring position between the CBD and the urban fringe.
- Established infrastructure and existing community base.
Cons
- Median mortgage sits above the South Australia state median — entry costs are stretched.
- Traffic can build during peak hours, especially on arterial roads.
Investment insight
Somerton Park's population of 5,811 sits 57% above the South Australia suburb median of 3,699, giving it a wider tenant and buyer catchment than the average SA locality. Households here earn $84,916/year on average — 5% above the SA suburb median of $80,964 — a modest premium that supports resilient owner-occupier demand. Median rent of $595/week (as at Jan–Mar 2026, Consumer & Business Services (SA)) equates to roughly $2,578/month — about 125% of the $2,058/month median mortgage repayment recorded at the 2021 Census. On those figures rental income covers most or all of the recorded repayment, but repayments on new loans have risen with interest rates since 2021, so re-run the coverage at today's rates before treating this as a cash-flow suburb. 11 km from Adelaide places Somerton 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. Only 55% of dwellings are separate houses (vs 73% state median), so this is a unit-heavy market where body-corporate decisions and strata supply meaningfully shape investor returns.
Investment tip
This suburb suits long-term investors looking for a balance of rental yield and capital growth. Schools and transport underpin family demand. At the 2021 Census, local rents consumed roughly 21% of household income — a dated but useful sanity check on tenant affordability.
Somerton Park vs South Australia median
How Somerton Park stacks up against the median of all South Australia suburbs in our dataset. Positive values mean Somerton Park sits above the state median; negative means below.
| Metric | Somerton Park | SA median | Δ vs state |
|---|---|---|---|
| Population | 5,811 | 3,699 | +57% |
| Median household income | $84,916/yr | $80,964/yr | +5% |
| Median rent (weekly, 2021 Census) | $335 | $320 | +5% |
| Median mortgage (monthly, 2021 Census) | $2,058 | $1,616 | +27% |
| Distance to CBD | 11 km | 13 km | -15% |
| Separate houses | 55% | 73% | -18pp |
Investor checklist
Pre-inspection briefing for Somerton Park — every item is derived from public datasets, with full citations in our data sources page.
- Market depth: 5,811 residents — 157% of the SA suburb median (3,699).
- Purchasing power: median household income $84,916/year (+5% vs South Australia suburb median of $80,964).
- Cash-flow coverage (2021 Census): $335/week rent (≈ $1,452/month) covered ~71% of the $2,058/month median mortgage at the 2021 Census — verify against current rents and rates.
- CBD access: 11 km straight-line from Adelaide (state suburb median 13 km).
- Dwelling mix: 55% separate houses — mixed market (vs 73% state median).
- Rate stress-test: budget ~$206/month extra for a 1-percentage-point RBA rate rise on top of the $2,058/month median repayment.
- Tenant rent burden: 21% of the median household income is spent on rent — comfortably affordable.
Investment strategy
Solid buy-and-hold profile: a population of 5,811 and household income close to the SA median ($84,916 vs $80,964) give the market enough depth for patient capital growth without the premium entry price of inner suburbs.
Moderate rental coverage at the 2021 Census: rent of $335/week covered 71% of a $2,058/month mortgage, a $606/month gap bridged with equity, depreciation and tax benefits. Re-check with current rents and rates before committing.
Only 55% of dwellings are separate houses (vs 73% SA 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
- Interest-rate sensitivity: the $2,058/month median mortgage in Somerton Park means a 1-percentage-point RBA rate rise could add roughly $206/month to repayments, reducing buyer borrowing capacity and cooling prices.
- Regulatory risk: changes to Australian tax settings (negative gearing, CGT discount, foreign-buyer surcharges, land-tax thresholds) could reshape after-tax returns in Somerton Park regardless of local market conditions.
- Market cycle risk: property markets are cyclical, so stress-test your projections in Somerton Park with a 10–15% price pullback scenario before committing capital — returns to date are not a guarantee of future performance.
Run the numbers on a Somerton Park property
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Start your journey near Somerton Park →2026 outlook
Property values in Somerton Park should track the wider South Australia market through 2026, with the $84,916/year median household income (5% above the $80,964 state median) keeping the suburb firmly mid-pack. At the 2021 Census, rental coverage ran at ~71% of the typical mortgage ($1,452/month rent vs $2,058/month repayment), leaving a manageable top-up for most investors. Verify against current rents and rates. Overall investor sentiment for Somerton Park is balanced heading into the second half of 2026, based on its income, rent and mortgage profile relative to the South Australia median.
Frequently asked questions
Is Somerton Park a good suburb for investment?
Whether Somerton Park suits you depends on your strategy, but the fundamentals are concrete: a population of 5,811, a median household income of $84,916/year and median weekly rent of $335. Weigh those against your goal — cash flow, capital growth, or a value-add renovation — each of which we break down with suburb-specific ABS numbers elsewhere on this page.
What drives property demand in Somerton Park?
The main demand drivers in Somerton Park are proximity to Adelaide (11 km), an above-state-median household income of $84,916/year, a dwelling mix that is 55% separate houses. Together these shape both owner-occupier and tenant demand.
What is the population of Somerton Park?
Somerton Park has a usual resident population of approximately 5,811, compared with a South Australia suburb median of 3,699 — placing it in the upper 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 Somerton Park from the Adelaide CBD?
Somerton Park sits 11 km straight-line from the Adelaide CBD. This is comfortable commuter territory, with reasonable rail and road access to the city.
What is the median rent in Somerton Park?
The median weekly rent in Somerton Park is $595 (as at Jan–Mar 2026, Consumer & Business Services (SA)), equating to approximately $30,940/year in gross rental income. Confirm against current listings on realestate.com.au and Domain before making an offer.
What is the typical mortgage repayment in Somerton Park?
The median monthly mortgage repayment in Somerton Park is $2,058, or approximately $24,696/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.
Is Somerton Park cash-flow positive for investors?
A median weekly rent of $335 works out to $1,452/month, covering 71% of the median mortgage repayment of $2,058/month. That leaves a $606/month shortfall (around $7,272/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 Somerton Park?
The main risks are interest-rate sensitivity on the $2,058 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.
How we built this Somerton Park profile
The population figure on this page comes from the ABS 2021 Census. The postcode comes from a community postcode dataset cross-checked against Australia Post. The dwelling mix is from the ABS 2021 Census. The median household income is the ABS 2021 Census median weekly household income, annualised. Distance to the CBD is calculated from the suburb's ABS centroid. The Census median rent and mortgage figures are 2021 figures and are labelled as such wherever they appear — they are five years old and have moved substantially since. The current median weekly rent in Key indicators is a genuine recent figure from Consumer & Business Services (SA) (Jan–Mar 2026), published under a Creative Commons licence and dated on the page. The median sale price shown comes from Valuer-General (SA) (Q1 2026), published under a Creative Commons licence and dated on the page. We do not publish an investment score or school/park counts for this suburb. See our methodology and data sources for exactly what's measured and what's estimated.