Suburb overview
St Peters is a well-established middle-ring suburb of Adelaide, Australia, with a population of approximately 3,231, making it a boutique locality. Located 3 km from the Adelaide CBD, St Peters is a middle ring area in South Australia. The median household income is $117,832 per year.
Location
Key indicators
Postcode
5069
Postcode for St Peters, from a community postcode dataset cross-checked against Australia Post. A postcode may cover multiple suburbs.
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Population
3,231
Usual resident population at the most recent census.
Median weekly rent
$530/wk
Median weekly rent — as at Jan–Mar 2026, Consumer & Business Services (SA) (CC BY 4.0).
Distance to CBD
3 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
$2,400,000
Median house sale price — as at Q1 2026, Valuer-General (SA) (CC BY 4.0). Figure covers suburb (metro Adelaide).
Indicative gross yield
1.1%
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
$2,700/mo
Monthly median mortgage repayment for households currently paying off a mortgage.
Home type
66% houses
Proportion of separate houses versus units, townhouses, and other home types. Useful for investors assessing rental demand mix.
Why people like living in St Peters
- Short commute into Adelaide: ~3 km from the CBD.
- Established streets, local shops, and schools within the neighbourhood.
Who St Peters suits
Pros and cons
Pros
- Rent sits within an affordable share of local incomes, supporting tenant demand.
- Short distance to the CBD makes commuting straightforward.
- Established middle-ring position between the CBD and the urban fringe.
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
3,231 residents places St Peters squarely in the middle of the South Australia suburb size distribution (state median 3,699), with market depth comparable to most SA localities. Median household income of $117,832/year runs 46% 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. Median rent of $530/week (as at Jan–Mar 2026, Consumer & Business Services (SA)) covers about 85% of the $2,700/month median mortgage repayment recorded at the 2021 Census, leaving a gap of roughly $403/month on those figures — and since the mortgage baseline predates the post-2021 rate rises, the real gap on a new loan is likely wider. At 3 km from the Adelaide CBD, St Peters sits inside the high-demand inner ring — properties here compete directly with the city's employment, transport and amenity networks.
Investment tip
Middle-ring locations like this one historically reward patient holders — focus on homes near catchment-zone schools and major transport. At the 2021 Census, local rents consumed roughly 14% of household income — a dated but useful sanity check on tenant affordability.
St Peters vs South Australia median
How St Peters stacks up against the median of all South Australia suburbs in our dataset. Positive values mean St Peters sits above the state median; negative means below.
| Metric | St Peters | SA median | Δ vs state |
|---|---|---|---|
| Population | 3,231 | 3,699 | -13% |
| Median household income | $117,832/yr | $80,964/yr | +46% |
| Median rent (weekly, 2021 Census) | $310 | $320 | -3% |
| Median mortgage (monthly, 2021 Census) | $2,700 | $1,616 | +67% |
| Distance to CBD | 3 km | 13 km | -77% |
| Separate houses | 66% | 73% | -7pp |
Investor checklist
Pre-inspection briefing for St Peters — every item is derived from public datasets, with full citations in our data sources page.
- Market depth: 3,231 residents — 87% of the SA suburb median (3,699).
- Purchasing power: median household income $117,832/year (+46% vs South Australia suburb median of $80,964).
- Cash-flow coverage (2021 Census): $310/week rent (≈ $1,343/month) covered ~50% of the $2,700/month median mortgage at the 2021 Census — verify against current rents and rates.
- CBD access: 3 km straight-line from Adelaide (state suburb median 13 km).
- Dwelling mix: 66% separate houses — mixed market (vs 73% state median).
- Rate stress-test: budget ~$270/month extra for a 1-percentage-point RBA rate rise on top of the $2,700/month median repayment.
- Tenant rent burden: 14% of the median household income is spent on rent — comfortably affordable.
Investment strategy
Strong buy-and-hold fundamentals: household incomes run 46% above the South Australia suburb median ($117,832 vs $80,964), and the 3 km CBD distance keeps this suburb in the primary demand zone. In South Australia, suburbs with this profile have historically clustered in the upper tercile of 10-year capital growth.
Weak cash flow at the 2021 Census: $310/week rent covered only 50% of the $2,700/month median mortgage — a $1,357/month gap funded from other income. On the Census snapshot this reads as a capital-growth play, not a yield play; verify current rents before deciding.
With 66% houses in a 3,231-person market, renovation margins depend on individual street and aspect rather than any suburb-wide story — do comparable-sales analysis before committing capital.
Risk factors
- Interest-rate sensitivity: the $2,700/month median mortgage in St Peters means a 1-percentage-point RBA rate rise could add roughly $270/month to repayments, reducing buyer borrowing capacity and cooling prices.
- Premium-pricing risk: incomes 46% above the South Australia median ($117,832 vs $80,964) correlate with elevated purchase prices and compressed gross yields — enter only with a clear capital-growth thesis and a comfortable deposit.
- Liquidity risk: with 3,231 residents, St Peters has a thinner pool of buyers and tenants than larger suburbs. Expect longer days-on-market on resale and budget for potential vacancy gaps between tenancies.
- Regulatory risk: changes to Australian tax settings (negative gearing, CGT discount, foreign-buyer surcharges, land-tax thresholds) could reshape after-tax returns in St Peters regardless of local market conditions.
- Market cycle risk: property markets are cyclical, so stress-test your projections in St Peters 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 St Peters property
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Start your journey near St Peters →2026 outlook
St Peters enters 2026 with a demographic tailwind — household incomes 46% above the South Australia suburb median of $80,964 and a population of 3,231 give it the depth and purchasing power to outperform the wider SA market over the next 12–18 months. At the 2021 Census, rental coverage ran at ~50% of the typical mortgage ($1,343/month rent vs $2,700/month repayment), meaning investors will rely on capital growth rather than yield. Verify against current rents and rates. Overall investor sentiment for St Peters is constructive 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 St Peters a good suburb for investment?
Whether St Peters suits you depends on your strategy, but the fundamentals are concrete: a population of 3,231, a median household income of $117,832/year and median weekly rent of $310. 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 St Peters?
The main demand drivers in St Peters are proximity to Adelaide (3 km), an above-state-median household income of $117,832/year, a dwelling mix that is 66% separate houses. Together these shape both owner-occupier and tenant demand.
What is the population of St Peters?
St Peters has a usual resident population of approximately 3,231, 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.
How far is St Peters from the Adelaide CBD?
St Peters sits 3 km straight-line from the Adelaide CBD. This is inner-ring territory — pricing competes directly with established Adelaide employment nodes.
What is the median rent in St Peters?
The median weekly rent in St Peters is $530 (as at Jan–Mar 2026, Consumer & Business Services (SA)), equating to approximately $27,560/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 St Peters?
The median monthly mortgage repayment in St Peters is $2,700, or approximately $32,400/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.
Is St Peters cash-flow positive for investors?
A median weekly rent of $310 works out to $1,343/month, covering 50% of the median mortgage repayment of $2,700/month. That leaves a $1,357/month shortfall (around $16,284/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 St Peters?
The main risks are a thin buyer pool (3,231 residents), interest-rate sensitivity on the $2,700 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 St Peters 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.