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Suburb profile ·Alexandrina LGA · SA ·5255

Strathalbyn SA 5255

Strathalbyn is in Alexandrina LGA, SA, postcode 5255, with population 7,246.

The read

Income-first

Price, rent, or affordability signals are lining up without a clear local red flag, and the broader demand backdrop is at least supportive. Treat this as a suburb worth comparing seriously, then stress-test it in the calculator before making a conviction call.

$524/wk
+4.6% YoY
Mar 2025 → Mar 2026 · 5 periods
SA private rent report · suburb grain · Mar 2026
$524
$490
Mar 2025Mar 2026
Why it fits

Gross yield screens at about 6.1%. Entry price sits in the lower-cost range for a first-pass screen.

Median house
No local house series
Median rent
$524/wk
Income-stretched rent market
4.6%YoY D10 vs AU
Gross yield
Need rent + price
Population
7,246
7K local footprint
D10 vs AU
Schools
2
Matched school context
D8 vs AU
Solar
3,510
182 added 12mo · 24MW

Price history

HousesUnits

Affordability

Buying
6.9x
median home price as a multiple of annual household income
Moderate
Renting
42%
median weekly rent as a share of gross household income (the 30% rule)
High stress

Owners with a mortgage repay a median of $1,500/mo, while renters pay about $2,271/mo — renting runs $771/mo higher on these medians.

Median price
$450K
Household income · yr
$65K
Median rent · wk
$524
Owner mortgage · mo
$1,500

Household income

$65K household · yr-13.4% vs SA suburb median
Personal
$33K
Family
$81K
Household
$65K

Schools

Total2
Avg ICSEA997
Students1,649
Government1
Independent1
  • Eastern Fleurieu R-12 SchoolCombined · Government · ICSEA 981
  • Tyndale Christian School StrathalbynCombined · Independent · ICSEA 1013
Crime 2024-25
177
2,443 per 100k
D4 vs AU

Crime

Rate · per 100k2,443
Total incidents177· 2024-25
  • Assault6163%
  • Break And Enter2728%
  • Drug Offences00%
  • Fraud99%

Full data detail

Strathalbyn SA — Property Data and Demographics

Strathalbyn is a medium-sized suburb in South Australia within the Alexandrina local government area (postcode 5255). With a population of 7,246, the suburb has an older-leaning population with a median age of 47. Households earn a median income of $65K per year, with an average household size of 2.4 people. Recent annual estimates show population movement into the broader catchment, with population growth running at +1.6% year-on-year at the LGA level. SA employment has moved +2.1% year-on-year in the official Jobs and Skills Australia NERO series, which provides the broader jobs backdrop for this suburb. SA also had 23 Commonwealth-backed major projects under construction, 2 underway, and 11 in planning as at 2 October 2024, which is useful as a broader delivery backdrop rather than a suburb-specific project count. The most common occupations are technicians & trades, professionals, community & personal service. Employment in the area leans toward healthcare and retail trade. The top ancestries reported are English, Australian, Scottish.

Units have a median price of $450,000 (+5.3% YoY). The current median weekly rent is $524. This gives a gross rental yield of approximately 6.1%. The median monthly mortgage repayment is $1,500.

Strathalbyn is served by 2 schools, including 2 combined. The average ICSEA score is 997, which is around the national average of 1,000. Public transport access includes 4 bus stops. Healthcare facilities include 1 public hospital. The crime rate in the Alexandrina LGA is below average at 2,443 incidents per 100,000 population.

On the investment side, The gross rental yield works out to roughly 6.1%, which reads as high yield. Property prices sit below the state median ($450K/$950K), which can point to relative value. The price-to-income ratio of 6.9x is considered moderate. House prices have moved +5.3% year-on-year. Population growth of +1.6% year-on-year points to stable demand fundamentals. Building approvals have changed +0% year-on-year, indicating steady development activity.

Market & money
Investment signalsHeuristics
Rental Yield6.1% High Yield
Price vs State$450K/$950K Below Median
Affordability6.9x· Moderate
Price Momentum+5.3% Rising
Pop. Growth+1.6%· Stable
Development+0%· Steady
InvestmentSA
Mortgage · mth$1,500
Rent · wk(Census)$300
Market rent · wk(Q1 2026)$524
Gross yield3.5%
Price / income6.9x
Population growth · Alexandrina LGAABS ERP
Population (2025)31,427
5-year growth+2% CAGR
YoY change+1.6%
20012025
Development · Alexandrina LGAABS Approvals
Approvals (2026)256
Houses249
Units7
YoY change+0%
Employment · Alexandrina LGASALM
Unemployment (Dec-25)3%
YoY change+0.9pp
Dec-10Dec-25
Property investors · Postcode 5255ATO
Negatively geared342 (5.5% of filers)
Avg rental loss$5,403/yr
Landlords (rental income)786
Reported capital gains589
People & prosperity
DemographicsCensus 21
Population7,246
Median age47
Household size2.4
HH income · wk$1,254
Personal income · wk$641
Persons / bedroom0.7
IncomeATO 22-23
Median income$50,133
Mean income$58,541
Earners5,012
YoY change+5.1%
SEIFA indexABS
Advantage (IRSAD)4/10
Education (IEO)3/10
Economic (IER)5/10
Disadvantage (IRSD)3/10
Area & amenity
Local amenitiesOSM
Supermarkets1
Pharmacies0
GP / clinics0
Fuel stations2
Cafes & dining1
woolworths1
TransportGTFS
Bus stops4
Hospitals · 1AIHW
Public1
Private0
Strathalbyn and District Health Servicepublic
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Current status
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Sources & freshness
Strong evidence

There is enough direct local evidence on Strathalbyn for a first-pass decision.

QuickProperty mixes release files, Census baselines, and matched local services on this page. Read the status panel before treating every metric as equally fresh.

PRICE POSTURE
Prices come from release-based suburb series.

Official quarterly house sales workbooks; units remain on ABS fallback coverage

RENT POSTURE
Rent is using a state market dataset when available.

Use current rent as a starting signal, not as a fixed underwriting truth.

SERVICE POSTURE
Service coverage is matched locally, not inferred nationally.

Schools, transport, and hospitals are useful as presence signals, but they still have different source cadences.

Data status
Property prices
SA metropolitan median house sales · 2024 · Official quarterly house sales workbooks; units remain on ABS fallback coverage
stable source · automated · every update · quarterly
Available
Market rent
SA Housing Authority / CBS · Q1 2026 · State market dataset
medium stability · automated · every update · quarterly
Available
Crime
State crime dataset · 2024-25 · Area-level release dataset
Available
Schools
ACARA 2025 · 2 schools matched
stable source · automated · every update · annual
Available
Hospitals
AIHW · 1 hospitals matched
medium stability · manual file · snapshot · mixed
Available
Transport
GTFS feeds · 4 matched stops/stations
medium stability · manual file · snapshot · mixed
Available
Population growth
ABS ERP · 2025 · Annual estimate series
stable source · automated · every update · annual
Available
Building approvals
ABS Building Approvals · 2026 · Annual release series
stable source · automated · every update · monthly
Available
Available means a direct local dataset is linked. Verify means coverage exists but freshness or precision is weaker, such as ABS price fallback, Census rent fallback, or low-confidence hospital matching.

Strathalbyn FAQ

Common questions
  1. What LGA is Strathalbyn in?

    Strathalbyn is in the Alexandrina Local Government Area, SA, postcode 5255. Council-level context for Alexandrina LGA (suburb mix, population, rent, and price coverage) is available on the QuickProperty LGA page.

  2. What is the typical weekly rent in Strathalbyn?

    The median weekly rent in Strathalbyn is $524/wk, based on the current market rent dataset. The current rent signal is income-stretched rent market.

  3. What does the rent signal say about Strathalbyn?

    Income-stretched rent market: Weekly rent screens at about 54% of annual income. Use this as a suburb screening signal before comparing candidates or modelling a purchase; the matching rent ranking can provide broader market context.

  4. Is Strathalbyn a good investment?

    QuickProperty's investment signals for Strathalbyn show: High Yield, Below Median, Moderate. These are computed from price, rent, income, and population data — not an opaque score.

  5. Where does QuickProperty get its data for Strathalbyn?

    Property prices come from state Valuers General offices and ABS Data by Region. Demographics are from ABS Census 2021. School ICSEA scores are from ACARA. Crime statistics are from state police agencies. Transport data is sourced from GTFS feeds.

  6. How often is the Strathalbyn data updated?

    Property prices update quarterly. RBA macro indicators update with each deploy. Demographics are from Census 2021. School ICSEA scores are from ACARA 2025.