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Suburb profile ·Charles Sturt LGA · SA ·5023

Seaton SA 5023

Seaton is in Charles Sturt LGA, SA, postcode 5023, with population 10,877.

The read

Livability-led

There are enough stretched or weaker signals here that you should assume trade-offs rather than a clean story. Use compare mode to see whether the downside is price, local quality, or weaker momentum before treating it as a target suburb.

$580/wk
+1.8% YoY
Mar 2025 → Mar 2026 · 5 periods
SA private rent report · suburb grain · Mar 2026
$615
$549
Mar 2025Mar 2026
Why it fits

Transport coverage adds a practical access signal.

What to check

Gross yield looks low for an income-first use case.

Median house
$1.1M
House median, latest period
2.1%YoY D7 vs AU
Median rent
$580/wk
Income-stretched rent market
1.8%YoY D10 vs AU
Gross yield
2.8%
Low yield band
D8 vs AU
Population
10,877
11K local footprint
D10 vs AU
Schools
2
Matched school context
D8 vs AU
Solar
3,465
178 added 12mo · 21MW

Price history

HousesUnits

Houses to Q1'26 · Units to 2024 — house and unit medians are released on separate cycles, so their latest period can differ.

Trend & investor depth

Indicative cashflow-$576/wk (-$29,938/yr) · interest-only @ 6.1%, 80% LVR

Indicative cashflow is interest-only and excludes tax — use the calculator for a full projection.

Affordability

Buying
15.9x
median home price as a multiple of annual household income
Stretched
Renting
45%
median weekly rent as a share of gross household income (the 30% rule)
High stress

Owners with a mortgage repay a median of $1,700/mo, while renters pay about $2,513/mo — renting runs $813/mo higher on these medians.

Median price
$1.08M
Household income · yr
$68K
Median rent · wk
$580
Owner mortgage · mo
$1,700
Gross yield
2.8%

Household income

$68K household · yr-10.2% vs SA suburb median
Personal
$36K
Family
$92K
Household
$68K

Schools

Total2
Avg ICSEA1000
Students1,066
Government2
  • Seaton Park Primary SchoolPrimary · Government · ICSEA 999
  • Seaton High SchoolSecondary · Government · ICSEA 1001
Crime 2024-25
617
5,673 per 100k
D7 vs AU

Crime

Rate · per 100k5,673
Total incidents617· 2024-25
  • Assault12859%
  • Break And Enter7635%
  • Drug Offences00%
  • Fraud126%

Full data detail

Seaton SA — Property Data and Demographics

Seaton is a well-established suburb in South Australia within the Charles Sturt local government area (postcode 5023). With a population of 10,877, the suburb has a settled mid-life population with a median age of 40. Households earn a median income of $68K per year, with an average household size of 2.3 people. Recent annual estimates show population movement staying broadly stable across the broader catchment, with population growth running at +1.1% 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 professionals, clerical & administrative, technicians & trades. Employment in the area leans toward healthcare and retail trade. The top ancestries reported are English, Australian, Italian.

Median house prices in Seaton stand at $1.1 million, having eased back by 2.1% over the last twelve months. Units have a median price of $655,000 (+21.2% YoY). The current median weekly rent is $580. This gives a gross rental yield of approximately 2.8%. The median monthly mortgage repayment is $1,700.

Seaton is served by 2 schools, including 1 primary, 1 secondary. The average ICSEA score is 1000, which is around the national average of 1,000. Public transport access includes 1 rail station, 48 bus stops. The crime rate in the Charles Sturt LGA is moderate at 5,673 incidents per 100,000 population.

Looking at the investment signals, Gross rental yield sits at around 2.8% (low yield). Property prices are near the state median ($1.1M/$950K). The price-to-income ratio of 15.9x is considered stretched. House prices have moved -2.1% year-on-year. Population growth of +1.1% 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 Yield2.8% Low Yield
Price vs State$1.1M/$950K· Near Median
Affordability15.9x Stretched
Price Momentum-2.1% Falling
Pop. Growth+1.1%· Stable
Development+0%· Steady
InvestmentSA
Mortgage · mth$1,700
Rent · wk(Census)$310
Market rent · wk(Q1 2026)$580
Gross yield1.5%
Price / income15.9x
Population growth · Charles Sturt LGAABS ERP
Population (2025)130,841
5-year growth+1.4% CAGR
YoY change+1.1%
20012025
Development · Charles Sturt LGAABS Approvals
Approvals (2026)1,088
Houses468
Units620
YoY change+0%
Employment · Charles Sturt LGASALM
Unemployment (Dec-25)3.2%
YoY change-0.8pp
Dec-10Dec-25
Property investors · Postcode 5023ATO
Negatively geared610 (5.4% of filers)
Avg rental loss$5,787/yr
Landlords (rental income)1,306
Reported capital gains694
People & prosperity
DemographicsCensus 21
Population10,877
Median age40
Household size2.3
HH income · wk$1,300
Personal income · wk$696
Persons / bedroom0.8
IncomeATO 22-23
Median income$59,226
Mean income$69,077
Earners11,295
YoY change+5.9%
SEIFA indexABS
Advantage (IRSAD)3/10
Education (IEO)4/10
Economic (IER)2/10
Disadvantage (IRSD)3/10
Area & amenity
Local amenitiesOSM
Supermarkets0
Pharmacies0
GP / clinics0
Fuel stations2
Cafes & dining8
TransportGTFS
Rail stations1
Bus stops48
Seaton Park Railway Station
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Current status
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Sources & freshness
Strong evidence

Seaton carries enough direct local evidence 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 · 2026-Q1 · 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 · No linked local hospital coverage
medium stability · manual file · snapshot · mixed
Missing
Transport
GTFS feeds · 49 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.

Seaton FAQ

Common questions
  1. What LGA is Seaton in?

    Seaton is in the Charles Sturt Local Government Area, SA, postcode 5023. Council-level context for Charles Sturt LGA (suburb mix, population, rent, and price coverage) is available on the QuickProperty LGA page.

  2. What is the median house price in Seaton?

    The current median house price in Seaton, SA is $1.1M, based on the latest available sales data from state Valuers General offices and ABS Data by Region.

  3. What is the typical weekly rent in Seaton?

    The median weekly rent in Seaton is $580/wk, based on the current market rent dataset. The current rent signal is income-stretched rent market.

  4. What does the rent signal say about Seaton?

    Income-stretched rent market: Weekly rent screens at about 51% 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.

  5. Is Seaton a good investment?

    QuickProperty's investment signals for Seaton show: Low Yield, Near Median, Stretched. These are computed from price, rent, income, and population data — not an opaque score.

  6. Where does QuickProperty get its data for Seaton?

    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.

  7. How often is the Seaton 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.