Seaton, SA 5023
City of Charles SturtAll suburbs in postcode 5023
Updated
Median house price
$1,130,000
+16.5% over the past year.
Median of 43 house sales · SA Government · the latest published quarter (updated October 2026)
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Seaton at a glance
- Median unit
- $271,440
- Weekly rent
- $675
- Houses · units $510
- Population
- 10.9k
- Median age 40
Prices: Median of 43 house sales · SA Government · the latest published quarter (updated October 2026) · Rent: SA rental bond data, June 2026 · Population: 2021 Census
House prices in Seaton
Houses change hands at $1,130,000 on a typical sale, well above the South Australia median (43 house sales, SA Government quarterly medians, the latest published quarter (updated October 2026)). Units come in around $271,440, roughly 76% below the house median. The last 12 months delivered strong growth (+16.5%), well clear of the long-run average for the state.
For sellers
Twelve-month growth is +16.5%, supporting confident pricing at the upper end of recent comparables.
For buyers
A 20% deposit on the median house works out to roughly $226,000. Prices sit well above the South Australia median, so plan for a stretched deposit and shop carefully on borrowing capacity.
Rental data as of June 2026· SA rental bond data
Free appraisal in Seaton
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What to know about Seaton
Seaton (5023) sits in the Charles Sturt region of South Australia. The median house here is $1,130,000, well above the South Australia median of around $720K. Prices have moved +16.5% over the past year, well clear of the South Australia average (5%).
Seaton has roughly 10,877 residents, with a typical family-age mix. Households are mostly owner-occupied. Daily life is car-friendly: most residents drive to work, school and the shops.
What it’s like to live here
Seaton scores 28/100 on walkability, which makes it car-friendly with limited public transport. Plan for two cars in a typical household, especially if work isn't local.
Summer days here average around 29°C (warm), winter mornings around 7°C (cool). Annual rainfall lands at about 439 mm. Figures are our 1991 to 2020 averages of SILO data for this location (Queensland Government, built from Bureau of Meteorology observations).
Schooling within or near the suburb covers 10 government primary, 4 government secondary, 6 Catholic.
Schools in Seaton
Location
Walkability
- Walk
- 28/100
- Transit
- 0/100
- Bike
- 100/100
Car dependent. Scores out of 100, calculated from OpenStreetMap data (ODbL).
Walkability data as of May 2026· OpenStreetMap
Demographics
The 2021 Census put Seaton's population at 10,877, with a median age of 40. That sits as a typical family-age mix. Households are mostly owner-occupied (60% own, 36% rent), which shapes everything from school catchment stability to how often properties turn over. The household mix skews family-dominated (63% family households, 33% lone person), so amenity decisions tend to follow what families want: parks, schools, supermarkets.
- Family households
- 63%
- Lone person
- 33%
- Owner occupied
- 60%
- Renter occupied
- 36%
Demographics data as of May 2026· ABS 2021 Census
Investment overview
Gross rental yield on houses sits at 3.11% (median rent $675/wk against a $1,130,000 price tag). Units yield 9.77% gross, often the better cash-flow play for first-time investors. With 36% of households renting, the leasing market is established and vacancy risk tends to be lower than in owner-dominated suburbs. The 12-month growth of +16.5% adds a capital-growth case on top of the yield.
- Gross yield, housesSource: data.sa.gov.au · Oct 2026
- 3.11%
- On the $1,130,000 median
- Gross yield, unitsSource: data.sa.gov.au · Oct 2026
- 9.77%
- On the $271,440 median
- 12-month change, housesSource: data.sa.gov.au · Oct 2026
- +16.5%
Gross rental yield is a year’s rent divided by the purchase price, before expenses. It leaves out vacancy, management fees, maintenance and financing costs, so treat it as a starting point.
Crime and safety
757 offences recorded in 2025-26
Top offence categories
Source: State Police Open Data
Crime data as of June 2026
Weather year-round
- Annual rainfall
- 439 mm
- Hottest month, avg max
- 29.2°C
- Coldest month, avg min
- 7.3°C
Rainfall by month
Our 1991 to 2020 averages of SILO data (Queensland Government, built from Bureau of Meteorology observations, CC BY 4.0) for this location.
Climate data as of October 2026· SILO (Queensland Government), from Bureau of Meteorology observations
Questions about Seaton
- What is the median house price in Seaton?
- The median house price in Seaton, SA 5023 is $1,130,000 (The SA Government's quarterly suburb median from 43 house sales, the latest published quarter (updated October 2026)). The median unit price is $271,440. Annual growth is +16.5%.
- How much is my house worth in Seaton?
- A useful starting point is the Seaton median house price of $1,130,000 (units $271,440). Your home will sit above or below that depending on land size, condition, position and what comparable homes nearby have sold for recently. For a figure specific to your property, request a free property appraisal from a local agent using the form on this page.
- Is Seaton a good investment?
- On the published figures, the gross rental yield on houses in Seaton is 3.1%: the median weekly house rent is $675 (SA rental bond data, June 2026) against the median house price of $1,130,000 (SA Government, the latest published quarter, updated October 2026). The median house price rose 16.5% over 12 months on the same SA Government figures. Whether Seaton is a good investment for you depends on the price you pay, your loan and holding costs, vacancy and your tax position. These are published market figures, not financial advice.
- What is the Seaton postcode?
- Seaton is in the 5023 postcode, in SA, in the City of Charles Sturt region.
- Where is Seaton?
- Seaton is a suburb in the City of Charles Sturt area, SA 5023.
- What is the average rent in Seaton?
- The median weekly rent for houses is $675, for units it's $510.
- What schools are in Seaton?
- There are 20 schools serving Seaton on this page, including Seaton Park Primary School, Findon High School, Grange Primary School.
- How walkable is Seaton?
- Seaton has a Walk Score of 28 out of 100, car-dependent for most errands. transit score 0, bike score 100.
- What suburbs are near Seaton?
- Seaton is close to Fulham Gardens, Findon, Kirkcaldy, Seaton North, Woodville West.
- What is the population of Seaton?
- The population of Seaton is approximately 10,877 (2021 Census). The median age is 40.
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Sources. House and unit medians from the NSW Valuer General, Land Victoria, the SA Government and the ABS; rents from the state rental bond authorities. Census from the ABS (2021), climate from the Bureau of Meteorology, hazard from Geoscience Australia, schools from ACARA and crime from state police open data. Each figure carries its source and date. How we source data
How we’re paid. The guides and this page are free. When a seller asks, we introduce one local agent, and the agent pays us a flat fee for the introduction, never a share of their commission; it costs the seller nothing. If a figure looks wrong, tell us and we’ll fix it.