Seaton North at a glance
Walk score
36
Car dependent
Population
17.9k
Median age 39
The brief
What to know about Seaton North.
The postcode for Seaton North is 5023 (SA), part of Greater Adelaide.
Seaton North (5023) sits in the Charles Sturt region of South Australia.
Seaton North has roughly 17,880 residents, with a typical family-age mix. Households are dominated by renters. Daily life is car-friendly: most residents drive to work, school and the shops.
Side by side
Compare Seaton North with a nearby suburb.
Median, growth, schools, walkability, all in one view.
Day to day
What it’s like to live here.
Seaton North scores 36/100 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 28°C (warm), winter mornings around 7°C (cool). Annual rainfall lands at about 448mm. Data comes from the Bureau of Meteorology's Adelaide (Kent Town) station, 11.1km away.
Schooling within or near the suburb covers 10 government primary, 3 government secondary, 5 Catholic, 1 independent.
Who lives here
Demographics.
The 2021 Census put Seaton North's population at 17,880, with a median age of 39. That sits as a typical family-age mix.
Population
17,880
Median age
39
Family households
–
Lone person
–
Market
The price of a home here.
Median house price
Verified median pending
We don't yet have a verified suburb-level median for this market. We're working on a data partner; in the meantime, treat the state-level figures as a guide only. How we source data.
Rental and ownership
Weekly rent (house)
$310/wk
Weekly rent (unit)
$264/wk
Owner occupied
–
Renter occupied
–
At a deeper level
17,880
Median age: 39
Free appraisal
What’s your home worth in Seaton North?
A local agent who actually sells in Seaton North will give you an honest number, backed by recent comparable sales. Free, no commitment to list.
Free guide · 2026 edition
Thinking of selling in Seaton North?
The complete guide to selling: what it costs, how agents price your home, and a 12-week plan to settlement. Personalised to Seaton North, free, in 60 seconds.
Free guide · 2026 edition
Thinking of buying in Seaton North?
What you can actually spend, the 2026 first home buyer schemes for your state, and how not to overpay. A free buying guide, in about 60 seconds.
Get property alerts for Seaton North
Be the first to know when new listings hit the market.
Getting around
Walkability.
36
0
100
Scores calculated from OpenStreetMap data (ODbL)
Walkability data as of May 2026· OpenStreetMap
Place
Location.
Amenities
Transport
Education
Schools in Seaton North.
Local schools for Seaton North
View the catchment for each school to find out more.
Government School Catchment
Hendon Primary School
Seaton High School
Seaton Park Primary School
© ACARA, licensed under CC BY 4.0.
Climate
Weather year-round.
Annual Rainfall
448 mm
Hottest Month (avg max)
28.0°C
Coldest Month (avg min)
7.0°C
Monthly Rainfall (mm)
Weather data from BOM station Adelaide (Kent Town) (11 km away)
Climate data as of May 2026· Bureau of Meteorology
Frequently asked
About Seaton North.
- What is the Seaton North postcode?
- Seaton North is in the 5023 postcode, in SA, in the City of Charles Sturt region.
- Where is Seaton North?
- Seaton North is a suburb of Adelaide, in SA 5023. It is part of the Greater Adelaide area, in the City of Charles Sturt region.
- What is the average rent in Seaton North?
- The median weekly rent for houses is $310, for units it's $264.
- What schools are in Seaton North?
- There are 20 schools serving Seaton North on this page, including Hendon Primary School, Seaton High School, Our Lady Queen of Peace School.
- How walkable is Seaton North?
- Seaton North has a Walk Score of 36 out of 100, car-dependent for most errands. transit score 0, bike score 100.
- What suburbs are near Seaton North?
- Seaton North is close to Albert Park, Woodville West, Hendon, Royal Park, Seaton.
- What is the population of Seaton North?
- The population of Seaton North is approximately 17,880 (2021 Census). The median age is 39.
For Sale
Seaton North
Buying
Selling
Surrounding Suburbs
Side by side
Compare Seaton North vs a nearby suburb
See median prices, growth, schools, walkability and risk side by side in one view.
Sources cited
Median, growth and rental data from state revenue offices and ABS. Census from ABS 2021. Climate from BoM. Hazard from Geoscience Australia. School data from ACARA. Crime from state police open data. Full methodology →
Always dated
Every figure on this page carries its source and as-of date in a tooltip. If a figure looks off to you, tell us and we’ll fix it within a week.
No login
No paywall, no sign-up, no download form. The suburb data is the product. We earn from partner brokers and agents on the rare occasion you ask for one.
Thinking about selling in Seaton North?
The complete selling guide, personalised to Seaton North: what it really costs, how agents price homes here, and a 12-week plan to settlement. Free PDF, 60 seconds.
Get the free selling guide