Seddon, SA 5223 — Suburb Profile
Last reviewed: · By Knowburb Research Team
In short
Seddon is a suburb of South Australia, postcode 5223, home to 107 residents with a balanced age mix. Located in the Kangaroo Island local government area (Remote Australia) and roughly 158 km from the Adelaide CBD.
Snapshot
Demographics
- Population
- 107
- Median age
- 37 years
- Median household income
- $1,708 /week
- Median personal income
- $725 /week
- Median family income
- $2,125 /week
- Average household size
- 2.9
- Persons per bedroom
- 0.9
- Local government area
- Kangaroo Island
- Statistical region (SA4)
- South Australia - South East
- Remoteness classification
- Remote Australia
- Federal electorate
- Mayo
Property & cost of living
- Median rent
- $125 /week
- Median monthly mortgage
- $663
- Rent share of household income
- 7%
Schools
- Parndana Campus
Transport
Transport data refreshes monthly from state GTFS feeds.
Lifestyle & amenities
- 14 cafés
- 9 restaurants
- 5 pubs and bars
- 159 parks and reserves
- 8 gyms and fitness centres
- 1 supermarket
- 1 playground
Climate
Climate normals from the Bureau of Meteorology.
NBN & connectivity
Sky Muster (Satellite) serves 96.6% of the 29 resolvable premises in Seddon. Most premises here are too remote for any wired or fixed-wireless service and rely on Sky Muster satellite. Latency is high (typically 600 ms+) and data allowances apply.
- Fibre to the Curb: 3.4%
- Sky Muster (Satellite): 96.6%
Safety
- Recorded offences: 100 across postcode 5223 in the year to FY2024–25 (up 6% on the prior year).
- Most common categories: 29 violent offences, 27 property damage, 25 theft.
Nearby suburbs
Frequently asked questions
What is the population of Seddon?
Seddon (SA 5223) had 107 residents at the most recent ABS Census. The median age is 37. It sits within the Kangaroo Island local government area.
What is the median rent in Seddon?
The median advertised rent in Seddon is $125/week, based on SQM Research listings data. Rents vary by property type, bedrooms and condition.
Are there schools in Seddon?
Yes — 1 school is listed within or near Seddon covering government sectors. Nearest include: Parndana Campus (8.2 km). School data sourced from ACARA and state education departments.
What NBN technology is available in Seddon?
Seddon is predominantly served by Sky Muster satellite (96.6% of premises). Coverage data is sourced from the NBN upgrade map aggregated from NBN Co address checks.
How safe is Seddon?
Across postcode 5223, 100 offences were recorded in the 12 months to FY2024–25. The most common offence categories were violent (29), property damage (27), theft (25). Crime statistics are recorded by area (postcode or LGA), not by individual suburb. Data sourced from each state's crime statistics agency.
Sources & methodology
Demographics from ABS Census. Property data from SQM Research. Climate from Bureau of Meteorology. Schools from ACARA. NBN from NBN Co. Amenities from OpenStreetMap. See full methodology.
Additional sources for this profile: