South Johnstone, QLD 4859 — Suburb Profile
Last reviewed: · By Knowburb Research Team
In short
South Johnstone is a suburb of Queensland, postcode 4859, home to 456 residents with an established residential profile. Located in the Cassowary Coast local government area (Outer Regional Australia) and roughly 1314 km from the Brisbane CBD.
Snapshot
Demographics
- Population
- 456
- Median age
- 44 years
- Median household income
- $1,125 /week
- Median personal income
- $562 /week
- Median family income
- $1,437 /week
- Average household size
- 2.3
- Persons per bedroom
- 0.8
- Local government area
- Cassowary Coast
- Statistical region (SA4)
- Cairns
- Remoteness classification
- Outer Regional Australia
- Federal electorate
- Kennedy
Property & cost of living
- Median rent
- $240 /week
- Median monthly mortgage
- $867
- Rent share of household income
- 21%
Schools
- St Rita's School (South Johnstone)
- South Johnstone State School
- Mundoo State School
Transport
Transport data refreshes monthly from state GTFS feeds.
Lifestyle & amenities
- 1 pub or bar
Climate
- Warmest month: Jan (31.5°C avg max)
- Coolest month: Jul (25.9°C avg max)
- Annual rainfall: 2026 mm
- Reference station: Cairns Aero, 85.1 km away
NBN & connectivity
Fixed Wireless serves 99.6% of the 258 resolvable premises in South Johnstone. Most premises here are served by NBN Fixed Wireless from a nearby tower. Speed is shared with neighbours and weather-sensitive; plans up to NBN 100 are available where signal allows.
- Fibre to the Node: 0.4%
- Fixed Wireless: 99.6%
Safety
- Recorded offences: 3,064 across the Cassowary Coast LGA in the year to April 2026 (up 10% on the prior year).
- Most common categories: 1,185 theft, 600 drug offences, 503 violent offences.
Frequently asked questions
What is the population of South Johnstone?
South Johnstone (QLD 4859) had 456 residents at the most recent ABS Census. The median age is 44. It sits within the Cassowary Coast local government area.
What is the median rent in South Johnstone?
The median advertised rent in South Johnstone is $240/week, based on SQM Research listings data. Rents vary by property type, bedrooms and condition.
Are there schools in South Johnstone?
Yes — 3 schools are listed within or near South Johnstone covering catholic, government sectors. Nearest include: St Rita's School (South Johnstone) (0.1 km), South Johnstone State School (0.7 km), Mundoo State School (3.9 km). School data sourced from ACARA and state education departments.
What NBN technology is available in South Johnstone?
South Johnstone is predominantly served by Fixed Wireless (99.6% of premises). Coverage data is sourced from the NBN upgrade map aggregated from NBN Co address checks.
How safe is South Johnstone?
Across the surrounding area, 3,064 offences were recorded in the 12 months to APR26. The most common offence categories were theft (1,185), drug offences (600), violent (503). Crime statistics are recorded by area (postcode or LGA), not by individual suburb. Data sourced from each state's crime statistics agency.
What is the climate like in South Johnstone?
In South Johnstone, mean daily temperatures range from 20.9°C to 29.1°C and annual rainfall is 2,026 mm measured at the Cairns Aero weather station (85.1 km away). Long-term averages from the Bureau of Meteorology.
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: