Cardinia, VIC 3978 — Suburb Profile
Last reviewed: · By Knowburb Research Team
In short
Cardinia is a suburb of Victoria, postcode 3978, home to 342 residents with an established residential profile. Located in the Cardinia local government area and roughly 51 km from the Melbourne CBD.
Snapshot
Demographics
- Population
- 342
- Median age
- 44 years
- Median household income
- $1,875 /week
- Median personal income
- $693 /week
- Median family income
- $2,036 /week
- Average household size
- 2.9
- Persons per bedroom
- 0.8
- Local government area
- Cardinia
- Statistical region (SA4)
- Melbourne - South East
- Remoteness classification
- Major Cities of Australia
- Federal electorate
- Monash
Property & cost of living
- Median rent
- $390 /week
- Median monthly mortgage
- $1,950
- Rent share of household income
- 21%
Schools
- Topirum Primary School
- St Josephine Bakhita Catholic Primary School
- Clyde Grammar
- Cardinia Primary School
- Clyde Secondary College
Transport
Transport data refreshes monthly from state GTFS feeds.
Lifestyle & amenities
- 1 restaurant
- 20 parks and reserves
Climate
- Warmest month: Jan (25.9°C avg max)
- Coolest month: Jul (13.5°C avg max)
- Annual rainfall: 648 mm
- Reference station: Melbourne Regional Office, 51.3 km away
NBN & connectivity
Fixed Wireless serves 99.3% of the 150 resolvable premises in Cardinia. 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 Curb: 0.7%
- Fixed Wireless: 99.3%
Safety
- Recorded offences: 3,849 across postcode 3978 in the year to December 2025.
- Most common categories: 2,253 property offences, 788 violent offences, 105 drug offences.
- Wider Cardinia LGA: 7,195 offences per 100,000 residents.
Frequently asked questions
What is the population of Cardinia?
Cardinia (VIC 3978) had 342 residents at the most recent ABS Census. The median age is 44. It sits within the Cardinia local government area.
What is the median rent in Cardinia?
The median advertised rent in Cardinia is $390/week, based on SQM Research listings data. Rents vary by property type, bedrooms and condition.
Are there schools in Cardinia?
Yes — 5 schools are listed within or near Cardinia covering government, catholic, independent sectors. Nearest include: Topirum Primary School (2.9 km), St Josephine Bakhita Catholic Primary School (3.2 km), Clyde Grammar (3.3 km). School data sourced from ACARA and state education departments.
What NBN technology is available in Cardinia?
Cardinia is predominantly served by Fixed Wireless (99.3% of premises). Coverage data is sourced from the NBN upgrade map aggregated from NBN Co address checks.
How safe is Cardinia?
Across postcode 3978, 3,849 offences were recorded in the 12 months to December 2025. The most common offence categories were property (2,253), violent (788), drug offences (105). 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 Cardinia?
In Cardinia, mean daily temperatures range from 10.3°C to 19.9°C and annual rainfall is 648 mm measured at the Melbourne Regional Office weather station (51.3 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: