Gillieston Heights at a glance
Walk score
14
Very car dependent
Population
4,796
Median age 30
The brief
What to know about Gillieston Heights.
The postcode for Gillieston Heights is 2321 (NSW).
Gillieston Heights (2321) sits in the Port Stephens region of NSW.
Gillieston Heights has roughly 4,796 residents, with a young-family demographic. Households are mostly owner-occupied. Daily life is car-dependent: most residents drive to work, school and the shops.
Side by side
Compare Gillieston Heights with a nearby suburb.
Median, growth, schools, walkability, all in one view.
Day to day
What it’s like to live here.
Gillieston Heights scores 14/100 on walkability, which makes it car-dependent with limited public transport. Plan for two cars in a typical household, especially if work isn't local.
Summer days here average around 25°C (mild), winter mornings around 8°C (mild). Annual rainfall lands at about 1143mm. Data comes from the Bureau of Meteorology's Newcastle Nobbys Signal station, 25.0km away.
Schooling within or near the suburb covers 7 government primary, 4 government secondary, 4 Catholic, 5 independent.
Who lives here
Demographics.
The 2021 Census put Gillieston Heights's population at 4,796, with a median age of 30. That sits as a young-family demographic. Households are mostly owner-occupied (60% own, 38% rent), which shapes everything from school catchment stability to how often properties turn over. The household mix skews family-dominated (79% family households, 19% lone person), so amenity decisions tend to follow what families want: parks, schools, supermarkets.
Population
4,796
Median age
30
Family households
79%
Lone person
19%
Demographics data as of May 2026· ABS 2021 Census
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.
Sales data as of May 2026· rental-nsw
Rental and ownership
Weekly rent (house)
$427/wk
Weekly rent (unit)
$430/wk
Owner occupied
60%
Renter occupied
38%
At a deeper level
4,796
Median age: 30
Free appraisal
What’s your home worth in Gillieston Heights?
A local agent who actually sells in Gillieston Heights will give you an honest number, backed by recent comparable sales. Free, no commitment to list.
Free guide · 2026 edition
Thinking of selling in Gillieston Heights?
The complete guide to selling: what it costs, how agents price your home, and a 12-week plan to settlement. Personalised to Gillieston Heights, free, in 60 seconds.
Free guide · 2026 edition
Thinking of buying in Gillieston Heights?
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 Gillieston Heights
Be the first to know when new listings hit the market.
Safety
Crime and safety.
215
total offences in 2025
Top offence categories
Crime statistics are reported at LGA level and may cover a broader area than this suburb.
Source: State Police Open Data
Crime data as of January 2025· State Police Open Data
Getting around
Walkability.
14
0
100
Scores calculated from OpenStreetMap data (ODbL)
Walkability data as of May 2026· OpenStreetMap
Place
Location.
Amenities
Transport
Education
Schools in Gillieston Heights.
Local schools for Gillieston Heights
View the catchment for each school to find out more.
Government School Catchment
Gillieston Public School
Maitland Public School
Telarah Public School
© ACARA, licensed under CC BY 4.0.
Climate
Weather year-round.
Annual Rainfall
1143 mm
Hottest Month (avg max)
24.7°C
Coldest Month (avg min)
8.2°C
Monthly Rainfall (mm)
Weather data from BOM station Newcastle Nobbys Signal (25 km away)
Climate data as of May 2026· Bureau of Meteorology
Frequently asked
About Gillieston Heights.
- What is the Gillieston Heights postcode?
- Gillieston Heights is in the 2321 postcode, in NSW, in the Port Stephens Council region.
- Where is Gillieston Heights?
- Gillieston Heights is a regional suburb in NSW, postcode 2321, in the Port Stephens Council region.
- What is the average rent in Gillieston Heights?
- The median weekly rent for houses is $427, for units it's $430.
- What schools are in Gillieston Heights?
- There are 20 schools serving Gillieston Heights on this page, including The Heights Learning Community, Gillieston Public School, Hunter Trade College.
- How walkable is Gillieston Heights?
- Gillieston Heights has a Walk Score of 14 out of 100, highly car-dependent. transit score 0, bike score 100.
- What suburbs are near Gillieston Heights?
- Gillieston Heights is close to Louth Park, Mount Dee, Cliftleigh, Maitland North, Maitland.
- What is the population of Gillieston Heights?
- The population of Gillieston Heights is approximately 4,796 (2021 Census). The median age is 30.
For Sale
For Rent
Gillieston Heights
Buying
Selling
Surrounding Suburbs
Side by side
Compare Gillieston Heights 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 Gillieston Heights?
The complete selling guide, personalised to Gillieston Heights: 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