Curtis Island at a glance
Walk score
0
Very car dependent
Population
36
Median age 62
The brief
What to know about Curtis Island.
The postcode for Curtis Island is 4680 (QLD).
Curtis Island (4680) sits in the Gladstone - Biloela region of Queensland.
Curtis Island has roughly 36 residents, with a retiree-heavy demographic. Households are predominantly owner-occupied. Daily life is car-dependent: most residents drive to work, school and the shops.
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Day to day
What it’s like to live here.
Curtis Island scores 0/100 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.
Schooling within or near the suburb covers 5 government primary, 2 government secondary, 3 Catholic, 1 independent.
Who lives here
Demographics.
The 2021 Census put Curtis Island's population at 36, with a median age of 62. That sits as a retiree-heavy demographic. Households are predominantly owner-occupied (107% own, 0% rent), which shapes everything from school catchment stability to how often properties turn over. The household mix skews family-dominated (60% family households, 27% lone person), so amenity decisions tend to follow what families want: parks, schools, supermarkets.
Population
36
Median age
62
Family households
60%
Lone person
27%
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· sales-qld
Rental and ownership
Weekly rent (house)
$275/wk
Weekly rent (unit)
$234/wk
Owner occupied
107%
Renter occupied
–
At a deeper level
36
Median age: 62
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Getting around
Walkability.
0
0
10
Scores calculated from OpenStreetMap data (ODbL)
Walkability data as of May 2026· OpenStreetMap
Place
Location.
Amenities
Transport
Education
Schools in Curtis Island.
Local schools for Curtis Island
View the catchment for each school to find out more.
Government School Catchment
Gladstone Central State School
Gladstone State High School
Gladstone South State School
© ACARA, licensed under CC BY 4.0.
Frequently asked
About Curtis Island.
- What is the Curtis Island postcode?
- Curtis Island is in the 4680 postcode, in QLD, in the Gladstone - Biloela region.
- Where is Curtis Island?
- Curtis Island is a regional suburb in QLD, postcode 4680, in the Gladstone - Biloela region.
- What is the average rent in Curtis Island?
- The median weekly rent for houses is $275, for units it's $234.
- What schools are in Curtis Island?
- There are 12 schools serving Curtis Island on this page, including Gladstone Central State School, Star of the Sea Catholic Primary School, Gladstone State High School.
- How walkable is Curtis Island?
- Curtis Island has a Walk Score of 0 out of 100, highly car-dependent. transit score 0, bike score 10.
- What suburbs are near Curtis Island?
- Curtis Island is close to South End, Barney Point, Gladstone Bc, Gladstone Central, Gladstone.
- What is the population of Curtis Island?
- The population of Curtis Island is approximately 36 (2021 Census). The median age is 62.
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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
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