Dumaresq Island at a glance
Median house
$1,420,000
Median unit
$237,600
Walk score
0
Very car dependent
Population
70
Median age 57
The brief
What to know about Dumaresq Island.
The postcode for Dumaresq Island is 2430 (NSW).
The median house price in Dumaresq Island is $1,420,000.
Dumaresq Island (2430) sits in the Mid-Coast region of NSW. The median house here is $1,420,000, above the NSW median of around $1.10M.
Dumaresq Island has roughly 70 residents, with a retiree-heavy demographic. Households are mostly 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.
Dumaresq 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 6 government primary, 2 government secondary, 2 Catholic, 3 independent.
Who lives here
Demographics.
The 2021 Census put Dumaresq Island's population at 70, with a median age of 57. That sits as a retiree-heavy demographic. Households are mostly owner-occupied (60% own, 48% rent), which shapes everything from school catchment stability to how often properties turn over. The household mix skews family-dominated (80% family households, 16% lone person), so amenity decisions tend to follow what families want: parks, schools, supermarkets.
Population
70
Median age
57
Family households
80%
Lone person
16%
Demographics data as of May 2026· ABS 2021 Census
Houses change hands at $1,420,000 on a typical sale, above the NSW median. Units come in around $237,600, roughly 83% below the house median.
For buyers
A 20% deposit on the median house works out to roughly $284,000. Prices sit above the NSW median, so plan for a stretched deposit and shop carefully on borrowing capacity.
Market
The price of a home here.
Median house price
$1,420,000
+0.0% over the past year. Median unit price $237,600.
Sales data as of September 2026· sales-nsw
Rental and ownership
Weekly rent (house)
$305/wk
Weekly rent (unit)
$231/wk
Owner occupied
60%
Renter occupied
48%
At a deeper level
$1,420,000
$237,600
70
Median age: 57
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For investors
Investment overview.
Gross rental yield on houses sits at 1.12% (median rent $305/wk against a $1,420,000 price tag). Units yield 5.06% gross, often the better cash-flow play for first-time investors. With 48% of households renting, the leasing market is established and vacancy risk tends to be lower than in owner-dominated suburbs.
Gross Yield (House)
Source: NSW Valuer General (PSI) · Sept 20261.12%
Based on $1,420,000 median
Gross Yield (Unit)
Source: NSW Valuer General (PSI) · Sept 20265.06%
Based on $237,600 median
Annual Growth (House)
Source: NSW Valuer General (PSI) · Sept 2026–
Year-on-year capital growth
Annual Growth (Unit)
Source: NSW Valuer General (PSI) · Sept 2026–
Year-on-year capital growth
Owner Occupancy
Source: ABS Census 2021 · May 202660%
Higher = more owner-occupier demand
Days on Market
Source: NSW Valuer General (PSI) · Sept 2026–
Lower = higher buyer demand
Gross rental yield is annual rent divided by purchase price, before expenses. It does not account for vacancy rates, management fees, maintenance, or financing costs. Use this as a starting point for further research.
Safety
Crime and safety.
3
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.
0
0
0
Scores calculated from OpenStreetMap data (ODbL)
Walkability data as of May 2026· OpenStreetMap
Place
Location.
Amenities
Transport
Nearby suburbs
Education
Schools in Dumaresq Island.
Local schools for Dumaresq Island
View the catchment for each school to find out more.
Government School Catchment
Cundletown Public School
Chatham Public School
Chatham High School
© ACARA, licensed under CC BY 4.0.
Frequently asked
About Dumaresq Island.
- What is the median house price in Dumaresq Island?
- The median house price in Dumaresq Island, NSW 2430 is $1,420,000. The median unit price is $237,600.
- What is the Dumaresq Island postcode?
- Dumaresq Island is in the 2430 postcode, in NSW, in the Mid-Coast Council region.
- Where is Dumaresq Island?
- Dumaresq Island is a regional suburb in NSW, postcode 2430, in the Mid-Coast Council region.
- What is the average rent in Dumaresq Island?
- The median weekly rent for houses is $305, for units it's $231.
- What schools are in Dumaresq Island?
- There are 13 schools serving Dumaresq Island on this page, including Manning Valley Anglican College, Cundletown Public School, Chatham Public School.
- How walkable is Dumaresq Island?
- Dumaresq Island has a Walk Score of 0 out of 100, highly car-dependent. transit score 0, bike score 0.
- What suburbs are near Dumaresq Island?
- Dumaresq Island is close to Chatham, Pampoolah, Glenthorne, Cundletown, Purfleet.
- What is the population of Dumaresq Island?
- The population of Dumaresq Island is approximately 70 (2021 Census). The median age is 57.
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Dumaresq Island
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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 →
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