Gunderman at a glance
Population
189
Median age 54
The brief
What to know about Gunderman.
The postcode for Gunderman is 2775 (NSW), part of Greater Sydney.
Gunderman (2775) sits in the The Hills region of NSW.
Gunderman has roughly 189 residents, with a retiree-heavy demographic. Households are mostly owner-occupied.
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Day to day
What it’s like to live here.
Summer days here average around 26°C (mild), winter mornings around 8°C (mild). Annual rainfall lands at about 1302mm. Data comes from the Bureau of Meteorology's Sydney (Observatory Hill) station, 32.5km away.
Schooling within or near the suburb covers 7 government primary, 1 independent.
Who lives here
Demographics.
The 2021 Census put Gunderman's population at 189, with a median age of 54. That sits as a retiree-heavy demographic. Households are mostly owner-occupied (74% own, 17% rent), which shapes everything from school catchment stability to how often properties turn over. Lone-person households are notable here (52%), often a marker of unit-heavy stock and walkable infrastructure.
Population
189
Median age
54
Family households
40%
Lone person
52%
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)
$295/wk
Weekly rent (unit)
$250/wk
Owner occupied
74%
Renter occupied
17%
At a deeper level
189
Median age: 54
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Safety
Crime and safety.
14
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
Place
Location.
Amenities
Transport
Education
Schools in Gunderman.
Local schools for Gunderman
View the catchment for each school to find out more.
Government School Catchment
Maroota Public School
Wisemans Ferry Public School
Macdonald Valley Public School
© ACARA, licensed under CC BY 4.0.
Climate
Weather year-round.
Annual Rainfall
1302 mm
Hottest Month (avg max)
26.2°C
Coldest Month (avg min)
8.4°C
Monthly Rainfall (mm)
Weather data from BOM station Sydney (Observatory Hill) (33 km away)
Climate data as of May 2026· Bureau of Meteorology
Frequently asked
About Gunderman.
- What is the Gunderman postcode?
- Gunderman is in the 2775 postcode, in NSW, in the The Hills region.
- Where is Gunderman?
- Gunderman is a suburb of Sydney, in NSW 2775. It is part of the Greater Sydney area, in the The Hills region.
- What is the average rent in Gunderman?
- The median weekly rent for houses is $295, for units it's $250.
- What schools are in Gunderman?
- There are 9 schools serving Gunderman on this page, including Maroota Public School, Wisemans Ferry Public School, Macdonald Valley Public School.
- What suburbs are near Gunderman?
- Gunderman is close to Lower Hawkesbury, Laughtondale, Singletons Mill, Maroota, Wisemans Ferry.
- What is the population of Gunderman?
- The population of Gunderman is approximately 189 (2021 Census). The median age is 54.
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Side by side
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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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