Cornwallis at a glance
Walk score
0
Very car dependent
Population
44
Median age 45
The brief
What to know about Cornwallis.
The postcode for Cornwallis is 2756 (NSW), part of Greater Sydney.
Cornwallis (2756) sits in the Lithgow region of NSW.
Cornwallis has roughly 44 residents, with an established, older skew. 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.
Cornwallis 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.
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 11 government primary, 4 government secondary, 4 Catholic, 1 independent.
Who lives here
Demographics.
The 2021 Census put Cornwallis's population at 44, with a median age of 45. That sits as an established, older skew. Households are mostly owner-occupied (64% own, 0% rent), which shapes everything from school catchment stability to how often properties turn over. The household mix skews family-dominated (64% family households, 21% lone person), so amenity decisions tend to follow what families want: parks, schools, supermarkets.
Population
44
Median age
45
Family households
64%
Lone person
21%
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.
Rental and ownership
Weekly rent (house)
$400/wk
Weekly rent (unit)
$250/wk
Owner occupied
64%
Renter occupied
–
At a deeper level
44
Median age: 45
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Safety
Crime and safety.
7
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
95
Scores calculated from OpenStreetMap data (ODbL)
Walkability data as of May 2026· OpenStreetMap
Place
Location.
Amenities
Transport
Education
Schools in Cornwallis.
Local schools for Cornwallis
View the catchment for each school to find out more.
Government School Catchment
Windsor Public School
Windsor South Public School
Windsor High 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 Cornwallis.
- What is the Cornwallis postcode?
- Cornwallis is in the 2756 postcode, in NSW, in the Lithgow City Council region.
- Where is Cornwallis?
- Cornwallis is a suburb of Sydney, in NSW 2756. It is part of the Greater Sydney area, in the Lithgow City Council region.
- What is the average rent in Cornwallis?
- The median weekly rent for houses is $400, for units it's $250.
- What schools are in Cornwallis?
- There are 20 schools serving Cornwallis on this page, including St Matthew's Primary School, Windsor Public School, Windsor South Public School.
- How walkable is Cornwallis?
- Cornwallis has a Walk Score of 0 out of 100, highly car-dependent. transit score 0, bike score 95.
- What suburbs are near Cornwallis?
- Cornwallis is close to Windsor, Mulgrave, Clarendon, Pitt Town Bottoms, Freemans Reach.
- What is the population of Cornwallis?
- The population of Cornwallis is approximately 44 (2021 Census). The median age is 45.
For Sale
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Surrounding Suburbs
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 →
Always dated
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