Hornsby Shire Council
Thornleigh
Thornleigh at a glance
Median house
$1,620,000
+8.0% year on year
Median unit
$446,400
Sales data pending
Days on market
43
Average to sell
Walk score
34
Car dependent
Population
8,898
Median age 40
About
Welcome to Thornleigh.
Thornleigh is a suburb in New South Wales.
Side by side
Compare Thornleigh with a nearby suburb.
Median, growth, schools, walkability, all in one view.
Nearby suburbs
Market
The price of a home here.
Median house price
$1,620,000
+8.0% over the past year. Median unit price $446,400.
Sales data as of May 2026· rental-nsw
Rental and ownership
Weekly rent (house)
$520/wk
Weekly rent (unit)
$530/wk
Owner occupied
75%
Renter occupied
23%
At a deeper level
$1,620,000
+8.0% annual growth
$446,400
Sales data pending
43
Average days to sell
8,898
Median age: 40
Get property alerts for Thornleigh
Be the first to know when new listings hit the market.
For investors
Investment overview.
Gross Yield (House)
Source: NSW Fair Trading · May 20261.67%
Based on $1,620,000 median
Gross Yield (Unit)
Source: NSW Fair Trading · May 20266.17%
Based on $446,400 median
Annual Growth (House)
Source: NSW Fair Trading · May 2026+8.0%
Year-on-year capital growth
Annual Growth (Unit)
Source: NSW Fair Trading · May 2026–
Year-on-year capital growth
Owner Occupancy
Source: ABS Census 2021 · May 202675%
Higher = more owner-occupier demand
Days on Market
Source: NSW Fair Trading · May 202643 days
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.
5-year trajectory
at +8.0%/yr
2021
$1.1M
5-year change
+47%
2026
$1.6M
Trajectory derived from the current median compounded at the suburb’s annual growth rate, not raw sale-by-sale history.
Who lives here
Demographics.
Population
8,898
Median age
40
Family households
82%
Lone person
16%
Demographics data as of May 2026· ABS 2021 Census
Safety
Crime and safety.
326
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.
34
0
45
Scores calculated from OpenStreetMap data (ODbL)
Walkability data as of May 2026· OpenStreetMap
Place
Location.
Amenities
Transport
Nearby suburbs
Education
Schools in Thornleigh.
Local schools for Thornleigh
View the catchment for each school to find out more.
Government School Catchment
Normanhurst West Public School
Thornleigh West Public School
Normanhurst 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 Thornleigh.
- What is the median house price in Thornleigh?
- The median house price in Thornleigh, NSW 2120 is $1,620,000. The median unit price is $446,400. Annual growth is +8.0%.
- What is the Thornleigh postcode?
- Thornleigh is in the 2120 postcode, in NSW, in the Hornsby Shire Council region.
- What is the average rent in Thornleigh?
- The median weekly rent for houses is $520, for units it's $530.
- What schools are in Thornleigh?
- There are 20 schools serving Thornleigh on this page, including Normanhurst West Public School, Thornleigh West Public School, Normanhurst Public School.
- How walkable is Thornleigh?
- Thornleigh has a Walk Score of 34 out of 100, car-dependent for most errands. transit score 0, bike score 45.
- What suburbs are near Thornleigh?
- Thornleigh is close to Normanhurst, Westleigh, Pennant Hills, Wahroonga, Hornsby.
- What is the population of Thornleigh?
- Thornleigh has approximately 8,898 residents. The median age is 40.
For Sale
Thornleigh
Guides
Surrounding Suburbs
Side by side
Compare Thornleigh 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.
Want a real human to help with Thornleigh?
If you’ve looked at the numbers and want someone to talk it through, whether that’s an agent, broker, accountant or conveyancer, we’ll find the right person for your situation. Free, no commitment.
Get connected