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Home NSW Suburbs THORNLEIGH

THORNLEIGH

Sydney North
EN / 中文
House Median
This suburb $1,815,000
Sydney average $1,750,000
Unit Median
This suburb $840,000
Sydney average $840,000
Safety Index
Crime rate 3,147
NSW average 6,635
Chinese Population
This suburb 14.7%
NSW average 5%
Population
Total 8,898
Density 2,299.0/km²
Region Info
Region Sydney North
State New South Wales

THORNLEIGH Property Overview

Purchase Prices (2025 Q2)
House Median $1,815,000
House Sales Volume 45 sales
Unit Median $840,000
Unit Sales Volume -
Rental Prices (Weekly)
2 Bed House No data
3 Bed House $793/wk
2 Bed Unit $660/wk
3 Bed Unit No data
Data source: NSW Rent and Sales Report 2025 Q2/Q3

THORNLEIGH Safety Index

Data source: NSW Bureau of Crime Statistics and Research (BOCSAR) September 2025
Very Safe
Crime rate: 3,147 per 100,000 Below NSW average (6,635)
0.47x
vs NSW Average

Crime Rate Comparison

THORNLEIGH 3,147/100k
NSW Average 6,635/100k

Safety Tips

THORNLEIGH has a crime rate below the NSW average, indicating generally good safety conditions. However, it's still advisable to maintain basic safety awareness and secure personal belongings.

THORNLEIGH Community Profile

Data source: Australian Bureau of Statistics 2021 Census

Population Overview

8,898
Total Population
2,299
people/km² density
14.7%
Chinese Population
Well above average

Major Ethnicities

1
England
2,628 people
29.5%
2
Australia
2,495 people
28.0%
3
China
1,307 people
14.7%
4
Ireland
776 people
8.7%
5
Scotland
710 people
8.0%

Transport

29.3 km
to Sydney CBD
34 min
drive to CBD
62 min
transit to CBD
Has Station
in this suburb

Local Schools

No school data available for this area

THORNLEIGH Neighbouring Suburbs

Property data: © NSW Government (2025 Q2) | 5 neighbouring suburbs
HORNSBY
Sydney North
$1.9M House
$715K Unit
NORMANHURST
Sydney North
$2.7M House
$1.5M Unit
PENNANT HILLS
Sydney North
$1.8M House
$840K Unit
WAHROONGA
Sydney North
$2.7M House
$1.5M Unit
WESTLEIGH
Sydney North
$1.8M House
$840K Unit

Click to view suburb details

About THORNLEIGH

Thornleigh is located in Northern Sydney, approximately 29.3km from CBD, about 62 minutes by public transport. According to ABS 2021 Census, the population is 8,898 with a density of 2299 people/km².

Property: According to NSW Rent and Sales Report (Nov 2025), house median $1,815,000, on par with Sydney average; unit median $840,000, on par with Sydney average.

Education: No high schools in this suburb.

Safety: According to NSW BOCSAR 2025 data, crime rate is 3147 per 100,000, 0.47x the NSW average, an extremely safe area.

Demographics: English comprises 29.54%, the largest ethnic group, followed by Australian (28.04%) and Chinese (14.69%), notable Chinese community.

Transport: Has a train station.

Frequently Asked Questions

According to NSW Government Rent and Sales Report (November 2025), Thornleigh has a house median of $1,815,000 and unit median of $840,000. Property prices are close to Sydney median levels.

According to NSW Bureau of Crime Statistics and Research (September 2025), Thornleigh has a crime rate of 3147 per 100,000, which is 0.47x the NSW average (6635). Significantly below NSW average, a very safe area.

Government schools: No public high school in this suburb. Catholic schools: St Leo's Catholic College, 2024 HSC results: 52 Distinguished Achievers, 1 Top Achievers, AU Guide Score 60.9 (neighbouring suburb). Independent schools: Abbotsleigh, 2024 HSC results: 495 Distinguished Achievers, 26 All Rounders, 20 Top Achievers, 3 First in Course, AU Guide Score 95.3 (neighbouring suburb).

According to ABS 2021 Census, Thornleigh has a population of 8,898, with Chinese comprising 14.70%. Moderate Chinese population with established community presence. Main ethnic groups: English (29.54%), Aust (28.04%), Chinese (14.69%), Irish (8.72%), Scottish (7.98%).

Thornleigh is approximately 29.3km from Sydney CBD, about 34 minutes by car or 62 minutes by public transport. This suburb has a train station on the T9 Northern Line line(s). Outer ring suburb, moderate commute time.