Thornleigh crime rate and Crime Score · New South Wales

NSW Police (figures published by BOCSAR) recorded 310 offences in Thornleigh in 2025-26, including 47 violent offences and 17 break-ins. That is about 3,484 per 100,000 of its 8,898 residents (2021 Census). The rates and Crime Score below are for the whole Hornsby council area.

Thornleigh is a suburb in the Hornsby council area of New South Wales (about 155,484 residents in the council). The council has a Crime Score 16 out of 100 (very low), 349th of 362 councils nationally.

The score blends national percentile ranks for each published offence category with fixed severity weights; here it is driven most by homicide (35th percentile), robbery (41st percentile), sexual offences (25th percentile). Five years earlier the same basis gave 18.

In 2025-26: violent 460 per 100,000 (+3% vs five years earlier); property 1,255 per 100,000 (-17% vs five years earlier); break-ins 107 per 100,000 (-22% vs five years earlier); theft 518 per 100,000 (-12% vs five years earlier). For violent crime that is 126th of 129 New South Wales councils with data, highest first.

Unemployment in the Hornsby council area is 4.1% (New South Wales 4.9%), Census, 10 August 2021. Social housing makes up 2% of occupied homes (499 public and 514 community-housing dwellings at the 2021 Census; New South Wales 4.2%). An estimated 199 people were homeless on Census night 2021, 13.1 per 10,000 residents (New South Wales 43.4), apportioned from ABS Statistical Area Level 2 counts. 41.6% of residents were born overseas (New South Wales 31%), most often in China, India, England. Modelled estimates for 2026-27, not measurements: unemployment about 4.1% (confidence 85 of 100); social housing about 1.8% of homes; about 12.9 homeless people per 10,000 residents; about 42.2% born overseas. Confidence falls with distance from the last published figure, and the map's Estimates toggle shows every year back to 1994-95.

New South Wales publishes suburb-level counts: 310 offences were recorded in Thornleigh in 2025-26. The rates and Crime Score above are for the whole Hornsby council area.

OffencesPer 100,000Count5-yr change
Violent460716+3%
Property1,2551,951-17%
Break-ins107167-22%
Theft518805-12%

Of 595 Sydney suburbs with at least 2,000 residents, Thornleigh has the 268th lowest recorded crime rate: about 3,440 offences a year per 100,000 residents (2023-24 to 2025-26 average), against a median of 3,900. Sydney suburb rankings.

Hornsby council area: full statistics · Interactive map of every council.

Crime in postcode 2120: every suburb and council it covers.

Questions

Is Thornleigh safe?

Thornleigh recorded about 3,440 offences a year per 100,000 residents over 2023-24 to 2025-26, about 12% lower than the median of 3,900 for Sydney suburbs: the 268th lowest rate of 595. In 2025-26 police recorded 47 violent offences (528 per 100,000 residents) and 17 break-ins there. These are offences recorded by police per resident: they describe the area as a whole, not the risk on any particular street, and places with a busy centre record more because offences are counted where they happen.

What is the crime rate in Thornleigh?

In 2025-26 police recorded 310 offences in Thornleigh, about 3,480 per 100,000 of its 8,898 residents (2021 Census), including 47 violent offences and 17 break-ins.

Police news near Thornleigh

Nearby suburbs

Arcadia · Asquith · Beecroft · Berowra · Berowra Creek · Berowra Heights · Berowra Waters · Berrilee · Brooklyn · Canoelands · Cheltenham · Cherrybrook · Cowan · Dangar Island · Dural · Dural DC · Fiddletown · Forest Glen · Galston · Hornsby · Hornsby Heights · Milsons Passage · Mount Colah · Mount Kuring-Gai · Normanhurst · North Epping · Pennant Hills · Round Corner · Waitara · Westleigh

australiancrimerate.com.au/suburb/nsw/thornleigh/ · Australian Crime Map