Cassini crime rate and Crime Score · South Australia
Cassini is a suburb in the Kangaroo Island council area of South Australia (about 5,212 residents in the council). The council has a Crime Score 25 out of 100 (low), 309th 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 (94th percentile), assault (19th percentile), robbery (13th percentile). Five years earlier the same basis gave 27.
In 2025-26: violent 422 per 100,000 (-4% vs five years earlier); property 1,190 per 100,000 (-55% vs five years earlier); break-ins 192 per 100,000 (-68% vs five years earlier); theft 460 per 100,000 (-48% vs five years earlier). For violent crime that is 59th of 69 South Australia councils with data, highest first.
Unemployment in the Kangaroo Island council area is 3.5% (South Australia 5.4%), Census, 10 August 2021. Social housing makes up 3.6% of occupied homes (51 public and 18 community-housing dwellings at the 2021 Census; South Australia 5.6%). An estimated 4 people were homeless on Census night 2021, 7.9 per 10,000 residents (South Australia 41.7), apportioned from ABS Statistical Area Level 2 counts. 16% of residents were born overseas (South Australia 25.2%), most often in England, New Zealand, Germany. Modelled estimates for 2026-27, not measurements: unemployment about 3.1% (confidence 71 of 100); social housing about 3.2% of homes; about 7.7 homeless people per 10,000 residents; about 16.3% born overseas. Confidence falls with distance from the last published figure, and the map's Estimates toggle shows every year back to 1994-95.
South Australia publishes crime statistics by council area, not by suburb, so the figures shown for Cassini are those of the Kangaroo Island council area.
| Offences | Per 100,000 | Count | 5-yr change |
|---|---|---|---|
| Violent | 422 | 22 | -4% |
| Property | 1,190 | 62 | -55% |
| Break-ins | 192 | 10 | -68% |
| Theft | 460 | 24 | -48% |
Kangaroo Island council area: full statistics · Interactive map of every council.
Questions
Is Cassini safe?
South Australia publishes crime figures by council area, not by suburb. Cassini is in the Kangaroo Island council area, which recorded 422 violent offences per 100,000 residents in 2025-26, about 67% lower than the South Australia rate (1,300) and about 67% lower than the national rate (1,280). 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.
Nearby suburbs
American River · Ballast Head · Bay Of Shoals · Birchmore · Brownlow Ki · Cygnet River · D'Estrees Bay · Duncan · Emu Bay · Gosse · Haines · Kangaroo Island · Kingscote · Kohinoor · Macgillivray · Menzies · Middle River · Muston · Nepean Bay · Newland · North Cape · Parndana · Ritchie · Seal Bay · Seddon · Stokes Bay · Stun'Sail Boom · Vivonne Bay · Western River · Wisanger
australiancrimerate.com.au/suburb/sa/cassini/ · Australian Crime Map