Suburb profile
Cassini SA 5223
Cassini is located in the South East South Australia region of South Australia, postcode 5223. It has 75 properties across 18 streets, almost all houses. Explore every street in Cassini, its property history, homes for sale and rent, who lives there, and the local agents.
About Cassini
Cassini, SA 5223, sits in the South East South Australia region and neighbours Kohinoor, Menzies, Parndana and Stokes Bay. Its 18 streets hold 75 properties, all of them houses.
Census figures are for the Kangaroo Island area, which had 4,894 residents, a median age of 50 and an average household of 2.2 people. Median household income was $1,128 a week, the median mortgage repayment $1,023 a month and the median rent $208 a week. Of 1,940 dwellings, 1,840 were separate houses, 49 semi-detached, 24 flats and 13 other; 844 were owned outright, 536 owned with a mortgage and 430 rented.
Updated October 2026
Who lives in Cassini
- 4,894Peoplelive in the area
- 50Median ageyears
- $1,128Median household incomea week
- $208Median renta week
Homes by type
- Houses1,840
- Townhouses and semis49
- Flats and apartments24
- Other13
Household
- Median mortgage repayment$1,023a month
- Household size2.2people on average
How homes are held
Properties in Cassini
Local agents in Cassini


Helen Spouse
Holiday Home Management - Kangaroo Island Urban & Rural Partners
Last 12 months
- Properties sold
- 18
- Median sold price
- $520k
- Median days on market
- 60
Agencies that specialise in Cassini
Streets in Cassini
- Bark Hut Road19 properties
- Camelback Road2 properties
- Cassini Road3 properties
- Dashwood Track1 property
- Deep Gully Track5 properties
- Hummocky Road5 properties
- Lightburn Road2 properties
- Mcbride Road1 property
- Mcbrides Road1 property
- Miller Road2 properties
- North Coast Road14 properties
- Pioneer Bend Road4 properties
- Playford Highway6 properties
- Springs Road3 properties
- Stokes Bay Road3 properties
- Welch Track2 properties
- Welsch Track1 property
- Yacca Jacks Road1 property
Neighbouring suburbs
Addresses and streets incorporate or were developed using G-NAF © Geoscape Australia, licensed by the Commonwealth of Australia under the Open Geo-coded National Address File (G-NAF) End User Licence Agreement.
Population and housing figures are drawn from the Australian Bureau of Statistics, Census of Population and Housing 2021, licensed under Creative Commons Attribution 4.0 International.
Area summaries are generated from the national address file and ABS Census data, and checked against those figures before publication.
