Suburb profile
Willoughby SA 5222
Willoughby is located in the South East South Australia region of South Australia, postcode 5222. It has 15 properties across 1 street, almost all houses. Explore every street in Willoughby, its property history, homes for sale and rent, who lives there, and the local agents.
About Willoughby
Willoughby, SA 5222, sits in the South East South Australia region and neighbours Antechamber Bay, Dudley East and Porky Flat. Its one street holds 15 properties, all of them houses.
Census figures are for Kangaroo Island, which covers the whole suburb. The 2021 Census puts its population at 4,894, with 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. Tenure splits into 844 owned outright, 536 owned with a mortgage and 430 rented.
Updated October 2026
Who lives in Willoughby
- 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
Streets in Willoughby
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.