SA · Kangaroo Island Council
Willson River, SA, 5222
Current weather
11.1°CLight drizzle
93% humidity · 25.8 km/h wind · 14.3° / 10.8° today · 17.4 mm rain
Suburb snapshot
Willson River is a small locality in the Kangaroo Island area, home to around 6 residents (2021 Census). Recent indicators show some planning and development activity on record. Use the sections below for detailed population, safety, schools, and local activity data.
Population
- Population
- 6
- Median age
- 75
- Median household income / week
- $450
- Dwelling vacancy
- 75%
- Unoccupied private dwellings
- 6 of 8
- Median monthly mortgage
- $0
- Employment rate
- 0%
- Dwelling mix (houses / semi / flats)
- 0 / 0 / 0
Data sources & freshness
- 2021 Census — General Community Profile — Australian Bureau of Statistics · Period: 2021 · Updated on site · 2021 Census release
The 2026 Census runs in August 2026; suburb-level updates are expected from mid-2027.
Planning & development
Development applications from PlanSA register (lodged 2020–2026) and EPA licensed activities.
3 planning-related records
2025· 1 proposal
November 2025
- Retrospective approval for dwelling additions & alterations - lower (ground level) bedroom, living area, wet areas - to existing dwelling415 MOUTH FLAT RD WILLSON RIVER SA 5222Under Assessment
2023· 1 proposal
January 2023
- Construction of an agricultural building for machinery storage and two (2) 22,500 L rainwater storage tanksLOT 53 MOUTH FLAT RD WILLSON RIVER SA 5222Decision Made
2021· 1 proposal
June 2021
- Construction of an agricultural buildingLOT 50 MOUTH FLAT RD WILLSON RIVER SA 5222Decision Made
Data sources & freshness
- PlanSA development applications & EPA licences — Government of South Australia — PlanSA · Period: 2020–2026; 2021; 2023… · Updated on site
Amenities
No OpenStreetMap amenities mapped for this suburb yet.
Data sources & freshness
- OpenStreetMap amenities — OpenStreetMap contributors · Period: current · Updated on site · Weekly refresh
Socio-economic (SEIFA)
- IRSAD decile (2021)
- 5/10
- IRSD decile (2021)
- 5/10
SEIFA indexes from ABS 2021. Decile 10 = most advantaged / least disadvantaged in Australia.
Data sources & freshness
- SEIFA 2021 (IRSAD / IRSD) — Australian Bureau of Statistics · Period: 2021 · Updated on site · 2021 SEIFA release
Green cover
- Parks & woodland (OSM)
- 6
- Parks (OSM)
- 0
OpenStreetMap parks and natural woodland features mapped within the suburb boundary.
Data sources & freshness
- OpenStreetMap green cover features — OpenStreetMap contributors · Period: current · Updated on site · Weekly refresh
Recent changes
- Construction of an agricultural buildingplanningLOT 50 MOUTH FLAT RD WILLSON RIVER SA 5222Lodged 24 Jun 2021 · Decision Made
- Construction of an agricultural building for machinery storage and two (2) 22,500 L rainwater storage tanksplanningLOT 53 MOUTH FLAT RD WILLSON RIVER SA 5222Lodged 03 Jan 2023 · Decision Made
- Retrospective approval for dwelling additions & alterations - lower (ground level) bedroom, living area, wet areas - to existing dwellingplanning415 MOUTH FLAT RD WILLSON RIVER SA 5222Lodged 03 Nov 2025 · Under Assessment
Data sources & freshness
- PlanSA development applications & EPA licences — Government of South Australia — PlanSA · Updated on site