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 ProfileAustralian 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 dwelling
    415 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 tanks
    LOT 53 MOUTH FLAT RD WILLSON RIVER SA 5222Decision Made
2021· 1 proposal
  • June 2021

  • Construction of an agricultural building
    LOT 50 MOUTH FLAT RD WILLSON RIVER SA 5222Decision Made

Data sources & freshness

Amenities

No OpenStreetMap amenities mapped for this suburb yet.

Data sources & freshness

  • OpenStreetMap amenitiesOpenStreetMap 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

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 featuresOpenStreetMap 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