Shorted

South Australia council

Kangaroo Island

5,212 residents (ABS estimated resident population, 30 June 2025) across 4,401 km², 49 suburbs. Council website: kangarooisland.sa.gov.au.

Council series run to July 2026.

Population

5,212

ABS estimated resident population, 30 June 2025 · +0.8% in a year

Density

1.2/km²

4,401 km² · ERP 2025 over the ABS 2024 boundary

Council-wide house median

$460k

Established-house transfers across the whole council, FY 2023-24 (ABS)

Federal grants per resident

$539

Financial Assistance Grant 2025-26 over ERP 2025

Dwelling approvals

8.8 per 1,000

Residents, 12 months to July 2026 (ABS Building Approvals)

Advantage decile

6 of 10

SEIFA 2021 IRSAD, national (10 = most advantaged)

Suburbs

49

Where it holds most residents (ABS mesh-block allocation)

Trends

Council-level series. Each chart names its source and period.

PopulationABS estimated resident population at 30 June, 2001–2025
Council-wide median sale pricesABS Data by Region: median transfer price across the whole council by financial year, 2018-19–2023-24. Not any one suburb's price.
Dwelling approvalsABS Building Approvals, monthly, 2021-07–2026-07
Federal Financial Assistance GrantsTotal grant by financial year, 2017-18–2025-26 (Dept of Infrastructure)

People and housing

Council-wide figures from the ABS Census of 2021 and SEIFA 2021 (national deciles, 10 = most advantaged).

Median age
50
Median household income
$1,128/week
Median rent
$208/week
Median mortgage repayment
$1,023/month
Households renting
22.2%
Average household
2.2 people
Advantage and disadvantage (IRSAD)
decile 6 of 10
Disadvantage (IRSD)
decile 7 of 10

Suburbs

49 suburbs where Kangaroo Island holds most residents. Population is Census 2021 for the whole suburb. A median here is the suburb’s own Valuer-General median — suburbs without one are blank, never filled with the council figure.

SuburbPopulationIn this councilMedian house (VG)Flood / bushfireIRSAD
Kingscote1,962All– / 95%3
American River280All– / 97%1
Penneshaw269All– / 99%4
Brownlow Ki238All– / 97%2
Haines163All– / 100%6
Parndana155All– / 100%1
Nepean Bay140All– / 98%6
Wisanger140All– / 100%6
Macgillivray117All– / 100%6
Seddon (SA)107All– / 100%6
Emu Bay95All– / 99%6
Vivonne Bay95All– / 99%6
Baudin Beach94All– / 94%5
Menzies (SA)83All– / 100%8
Cassini73All– / 100%8
Cygnet River72All– / 94%8
Island Beach71All– / 97%5
Duncan67All– / 100%6
Dudley East58All– / 100%5
Newland52All– / 100%6
Stokes Bay52All– / 100%8
Birchmore49All– / 100%6
Pelican Lagoon48All– / 95%5
Kohinoor39All– / 100%6
Karatta37All– / 100%6
Muston34All– / 99%6
Bay Of Shoals30All– / 100%6
Dudley West25All– / 100%5
Gosse25All– / 100%6
Middle River23All– / 100%6
Ballast Head21All– / 100%6
Sapphiretown21All– / 90%5
Ironstone20All– / 99%5
Kangaroo Head18All– / 98%5
Porky Flat16All– / 100%5
Western River16All– / 100%6
Antechamber Bay13All– / 99%5
Cuttlefish Bay13All– / 99%5
D'Estrees Bay11All– / 99%6
Willoughby (SA)11All– / 99%5
Cape Borda9All– / 100%6
Seal Bay7All– / 99%6
Stun'Sail Boom7All– / 99%6
Willson River6All– / 99%5
Brown Beach3All– / 93%5
De Mole River3All– / 99%6
American BeachAll– / 99%
Flinders ChaseAll– / 100%
North CapeAll– / 98%

Hazards

Share of each member suburb's land inside the mapped layer, averaged across the council weighted by the residents each suburb contributes. Only suburbs a source covers count; the rest are left out, not counted as zero.

Bushfire-prone land

97%

Over 49 of 49 member suburbs

Show the layer on the map →

Observed surface water (1986–present)

3%

Over 49 of 49 member suburbs

Show the layer on the map →

Representation

Federal electorates and state districts covering the council, by share of the residents its suburbs contribute (each suburb counts once, for the seat containing a representative interior point).

Federal electorates

  • Mayo · Rebekha SHARKIE (XEN)100%

State districts

  • Mawson · Leon Bignell (ALP)100%

Compare it with every South Australia council on the council map or the South Australia council list.

Boundaries: ABS ASGS Edition 3, LGA 2024 boundaries; suburbs allocated by 2021 mesh block, weighted by Census 2021 residents. Population: ABS estimated resident population 2025. Census 2021 and SEIFA 2021: ABS. Council-wide medians: ABS Data by Region. Approvals: ABS Building Approvals. Grants: Financial Assistance Grants, Dept of Infrastructure. Flood and bushfire: state planning layers. Observed water: Geoscience Australia DEA Water Observations. Website and identity: Wikidata (CC0). ABS, Dept of Infrastructure and state government data CC BY 4.0. Council facts loaded 2026-09-24.