suburb.guide

SA · Kangaroo Island Council

Cassini, 5223

Est. population · Jun 2025

78

Growth (1 yr)

0.0%

Growth (5 yr)

+5.4%

Median age

41

Median income

$1,542/wk

Employment rate

67.9%

Languages at home

Mostly English at home

2021 Census · usual residence

  • Green suburb
  • Heritage area
What Cassini is known for: Green suburb, Heritage area

Suburb profile

In Kangaroo Island Council, Cassini keeps a rural calm, a smaller community with room to breathe and a strong local rhythm. Far from Adelaide, it rewards people who want real remove from the city rather than a long-commute suburb. Families and commuters make up much of the community, with family life visible on every street.

Everyday basics may be close by, but bigger shopping and services typically require a trip to a nearby centre. Green space punches above what many comparable suburbs offer, with parks and playgrounds woven through the suburb. Day-to-day life is more car-oriented here than in denser, more walkable pockets.

Property prices run toward the upper end of the local market.

At a glance

Cassini snapshot

A quick read of housing, growth, livability, and risk

Median house price

—

No data available

Median rent

—

No data available

Population (ERP)

78

0.0% annual growth

Dwelling vacancy

48.6%

Census unoccupied dwellings

How it compares

Relative standing using percentiles, ranks, and national deciles

Safety

13th

percentile in state (higher = safer)

Pop. growth

13th

percentile in SA

Advantage (IRSAD)

8/10

national SEIFA decile

Population growth

Recent ERP change over 1 and 5 years

Housing mix

Dwelling types from the 2021 Census

Risks & flags

Quick scan — open a section below for full context

Living here

Population

Estimated resident population

78(June 2025)

0.0% annual · +5.4% over 5 years · 13th percentile in SA

Growth figures & methodology
Annual growth
0.0%
5-year growth
+5.4%
Change in 1 year
0
Change in 5 years
+4
Growth rank in SA
13th percentile

ABS Estimated Resident Population allocated to this suburb from SA2-level data. Not an official ABS suburb count.

Methodology

Figures are allocated from ABS Estimated Resident Population at Statistical Area Level 2 (SA2), using 2021 Census share within overlapping SA2 regions. Where Census data is unavailable, area overlap is used instead.

The dashed chart line is a simple growth-trend estimate to June 2030 (~100), extrapolated at +1.0% average annual growth since 2011. It is illustrative only — not an official ABS forecast.

2021 Census figures

2021 Census

Population
73
Median age
41
Median household income / week
$1,542
Dwelling vacancy
48.6%
Unoccupied private dwellings
18 of 37
Median monthly mortgage
$433
Employment rate
67.9%
Dwelling mix (houses / semi / flats)
23 / 0 / 0

Contributes to desirability score · Community (5%)

Employment, household income and age diversity (2021 Census)

Data sources & freshness

  • 2021 Census — General Community Profile — Australian Bureau of Statistics · Updated

    The 2026 Census runs in August 2026; suburb-level updates are expected from mid-2027.

  • Estimated Resident Population — Australian Bureau of Statistics · 2025 · Updated · SA2 ERP allocated to suburb boundaries

Community & culture

No 2021 Census cultural diversity data for this suburb yet.

Data sources & freshness

  • 2021 Census — General Community Profile — Australian Bureau of Statistics · Updated

    The 2026 Census runs in August 2026; suburb-level updates are expected from mid-2027.

Crime & safety

Offence counts & rates
Total offences (2023–24)
1
Against the person
0
Against property
1
Rate per 1,000 residents
12.8
State safety percentile
13.2th (lower crime is better)
Family & domestic abuse offences
17

Most common offence types

  • Other Theft1

Contributes to desirability score · Safety (18%)

Crime rate and year-on-year trend

Data sources & freshness

  • SAPOL reported crime statistics — South Australia Police — OpenData · 2023-24; 2023-24 → 2024-25; 2024-25 · Updated · Financial-year releases

Family & Lifestyle

Amenities

No OpenStreetMap amenities mapped for this suburb yet.

Contributes to desirability score · Lifestyle (15%)

Food, shopping, recreation and sport (OpenStreetMap)

Data sources & freshness

  • Local amenity insights — Suburb Guide (derived) · current · Updated
  • OpenStreetMap amenities — OpenStreetMap contributors · current · Updated

Green cover

Parks & woodland (OSM)
172
Parks (OSM)
0

OpenStreetMap parks and natural woodland features mapped within the suburb boundary.

Contributes to desirability score · Environment (10%)

Parks and green cover (OpenStreetMap)

Data sources & freshness

Health access

Nearest hospital
Kangaroo Island Health Service (30.7 km)
Nearest hospital type
Public Hospital
Nearest hospital emergency
Emergency department

Contributes to desirability score · Accessibility (15%)

Hospitals and GP clinics

Data sources & freshness

  • Hospitals & GP Plus clinics (SA) — SA Health · current · Updated

NDIS participation

NDIS participants (31 March 2026)
2
Participants per 1,000 residents
25.6

Active NDIS participants allocated from NDIA Statistical Area Level 2 (SA2, ASGS 2016) counts to this suburb boundary. Not an official suburb-level NDIS figure · as at 31 March 2026.

For NDIS spend and service-demand exploration by SA2 or postcode, see the Care Sector Demand Map.

Data sources & freshness

Weather

Typical conditions by season for suburbs in the same ~44 km climate area. Rainfall totals are summed from monthly WorldClim layers; rainy-day counts are approximate.

Summer (Dec–Feb)

Usual max / min
24° / 14°
Rainfall
55 mm · ~7 rainy days

Autumn (Mar–May)

Usual max / min
20° / 12°
Rainfall
144 mm · ~18 rainy days

Winter (Jun–Aug)

Usual max / min
15° / 9°
Rainfall
278 mm · ~35 rainy days

Spring (Sep–Nov)

Usual max / min
19° / 10°
Rainfall
131 mm · ~16 rainy days

Contributes to desirability score · Lifestyle (15%)

Temperature and humidity comfort

Data sources & freshness

  • Seasonal climate normals — WorldClim 2.1 · Updated

Future & Planning

Planning & development

Development applications from PlanSA register and EPA licensed activities.

2026· 2 proposals

  • May 2026

  • Single storey detached dwelling with attached single carport, deck, verandah and detached carport with a laundry room
    LOT 128 CASSINI RD CASSINI SA 5223Under Assessment

  • January 2026

  • Single storey detached dwelling (tiny home) and 22,500 litre rainwater tank
    LOT 3 NORTH COAST RD CASSINI SA 5223Decision Made
2025· 5 proposals

  • October 2025

  • Single storey dwelling
    1783 SPRINGS RD CASSINI SA 5223Under Assessment

  • September 2025

  • Single storey detached dwelling and associated earthworks and above-ground rainwater tank
    LOT 4 NORTH COAST RD CASSINI SA 5223Under Assessment

  • May 2025

  • Variation Application to DA 22039842 - change to building design of Cabin 2 (change to building layout, size and form/appearance)
    106 DEEP GULLY TRK CASSINI SA 5223Under Assessment

  • April 2025

  • Construct a 15MG litre dam
    78 PIONEER BEND RD CASSINI SA 5223Decision Made

  • February 2025

  • Construction of agricultural building
    LOT 14 PLAYFORD HWY CASSINI SA 5223Decision Made
2024· 3 proposals

  • November 2024

  • Construction of a single storey detached dwelling and above-ground rainwater tank
    837 BARK HUT RD CASSINI SA 5223Decision Made
  • Construction of agricultural building (shed) and above-ground rainwater tanks
    837 BARK HUT RD CASSINI SA 5223Decision Made

  • October 2024

  • Construction of an agricultural building
    LOT 3 NORTH COAST RD CASSINI SA 5223Decision Made
2023· 3 proposals

  • December 2023

  • Construction of outbuilding and relocation of two (2) rainwater tanks.
    3923 NORTH COAST RD CASSINI SA 5223Decision Made

  • October 2023

  • Construction of an agricultural building
    LOT 4 NORTH COAST RD CASSINI SA 5223Decision Made

  • January 2023

  • Tourist accommodation development comprising three (3) accommodation units/cabins and associated storage shed and rainwater tanks
    106 DEEP GULLY TRK CASSINI SA 5223Under Assessment
2022· 5 proposals

  • September 2022

  • Installation of Agricultural Shed for the purpose of storage of farm supplies and agricultural equipment
    LOT 18 PLAYFORD HWY CASSINI SA 5223Under Assessment

  • July 2022

  • Variation of Development Application 21039771 - no change to approved plans, simply to allow for b/rules staging.
    1955 BARK HUT RD CASSINI SA 5223Decision Made

  • March 2022

  • Construction of an agricultural building (implement shed)
    458 PIONEER BEND RD CASSINI SA 5223Decision Made

  • January 2022

  • Repairs, alterations and additions to Stokes Bay Community Hall
    1955 BARK HUT RD CASSINI SA 5223Under Assessment
  • Temporary accommodation in an area affected by bushfire
    LOT 178 WELCH TRK CASSINI SA 5223Decision Made
2021· 8 proposals

  • December 2021

  • NEW DWELLING INCLUDING LOUNGE, DINING, KITCHEN, LAUNDRY , BATHROOM, FAMILY ROOM, CAR PORT AND DECK
    LOT 51 BARK HUT RD CASSINI SA 5223Decision Made

  • September 2021

  • Construction of a shade sail and nature based playground
    1955 BARK HUT RD CASSINI SA 5223Decision Made
  • Construction of two (2) dams (16 megalitres and 2.5 megalitres respectively).
    3072 PLAYFORD HWY CASSINI SA 5223Decision Made

  • June 2021

  • New single storey tourist accommodation building
    3923 NORTH COAST RD CASSINI SA 5223Decision Made

  • May 2021

  • Construction of a store (shed structure).
    LOT 13 PLAYFORD HWY CASSINI SA 5223Decision Made
  • Land owner proposes to erect an enclosed net structure that would be 40m wide, 80m long and 4.75m high. The structure would be made out of steel for frame work, anti bird netting, cables to attach anti bird netting to frame, as well as a Colourbond fence around base of structure. Structure would then be completed with a concrete plinth. The structure would also have 3 P.A doors and one set of double gates to allow machinery to enter structure.
    1923 BARK HUT RD CASSINI SA 5223Decision Made
  • 40m x 21m x 4.5m Implement Shed - replacement for bushfire affected
    1923 BARK HUT RD CASSINI SA 5223Decision Made

  • April 2021

  • Construction of an agricultural building dimensioned 25 metre length x 9 metre width x 3 meter (3.79 metre ridge) height.
    LOT 4 BARK HUT RD CASSINI SA 5223Decision Made

Contributes to desirability score · Future Growth (7%)

Development and planning activity

Data sources & freshness

Heritage

1 heritage place

  • Cassini Station Complex and Mulberry TreeCassini Road, near KINGSCOTEState heritage

Data sources & freshness

Hazards

Bushfire planning zone
Overlay applies

Bushfire overlay checked at suburb centroid against all current SA Planning risk layers (high, medium, general, urban interface, regional, outback). Safer places from CFS designated locations.

Contributes to desirability score · Safety (18%)

Bushfire hazard overlays

Data sources & freshness

Politics & representation

Federal electorate
Mayo
Member of Parliament
Rebekha SHARKIE (Centre Alliance)
Results from
2025 federal election
Electorate enrolment (2025)
137,818
Turnout (2025)
94.2%
Swing since 2022 (2025)
+3.4 pp toward Labor

Two-party preferred (2025)

Coalition 45.0%Labor 55.0%

Estimated suburb voting profile

Estimated from 8 nearby ordinary polling places (up to 97.0 km away).

Coalition 72.5%Labor 27.4%

27.5 percentage points more Coalition-leaning than the electorate

Estimated swing since 2022: -10.9 pp toward Coalition

Nearest polling places

  • ParndanaLabor 21.6% · Coalition 78.4% TPP (2025)12.0 km away
  • KingscoteLabor 44.9% · Coalition 55.1% TPP (2025)30.5 km away
  • Special Hospital Team 5Labor 25.0% · Coalition 75.0% TPP (2025)31.0 km away
  • American RiverLabor 42.5% · Coalition 57.5% TPP (2025)44.5 km away
  • PenneshawLabor 50.6% · Coalition 49.4% TPP (2025)57.2 km away

Federal electorate from AEC federal division boundaries (2025 redistribution). Division-level results are official AEC figures from the latest general election, with by-election updates where applicable. The estimated suburb profile blends up to eight nearest ordinary polling booths in the same electorate using inverse-distance weighting from the suburb centroid — an approximation, not official AEC data. Nearest polling places are shown for reference.

Data sources & freshness

Socio-economic

IRSAD decile (2021)
8/10
IRSD decile (2021)
8/10

ABS Socio-Economic Indexes for Areas (SEIFA), 2021 release — the latest available, derived from the 2021 Census. Deciles rank suburbs nationally from 1 (lowest) to 10 (highest).

What do IRSAD and IRSD measure?

IRSAD — Index of Relative Socio-economic Advantage and Disadvantage. Combines indicators of advantage (e.g. high income, skilled occupations) and disadvantage. Higher decile = more advantaged relative to other Australian areas.

IRSD — Index of Relative Socio-economic Disadvantage. Focuses on disadvantage only (e.g. low income, unemployment, limited education). Higher decile = less disadvantage nationally.

A new SEIFA edition typically follows each census; the ABS has not announced a release date beyond 2021.

Contributes to desirability score · Community (5%)

Socio-economic advantage (IRSAD decile)

Data sources & freshness

More in Kangaroo Island Council

Other suburbs in the same local government area.