Kangaroo Island

South Australia · South Australia - South East · 4,888 people · 54 suburbs · 4 postcodes

Kangaroo Island at a glance

4,888

Population

#47 of 72 in SA

4,401

km² area

1/km² density

49.8

Median age

+8.5 vs SA

952

SEIFA IRSAD

#32 of 72 in SA

Schools

1 gov, 0 Cath, 0 indep

14.4%

Born overseas

23.2%

Renting

Map shows the Kangaroo Island LGA boundary in blue with a marker per suburb. Hover for suburb name, click for details.

Marker colour reflects SEIFA IRSAD decile: ● 1-2 (most disadvantaged), ● 3-4, ● 5-6, ● 7-8, ● 9-10 (most advantaged).

Boundary source: ABS ASGS 2021. Map tiles: OpenStreetMap contributors.

Federal electorate boundaries can be toggled on the map. Boundary source: ABS ASGS 2021 CED boundaries.

Kangaroo Island is a Local Government Area in South Australia, in the Adelaide region. It covers 54 suburbs across 4 postcodes and an area of 4,401 km². Kangaroo Island has a population of 4,888 , ranking #47 most populous in SA. The most populous suburb is Kingscote (1,962 residents).About 14.4% of residents were born overseas and 4.0% speak a language other than English at home.

Who lives here

Age structure

15.6%

6.8%

19.8%

30.0%

27.8%

0–14 (15.6%) 15–24 (6.8%) 25–44 (19.8%) 45–64 (30.0%) 65+ (27.8%)

Show counts

0–14 years	746 (15.6%)
15–24 years	323 (6.8%)
25–44 years	946 (19.8%)
45–64 years	1,431 (30.0%)
65+ years	1,324 (27.8%)

14.4%

Born overseas

4.0%

Speak a language other than English at home

1.4%

First Nations

2.2

Avg household size

How they live

Housing tenure

46.5%

30.2%

23.2%

Owned outright (46.5%) Mortgaged (30.2%) Renting (23.2%)

Dwelling type mix

97.4%

Separate house (97.4%) Semi/townhouse (1.9%) Flat/apartment (0.7%)

$195

Median weekly rent

$1,002

Median monthly mortgage

38.1%

Households with 0-1 cars

61.9%

Households with 2+ cars

Work and learning

3.3%

Unemployment rate

1,125

In full-time work

949

In part-time work

Schools in Kangaroo Island

1 schools across Kangaroo Island: 100.0% Government, 0% Catholic, 0% Independent. The SA average is 70.8% / 14.3% / 14.9%. Schools here have a median ICSEA of 998 (range 998 to 998). SA median is 999; national mean is 1000.

Sector mix

100.0%

SA average for comparison

70.8%

14.3%

14.9%

Government Catholic Independent

Type breakdown

100.0%

Primary (0%) Secondary (0%) Combined (100.0%) Special (0%)

ICSEA range

700 National mean 1000 1300

LGA median 998 SA median 999LGA range 998 to 998

ICSEA (Index of Community Socio-Educational Advantage) summarises the socio-economic background of each school's families. Higher values indicate more advantage. Source: ACARA 2025.

All 1 schools in Kangaroo Island, sorted by enrolment:

School	Sector	Type	Suburb	Students	ICSEA
Kangaroo Island Community Education	Government	Combined	Kingscote	710	998

Source: ACARA School Profiles 2025. ICSEA shown where reported; some schools (notably small primaries) do not publish ICSEA.

SEIFA socio-economic indexes

SEIFA 2021 ranks Australian areas across four dimensions. Scores are population-weighted averages of suburb-level SEIFA scores within Kangaroo Island. Higher scores indicate more advantage; the national mean is 1000.

IRSAD

Relative socio-economic advantage and disadvantage

952

Ranked #32 of 72 SA LGAs

IRSD

Relative disadvantage only (lower = more disadvantaged)

992

IER

Economic resources: income, wealth, housing

982

IEO

Education and occupation: qualifications, skill levels

945

Suburbs in Kangaroo Island

Kangaroo Island contains 54 suburbs and 4 postcodes. Sorted by population.

Suburb	Postcode	Population	Median income	Median age
Kingscote	5223	1,962	$1,103/wk	51
American River	5221	280	$831/wk	63
Penneshaw	5222	269	$961/wk	54
Brownlow Ki	5223	238	$1,024/wk	52
Haines	5223	163	$1,275/wk	46
Parndana	5220	155	$1,100/wk	43
Nepean Bay	5223	140	$875/wk	51
Wisanger	5223	140	$1,281/wk	43
Macgillivray	5223	117	$1,937/wk	37
Seddon	5223	107	$1,708/wk	37
Emu Bay	5223	95	$1,333/wk	57
Vivonne Bay	5223	95	$1,249/wk	40
Baudin Beach	5222	94	$866/wk	56
Menzies	5223	83	$2,250/wk	38
Cassini	5223	73	$1,542/wk	41
Cygnet River	5223	72	$949/wk	40
Island Beach	5222	71	$725/wk	60
Duncan	5223	67	$1,875/wk	32
Dudley East	5222	58	$1,292/wk	55
Newland	5223	52	$1,708/wk	33
Stokes Bay	5223	52	$1,125/wk	49
Birchmore	5223	49	$1,625/wk	39
Pelican Lagoon	5222	48	$833/wk	68
Kohinoor	5223	39	$1,687/wk	43
Karatta	5223	37	$1,125/wk	53
Muston	5221	34	$1,024/wk	56
Bay Of Shoals	5223	30	$1,875/wk	52
Dudley West	5222	25	$1,125/wk	50
Gosse	5223	25	$1,875/wk	48
Middle River	5223	23	$1,124/wk	45
Ballast Head	5221	21	$2,249/wk	45
Sapphiretown	5222	21	$1,083/wk	55
Ironstone	5222	20	$1,499/wk	55
Kangaroo Head	5222	18	$1,187/wk	60
Porky Flat	5222	16	$2,874/wk	38
Western River	5223	16	$1,624/wk	41
Antechamber Bay	5222	13	$725/wk	62
Cuttlefish Bay	5222	13	$1,999/wk	64
D'Estrees Bay	5223	11	$1,749/wk	39
Willoughby	5222	11	$1,874/wk	54
Cape Borda	5223	9	$850/wk	44
Seal Bay	5223	7	$1,125/wk	45
Stun'Sail Boom	5223	7	$612/wk	64
Willson River	5222	6	$450/wk	75
Brown Beach	5222	3	$2,250/wk	62
De Mole River	5223	3		55
American Beach	5222			72
Browns Beach	5222
D’Estrees Bay	5223
Flinders Chase	5223
Harriet River	5223
Hungerford	5222
North Cape	5223		$2,250/wk	63
Stun’Sail Boom	5223

Postcodes covered

5220, 5221, 5222, 5223

Compare Kangaroo Island with neighbouring LGAs

Side-by-side demographic and socio-economic snapshot of Kangaroo Island and its closest neighbouring LGAs.

LGA	Population	Median age	SEIFA IRSAD	% renting	% overseas-born
Kangaroo Island (SA)	4,888	49.8	952	23.2%	14.4%
Goyder	4,087	51.4	914	18.1%	9.4%

Services and amenities

NDIS Providers NDIS provider directory for Kangaroo Island Climate & weather Climate data for Kingscote

Frequently asked questions about Kangaroo Island

What is the population of Kangaroo Island?

The 2021 Census recorded 4,888 people living in Kangaroo Island, across 54 suburbs.

What suburbs are in Kangaroo Island?

Kangaroo Island contains 54 suburbs. The most populous are Kingscote, American River, Penneshaw, Brownlow Ki, Haines.See the full list in the Suburbs section above.

What postcodes are in Kangaroo Island?

Kangaroo Island covers 4 postcodes: 5220, 5221, 5222, 5223.

How many schools are in Kangaroo Island?

Kangaroo Island has 1 schools, including 1 government, 0 Catholic, and 0 independent schools (ACARA 2025).

What is the SEIFA score for Kangaroo Island?

Kangaroo Island has a population-weighted SEIFA IRSAD score of 952, where the national average is 1000. Higher scores indicate more relative advantage.

Page last reviewed June 2026. Data sources: Australian Bureau of Statistics 2021 Census (CC BY 4.0), SEIFA 2021 (IRSD, IRSAD, IER, IEO), ACARA School Profiles 2025, ABS ASGS 2021 LGA boundaries. How this data is sourced.