4,894 ▲ +10.8%
Lower than 67% of council (lga) areas.
- 2011: 4,417
- 2016: 4,702
- 2021: 4,894
The number of people who usually live in the area, counted on Census night.
Kangaroo Island · Council (LGA)
Demographics & Identity in Kangaroo Island
Who lives here — how many people, how old they are, and how communities identify.
An ageing population is the biggest shift for Kangaroo Island, where the typical resident is now 50 years old. The area has grown by 11% since 2011, adding about 477 people, but it remains far older than the national average.
4,894
▲ +10.8%
- 1–2: 3 areas
- 2–3: 0 areas
- 3–4: 0 areas
- 4–7: 0 areas
- 7–12: 2 areas
- 12–20: 1 area
- 20–33: 0 areas
- 33–55: 1 area
- 55–91: 0 areas
- 91–150: 5 areas
- 150–248: 3 areas
- 248–409: 13 areas
- 409–675: 22 areas
- 675–1,115: 38 areas
- 1,115–1,840: 37 areas
- 1,840–3,038: 30 areas
- 3,038–5,014: 40 areas
- 5,014–8,276: 49 areas
- 8,276–13,661: 54 areas
- 13,661–22,550: 57 areas
- 22,550–37,223: 43 areas
- 37,223–61,442: 49 areas
- 61,442–101,420: 39 areas
- 101,420–167,409: 37 areas
- 167,409–276,336: 31 areas
- 276,336–456,137: 8 areas
- 456,137–752,926: 2 areas
- 752,926–1,242,825: 1 area
All council (lga) areas, 2021. The marker is Kangaroo Island — lower than 67% of areas.
| Kangaroo Island | 4,894 |
|---|---|
| Rest of SA | 390,843 |
| South Australia | 1,781,516 |
| Australia | 25,422,788 |
Population
How many people, and the typical age.
The typical resident is 50, which is far older than the national figure of 38. This age has climbed by 4 years since 2011, and the total population now stands at 4,894.
50 yrs ▲ +8.7%
Older than 86% of council (lga) areas.
- 2011: 46 yrs
- 2016: 49 yrs
- 2021: 50 yrs
Half the population is older than this age, and half younger.
Age profile
How the population splits across age groups.
Seniiors aged 65 and over make up 27.1% of the population, a figure that rose 10 points since 2011 and is well above the national average. Meanwhile, children under 15 have fallen to 15.9%, which is a little below the national figure.
27.1% ▲ +58.3%
Higher than 85% of council (lga) areas.
- 2011: 17.1%
- 2016: 23.3%
- 2021: 27.1%
Share of the population aged 65 years and over.
15.9% ▼ -10.9%
Lower than 73% of council (lga) areas.
- 2011: 17.9%
- 2016: 16.5%
- 2021: 15.9%
Share of the population aged under 15 years.
Age structure
View on map →Kangaroo Island splits fairly evenly between Older adults (45–64) (30%) and Seniors (65+) (27%), with Young adults (25–44) at 20%.
Identity & relationships
First Nations identity and marital status.
People in de facto relationships make up 16.0% of the area, which is well above the national figure of 11.5%. Aboriginal and Torres Strait Islander people account for 1.7% of the population, which has barely changed since 2011.
1.7% ▲ +47.9%
Lower than 76% of council (lga) areas.
- 2011: 1.1%
- 2016: 1.4%
- 2021: 1.7%
Share of people who identify as Aboriginal and/or Torres Strait Islander.
16.0% ▲ +22.3%
Higher than 79% of council (lga) areas.
- 2011: 13.0%
- 2016: 13.0%
- 2021: 16.0%
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
Marital status
View on map →In Kangaroo Island, the largest group is Married at 50%, followed by Never married (29%) and Divorced (11%).
Age & sex structure
Sources
- Census of Population and Housing — Australian Bureau of Statistics, 2021 (CC BY 4.0).
More for Kangaroo Island
Cite this page
Australian Bureau of Statistics. (2021). Demographics & Identity in Kangaroo Island [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/lga/LGA42750/kangaroo-island/topic/demographics-identity