4,894 ▲ +10.8%
Lower than 78% of statistical area 2 (sa2) 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 · Statistical Area 2 (SA2)
Demographics & Identity in Kangaroo Island
Who lives here — how many people, how old they are, and how communities identify.
A far older population than the state or national average defines Kangaroo Island, where the typical resident is 50. This trend is driven by a significant rise in the number of seniors and a shrinking proportion of children.
4,894
▲ +10.8%
- 1–1: 40 areas
- 1–2: 0 areas
- 2–3: 0 areas
- 3–4: 12 areas
- 4–6: 6 areas
- 6–9: 9 areas
- 9–13: 10 areas
- 13–19: 7 areas
- 19–27: 17 areas
- 27–39: 6 areas
- 39–56: 5 areas
- 56–81: 4 areas
- 81–116: 1 area
- 116–168: 5 areas
- 168–242: 3 areas
- 242–349: 4 areas
- 349–503: 2 areas
- 503–725: 9 areas
- 725–1,045: 3 areas
- 1,045–1,506: 5 areas
- 1,506–2,171: 31 areas
- 2,171–3,130: 83 areas
- 3,130–4,513: 217 areas
- 4,513–6,507: 318 areas
- 6,507–9,382: 402 areas
- 9,382–13,526: 546 areas
- 13,526–19,501: 496 areas
- 19,501–28,116: 231 areas
All statistical area 2 (sa2) areas, 2021. The marker is Kangaroo Island — lower than 78% of areas.
| Kangaroo Island | 4,894 |
|---|---|
| 5223, SA | 3,734 |
| South Australia | 1,781,516 |
| Australia | 25,422,788 |
Population
How many people, and the typical age.
The population grew 11% since 2011 to reach 4,894 people. This community is far older than most other similar areas, with the typical resident now 50 years old, which is 12 years older than the national figure.
50 yrs ▲ +8.7%
Older than 90% of statistical area 2 (sa2) 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.
Seniors aged 65 and over make up 27.1% of the population, a figure well above the national average and 10 points higher than in 2011. This shift coincides with a decline in children under 15, who now make up 15.9% of the area.
27.1% ▲ +58.8%
Higher than 90% of statistical area 2 (sa2) areas.
- 2011: 17.1%
- 2016: 23.3%
- 2021: 27.1%
Share of the population aged 65 years and over.
15.9% ▼ -10.8%
Lower than 72% of statistical area 2 (sa2) 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.
About 16.0% of residents are in a de facto relationship, which is well above the figures for South Australia and Australia. Those of Aboriginal and Torres Strait Islander descent make up 1.7% of the population, which is about the same as the state average.
1.7% ▲ +48.0%
Lower than 57% of statistical area 2 (sa2) 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 86% of statistical area 2 (sa2) 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/sa2/407011145/kangaroo-island/topic/demographics-identity