26,480 ▲ +16.3%
Higher than 98% of statistical area 2 (sa2) areas.
- 2011: 22,761
- 2016: 24,236
- 2021: 26,480
The number of people who usually live in the area, counted on Census night.
Plympton · Statistical Area 2 (SA2)
Demographics & Identity in Plympton
Who lives here — how many people, how old they are, and how communities identify.
Over a third of Plympton residents are married, reflecting a stable community that has grown by 16% since 2011. The area is now home to 26,480 people and is notably younger than the state average, with a typical resident aged 36.
26,480
▲ +16.3%
- 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 Plympton — higher than 98% of areas.
| Plympton | 26,480 |
|---|---|
| 5037, SA | 11,702 |
| South Australia | 1,781,516 |
| Australia | 25,422,788 |
Population
How many people, and the typical age.
Plympton is among the largest areas at this level, with its population growing by 3,719 people over the last decade. This growth has seen the typical resident become slightly younger, moving from 37 to 36 years old since 2011.
36 yrs ▼ -2.7%
Younger than 71% of statistical area 2 (sa2) areas.
- 2011: 37 yrs
- 2016: 36 yrs
- 2021: 36 yrs
Half the population is older than this age, and half younger.
Age profile
How the population splits across age groups.
Young adults aged 25 to 44 make up the biggest age group at 33.8%. The area has far fewer children under 15 than most other areas, and the share of seniors has fallen slightly to 17.8%.
17.8% ▼ -6.0%
Higher than 53% of statistical area 2 (sa2) areas.
- 2011: 19.0%
- 2016: 18.6%
- 2021: 17.8%
Share of the population aged 65 years and over.
14.4% ▲ +0.8%
Lower than 83% of statistical area 2 (sa2) areas.
- 2011: 14.3%
- 2016: 14.4%
- 2021: 14.4%
Share of the population aged under 15 years.
Age structure
View on map →In Plympton, the largest group is Young adults (25–44) at 34%, followed by Older adults (45–64) (21%) and Seniors (65+) (18%).
Identity & relationships
First Nations identity and marital status.
Aboriginal and Torres Strait Islander people make up 1.2% of the population, which is a little below the state and national figures. Nearly 40% of residents have never been married, while the share of those in de facto relationships rose to 11.1%.
1.2% ▲ +60.1%
Lower than 68% of statistical area 2 (sa2) areas.
- 2011: 0.7%
- 2016: 0.9%
- 2021: 1.2%
Share of people who identify as Aboriginal and/or Torres Strait Islander.
11.1% ▲ +23.6%
Lower than 62% of statistical area 2 (sa2) areas.
- 2011: 9.0%
- 2016: 9.9%
- 2021: 11.1%
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
Marital status
View on map →Plympton splits fairly evenly between Married (44%) and Never married (39%), with Divorced at 9%.
Age & sex structure
Sources
- Census of Population and Housing — Australian Bureau of Statistics, 2021 (CC BY 4.0).
More for Plympton
Cite this page
Australian Bureau of Statistics. (2021). Demographics & Identity in Plympton [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa2/404031107/plympton/topic/demographics-identity