253 ▼ -41.4%
Higher than 58% of suburb / locality areas.
- 2011: 432
- 2016: 276
- 2021: 253
The number of people who usually live in the area, counted on Census night.
Lock · Suburb / Locality
Demographics & Identity in Lock
Who lives here — how many people, how old they are, and how communities identify.
Fewer than 300 people live in Lock, but it is noticeably younger than many similar areas. The typical resident is 38, which is younger than the South Australian average. This trend is driven by a high number of children, who make up nearly a quarter of the population.
253
▼ -41.4%
- 1–1: 689 areas
- 1–2: 0 areas
- 2–3: 119 areas
- 3–5: 108 areas
- 5–7: 243 areas
- 7–11: 241 areas
- 11–16: 514 areas
- 16–24: 579 areas
- 24–36: 898 areas
- 36–53: 1059 areas
- 53–79: 1168 areas
- 79–117: 1203 areas
- 117–174: 1171 areas
- 174–258: 1010 areas
- 258–384: 856 areas
- 384–571: 670 areas
- 571–850: 616 areas
- 850–1,263: 567 areas
- 1,263–1,879: 520 areas
- 1,879–2,794: 590 areas
- 2,794–4,154: 679 areas
- 4,154–6,177: 585 areas
- 6,177–9,186: 528 areas
- 9,186–13,659: 405 areas
- 13,659–20,311: 195 areas
- 20,311–30,202: 96 areas
- 30,202–44,910: 33 areas
- 44,910–66,781: 10 areas
All suburb / locality areas, 2021. The marker is Lock — higher than 58% of areas.
| Lock | 253 |
|---|---|
| 5633, SA | 286 |
| South Australia | 1,781,516 |
| Australia | 25,422,788 |
Population
How many people, and the typical age.
Lock has 253 residents, which is a larger population than about 58% of similar areas. The typical age here is 38, making it noticeably younger than the state average of 41.
38 yrs ▼ -11.6%
Younger than 77% of suburb / locality areas.
- 2011: 43 yrs
- 2016: 45 yrs
- 2021: 38 yrs
Half the population is older than this age, and half younger.
Age profile
How the population splits across age groups.
Children under 15 make up 23.3% of the population, a figure well above the national average of 18.2%. Meanwhile, seniors aged 65 and over account for 17.0%, which is well below the state figure of 20.0%.
17.0% ▲ +29.7%
Lower than 58% of suburb / locality areas.
- 2011: 13.1%
- 2016: 10.1%
- 2021: 17.0%
Share of the population aged 65 years and over.
23.3% ▲ +2.5%
Higher than 85% of suburb / locality areas.
- 2011: 22.8%
- 2016: 20.7%
- 2021: 23.3%
Share of the population aged under 15 years.
Age structure
View on map →In Lock, the largest group is Older adults (45–64) at 31%, followed by Children (0–14) (25%) and Young adults (25–44) (18%).
Identity & relationships
First Nations identity and marital status.
Aboriginal and Torres Strait Islander people make up 2.8% of the population, about the same as the national figure. Most residents are married (53.3%), while those in de facto relationships (9.8%) are slightly fewer than in most other areas.
2.8% ▲ +33.4%
Higher than 58% of suburb / locality areas.
- 2011: 2.1%
- 2016: 0.0%
- 2021: 2.8%
Share of people who identify as Aboriginal and/or Torres Strait Islander.
9.8% ▲ +32.4%
Lower than 69% of suburb / locality areas.
- 2011: 7.4%
- 2016: 12.2%
- 2021: 9.8%
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
Marital status
View on map →In Lock, Married is the majority at 54%; Never married is next at 32%.
Age & sex structure
Sources
- Census of Population and Housing — Australian Bureau of Statistics, 2021 (CC BY 4.0).
More for Lock
Cite this page
Australian Bureau of Statistics. (2021). Demographics & Identity in Lock [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sal/SAL40774/lock/topic/demographics-identity