12,503 ▲ +8.7%
Higher than 88% of suburb / locality areas.
- 2011: 11,504
- 2016: 11,733
- 2021: 12,503
The number of people who usually live in the area, counted on Census night.
Diamond Creek · Suburb / Locality
Demographics & Identity in Diamond Creek
Who lives here — how many people, how old they are, and how communities identify.
Diamond Creek has grown into one of the largest areas in its region with 12,503 residents. The population is notably younger than many similar places, with a high proportion of children and far fewer seniors than the state average.
12,503
▲ +8.7%
- 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 Diamond Creek — higher than 88% of areas.
Population
How many people, and the typical age.
The typical resident is 39 years old, making the population a little older than the national figure of 38.
39 yrs ▲ +8.3%
Younger than 74% of suburb / locality areas.
- 2011: 36 yrs
- 2016: 38 yrs
- 2021: 39 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 19.4% of the population, which is higher than most areas. In contrast, the 13.1% of people aged 65 and over is well below the Australian average of 17.2%.
13.1% ▲ +67.5%
Lower than 74% of suburb / locality areas.
- 2011: 7.8%
- 2016: 10.3%
- 2021: 13.1%
Share of the population aged 65 years and over.
19.4% ▼ -9.2%
Higher than 66% of suburb / locality areas.
- 2011: 21.3%
- 2016: 20.0%
- 2021: 19.4%
Share of the population aged under 15 years.
Age structure
View on map →Diamond Creek splits fairly evenly between Older adults (45–64) (29%) and Young adults (25–44) (24%), with Children (0–14) at 19%.
Identity & relationships
First Nations identity and marital status.
Most residents are married at 53.2%, while 34.2% have never married. Those identifying as Aboriginal or Torres Strait Islander make up 0.7% of the population, which is lower than most areas.
0.7% ▲ +102.4%
Lower than 63% of suburb / locality areas.
- 2011: 0.3%
- 2016: 0.4%
- 2021: 0.7%
Share of people who identify as Aboriginal and/or Torres Strait Islander.
10.6% ▲ +44.4%
Lower than 63% of suburb / locality areas.
- 2011: 7.3%
- 2016: 9.3%
- 2021: 10.6%
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
Marital status
View on map →In Diamond Creek, Married is the majority at 53%; Never married is next at 34%.
Age & sex structure
Sources
- Census of Population and Housing — Australian Bureau of Statistics, 2021 (CC BY 4.0).
More for Diamond Creek
Cite this page
Australian Bureau of Statistics. (2021). Demographics & Identity in Diamond Creek [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sal/SAL20752/diamond-creek/topic/demographics-identity