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6125, WA
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Demographics & Identity
Serpentine · Urban Centre
👥 Demographics & Identity in Serpentine
Who lives here — how many people, how old they are, and how communities identify.
More than half of the 1,485 people living in Serpentine are married, making it a community largely defined by established couples. While the population shrank by about 10% since 2011, it remains larger than about 67% of similar areas.
Part of
Postcode 6125, WA
LGA Serpentine-Jarrahdale
Capital Greater Perth
State Western Australia
Open map →
📍 Serpentine, Urban Centre
Where Serpentine sits — Total population
?
1,485
▼ -10.1%
1
10
100
1.0k
10k
100k
1.0M
4.7M
1–2: 3 areas
2–3: 0 areas
3–5: 0 areas
5–9: 0 areas
9–16: 2 areas
16–27: 1 area
27–47: 2 areas
47–81: 2 areas
81–139: 14 areas
139–241: 145 areas
241–418: 340 areas
418–723: 351 areas
723–1,252: 304 areas
1,252–2,168: 191 areas
2,168–3,752: 181 areas
3,752–6,495: 107 areas
6,495–11,242: 69 areas
11,242–19,459: 44 areas
19,459–33,683: 31 areas
33,683–58,304: 17 areas
58,304–100,921: 8 areas
100,921–174,689: 8 areas
174,689–302,378: 4 areas
302,378–523,401: 5 areas
523,401–905,982: 2 areas
905,982–1,568,210: 1 area
1,568,210–2,714,494: 2 areas
2,714,494–4,698,656: 2 areas
All urban centre areas, 2021. The marker is Serpentine — higher than 65% of areas.
Population
How many people, and the typical age.
The typical resident is now 39, which is 10 years older than the usual resident back in 2011. This is a little older than the typical person in Western Australia and across the country.
1,485
▼ -10.1%
Higher than 65% of urban centre areas.
1.5k
2.0k
2.5k
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
1,651
2,269
1,485
2011: 1,651
2016: 2,269
2021: 1,485
The number of people who usually live in the area, counted on Census night.
39 yrs
▲ +34.5%
Younger than 71% of urban centre areas.
30
35
40
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
29 yrs
40 yrs
39 yrs
2011: 29 yrs
2016: 40 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 21.1% of the population, which is much higher than most areas. Meanwhile, the proportion of seniors aged 65 and over is 11.3%, well below the national figure.
11.3%
▲ +593.0%
Lower than 86% of urban centre areas.
0.0%
5.0%
10.0%
15.0%
20.0%
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
1.6%
18.5%
11.3%
2011: 1.6%
2016: 18.5%
2021: 11.3%
Share of the population aged 65 years and over.
21.1%
▼ -27.1%
Higher than 75% of urban centre areas.
20.0%
25.0%
30.0%
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
29.0%
20.1%
21.1%
2011: 29.0%
2016: 20.1%
2021: 21.1%
Share of the population aged under 15 years.
In Serpentine, the largest group is Older adults (45–64) at 31%, followed by Young adults (25–44) (23%) and Children (0–14) (21%).
Identity & relationships
First Nations identity and marital status.
Aboriginal and Torres Strait Islander people make up 2.7% of the population, down 16 points since 2011. Those in de facto relationships account for 12.6%, which is about the same as the state average.
2.7%
▼ -85.3%
Lower than 68% of urban centre areas.
0.0%
5.0%
10.0%
15.0%
20.0%
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
18.4%
2.6%
2.7%
2011: 18.4%
2016: 2.6%
2021: 2.7%
Share of people who identify as Aboriginal and/or Torres Strait Islander.
12.6%
▼ -46.0%
Lower than 56% of urban centre areas.
10.0%
15.0%
20.0%
25.0%
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
23.3%
13.5%
12.6%
2011: 23.3%
2016: 13.5%
2021: 12.6%
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
In Serpentine, Married is the majority at 55%; Never married is next at 31%.
Age & sex structure
Males
Females
85+
80–84
75–79
70–74
65–69
60–64
55–59
50–54
45–49
40–44
35–39
30–34
25–29
20–24
15–19
10–14
5–9
0–4
81
81
85+: 85+: 5 males; 85+: 3 females
80–84: 80–84: 4 males; 80–84: 4 females
75–79: 75–79: 12 males; 75–79: 12 females
70–74: 70–74: 34 males; 70–74: 28 females
65–69: 65–69: 25 males; 65–69: 27 females
60–64: 60–64: 49 males; 60–64: 46 females
55–59: 55–59: 50 males; 55–59: 54 females
50–54: 50–54: 81 males; 50–54: 52 females
45–49: 45–49: 69 males; 45–49: 60 females
40–44: 40–44: 37 males; 40–44: 54 females
35–39: 35–39: 44 males; 35–39: 59 females
30–34: 30–34: 50 males; 30–34: 37 females
25–29: 25–29: 39 males; 25–29: 40 females
20–24: 20–24: 38 males; 20–24: 40 females
15–19: 15–19: 61 males; 15–19: 49 females
10–14: 10–14: 66 males; 10–14: 40 females
5–9: 5–9: 49 males; 5–9: 47 females
0–4: 0–4: 63 males; 0–4: 45 females
Sources
Census of Population and Housing — Australian Bureau of Statistics, 2021 (CC BY 4.0 ).
Cite this page
Australian Bureau of Statistics. (2021). Demographics & Identity in Serpentine [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/ucl/UCL515032/serpentine/topic/demographics-identity
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