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Demographics & Identity
3806, VIC · Postcode
👥 Demographics & Identity in 3806, VIC
Who lives here — how many people, how old they are, and how communities identify.
More than one in five residents in postcode 3806 are children under 15, a figure much higher than most similar areas. This large population of young people helps keep the typical age at 38, which is about the same as the Victorian and national figures.
Part of
LGA Casey
Capital Greater Melbourne
State Victoria
Open map →
📍 3806, VIC, Postcode
Where 3806, VIC sits — Total population
?
51,308
▲ +12.6%
1
10
100
1.0k
10k
100k
1–2: 1 area
2–2: 0 areas
2–4: 0 areas
4–5: 2 areas
5–8: 3 areas
8–12: 2 areas
12–19: 2 areas
19–29: 12 areas
29–44: 19 areas
44–67: 35 areas
67–102: 30 areas
102–155: 70 areas
155–237: 97 areas
237–360: 129 areas
360–549: 158 areas
549–836: 168 areas
836–1,273: 181 areas
1,273–1,938: 179 areas
1,938–2,951: 157 areas
2,951–4,493: 179 areas
4,493–6,842: 176 areas
6,842–10,418: 210 areas
10,418–15,865: 268 areas
15,865–24,158: 254 areas
24,158–36,786: 182 areas
36,786–56,016: 93 areas
56,016–85,299: 28 areas
85,299–129,888: 8 areas
All postcode areas, 2021. The marker is 3806, VIC — higher than 90% of areas.
Total population compared with the state and national average
3806, VIC 51,308
Casey
365,239
Victoria
6,503,491
Australia
25,422,788
Population
How many people, and the typical age.
The area is among the largest of its kind with 51,308 people. This population grew by 13% since 2011, adding about 5,757 residents.
51,308
▲ +12.6%
Higher than 90% of postcode areas.
44k
46k
48k
50k
52k
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
45,551
48,520
51,308
2011: 45,551
2016: 48,520
2021: 51,308
The number of people who usually live in the area, counted on Census night.
38 yrs
▲ +8.6%
Younger than 76% of postcode areas.
34
35
36
37
38
39
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
35 yrs
36 yrs
38 yrs
2011: 35 yrs
2016: 36 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 20.8% of the population, which is a little above the national figure of 18.2%. Meanwhile, seniors aged 65 and over are much less common here than in most areas, sitting well below the Australian average at 14.2%.
14.2%
▲ +34.6%
Lower than 78% of postcode areas.
10.0%
12.0%
14.0%
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
10.5%
12.5%
14.2%
2011: 10.5%
2016: 12.5%
2021: 14.2%
Share of the population aged 65 years and over.
20.8%
▼ -12.9%
Higher than 82% of postcode areas.
20.0%
21.0%
22.0%
23.0%
24.0%
25.0%
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
23.8%
22.5%
20.8%
2011: 23.8%
2016: 22.5%
2021: 20.8%
Share of the population aged under 15 years.
3806, VIC splits fairly evenly between Young adults (25–44) (26%) and Older adults (45–64) (26%), with Children (0–14) at 21%.
Identity & relationships
First Nations identity and marital status.
Aboriginal and Torres Strait Islander people make up 0.5% of the population, which is much lower than most areas. Those in de facto relationships are also less common here than across the country, at 8.3%.
0.5%
▲ +47.4%
Lower than 86% of postcode areas.
0.3%
0.3%
0.4%
0.5%
0.5%
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
0.3%
0.4%
0.5%
2011: 0.3%
2016: 0.4%
2021: 0.5%
Share of people who identify as Aboriginal and/or Torres Strait Islander.
8.3%
▲ +4.6%
Lower than 87% of postcode areas.
7.4%
7.6%
7.8%
8.0%
8.2%
8.4%
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
7.9%
7.6%
8.3%
2011: 7.9%
2016: 7.6%
2021: 8.3%
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
In 3806, VIC, Married is the majority at 54%; 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
2.1k
2.1k
85+: 85+: 381 males; 85+: 625 females
80–84: 80–84: 470 males; 80–84: 591 females
75–79: 75–79: 588 males; 75–79: 797 females
70–74: 70–74: 795 males; 70–74: 968 females
65–69: 65–69: 934 males; 65–69: 1,134 females
60–64: 60–64: 1,251 males; 60–64: 1,293 females
55–59: 55–59: 1,534 males; 55–59: 1,541 females
50–54: 50–54: 1,869 males; 50–54: 1,899 females
45–49: 45–49: 1,815 males; 45–49: 2,031 females
40–44: 40–44: 1,914 males; 40–44: 2,035 females
35–39: 35–39: 1,759 males; 35–39: 2,060 females
30–34: 30–34: 1,314 males; 30–34: 1,567 females
25–29: 25–29: 1,315 males; 25–29: 1,316 females
20–24: 20–24: 1,672 males; 20–24: 1,500 females
15–19: 15–19: 1,922 males; 15–19: 1,778 females
10–14: 10–14: 2,066 males; 10–14: 1,913 females
5–9: 5–9: 1,911 males; 5–9: 1,922 females
0–4: 0–4: 1,460 males; 0–4: 1,377 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 3806, VIC [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/poa/POA3806/3806-vic/topic/demographics-identity
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