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Demographics & Identity
3980, VIC · Postcode
👥 Demographics & Identity in 3980, VIC
Who lives here — how many people, how old they are, and how communities identify.
Growing by 17% since 2011, postcode 3980 now has 3,571 residents. This area is seeing a shift toward an older population, with the typical age rising to 40 years. It remains a family-friendly spot where children make up a larger share of the community than in most similar areas.
Part of
LGA Casey
Capital Greater Melbourne
State Victoria
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📍 3980, VIC, Postcode
Where 3980, VIC sits — Total population
?
3,571
▲ +16.7%
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 3980, VIC — lower than 51% of areas.
Total population compared with the state and national average
3980, VIC 3,571
Casey
365,239
Victoria
6,503,491
Australia
25,422,788
Population
How many people, and the typical age.
The population grew by about 511 people over the last decade to reach 3,571. The typical resident is now 40, which is a little older than the national figure of 38.
3,571
▲ +16.7%
Lower than 51% of postcode areas.
3.0k
3.2k
3.4k
3.6k
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
3,060
3,350
3,571
2011: 3,060
2016: 3,350
2021: 3,571
The number of people who usually live in the area, counted on Census night.
40 yrs
▲ +8.1%
Younger than 64% of postcode areas.
36
37
38
39
40
41
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
37 yrs
39 yrs
40 yrs
2011: 37 yrs
2016: 39 yrs
2021: 40 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 19.9% of the area, a figure much higher than most similar places. Meanwhile, the share of seniors aged 65 and over rose 6.4 points since 2011 to reach 16.4%.
16.4%
▲ +63.5%
Lower than 69% of postcode areas.
8.0%
10.0%
12.0%
14.0%
16.0%
18.0%
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
10.0%
13.8%
16.4%
2011: 10.0%
2016: 13.8%
2021: 16.4%
Share of the population aged 65 years and over.
19.9%
▼ -8.3%
Higher than 76% of postcode areas.
19.5%
20.0%
20.5%
21.0%
21.5%
22.0%
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
21.7%
21.0%
19.9%
2011: 21.7%
2016: 21.0%
2021: 19.9%
Share of the population aged under 15 years.
3980, VIC splits fairly evenly between Older adults (45–64) (28%) and Young adults (25–44) (25%), with Children (0–14) at 20%.
Identity & relationships
First Nations identity and marital status.
De facto relationships are more common here than in most areas, at 14.5%, which is well above the Victorian figure of 11.2%. Aboriginal and Torres Strait Islander people make up 1.2% of the population.
1.2%
▲ +71.4%
Lower than 69% of postcode areas.
0.6%
0.8%
1.0%
1.2%
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
0.7%
1.1%
1.2%
2011: 0.7%
2016: 1.1%
2021: 1.2%
Share of people who identify as Aboriginal and/or Torres Strait Islander.
14.5%
▲ +13.0%
Higher than 72% of postcode areas.
12.5%
13.0%
13.5%
14.0%
14.5%
15.0%
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
12.8%
13.7%
14.5%
2011: 12.8%
2016: 13.7%
2021: 14.5%
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
In 3980, VIC, the largest group is Married at 49%, followed by Never married (34%) and Divorced (10%).
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
154
154
85+: 85+: 18 males; 85+: 22 females
80–84: 80–84: 33 males; 80–84: 26 females
75–79: 75–79: 54 males; 75–79: 37 females
70–74: 70–74: 115 males; 70–74: 80 females
65–69: 65–69: 105 males; 65–69: 102 females
60–64: 60–64: 110 males; 60–64: 108 females
55–59: 55–59: 144 males; 55–59: 124 females
50–54: 50–54: 130 males; 50–54: 125 females
45–49: 45–49: 121 males; 45–49: 123 females
40–44: 40–44: 121 males; 40–44: 100 females
35–39: 35–39: 102 males; 35–39: 138 females
30–34: 30–34: 123 males; 30–34: 117 females
25–29: 25–29: 96 males; 25–29: 96 females
20–24: 20–24: 93 males; 20–24: 101 females
15–19: 15–19: 116 males; 15–19: 104 females
10–14: 10–14: 119 males; 10–14: 105 females
5–9: 5–9: 154 males; 5–9: 115 females
0–4: 0–4: 111 males; 0–4: 111 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 3980, VIC [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/poa/POA3980/3980-vic/topic/demographics-identity
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