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Demographics & Identity
3977, VIC · Postcode
👥 Demographics & Identity in 3977, VIC
Who lives here — how many people, how old they are, and how communities identify.
A typical resident in postcode 3977 is just 33, making it one of the youngest areas at this level. The population has surged by 74% since 2011 to reach 117,143 people, driven by a high proportion of children and young adults.
Part of
LGA Casey
Capital Greater Melbourne
State Victoria
Open map →
📍 3977, VIC, Postcode
Where 3977, VIC sits — Total population
?
117,143
▲ +73.7%
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 3977, VIC — higher than 98% of areas.
Total population compared with the state and national average
3977, VIC 117,143
Casey
365,239
Victoria
6,503,491
Australia
25,422,788
Population
How many people, and the typical age.
The total population grew by about 49,719 people since 2011. This growth has not stopped the area from remaining noticeably younger than both Victoria and Australia, where the typical age is 38.
117,143
▲ +73.7%
Higher than 98% of postcode areas.
60k
80k
100k
120k
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
67,424
93,326
117,143
2011: 67,424
2016: 93,326
2021: 117,143
The number of people who usually live in the area, counted on Census night.
33 yrs
▲ +3.1%
Younger than 93% of postcode areas.
32
33
33
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
32 yrs
32 yrs
33 yrs
2011: 32 yrs
2016: 32 yrs
2021: 33 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 24.5% of the population, which is well above the national figure of 18.2%. Meanwhile, seniors aged 65 and over are much less common here at 9.7% compared to 17.2% across Australia.
9.7%
▲ +14.6%
Lower than 90% of postcode areas.
8.0%
8.5%
9.0%
9.5%
10.0%
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
8.5%
9.2%
9.7%
2011: 8.5%
2016: 9.2%
2021: 9.7%
Share of the population aged 65 years and over.
24.5%
▲ +3.5%
Higher than 95% of postcode areas.
23.5%
24.0%
24.5%
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
23.7%
24.3%
24.5%
2011: 23.7%
2016: 24.3%
2021: 24.5%
Share of the population aged under 15 years.
In 3977, VIC, the largest group is Young adults (25–44) at 33%, followed by Children (0–14) (25%) and Older adults (45–64) (21%).
Identity & relationships
First Nations identity and marital status.
About 51% of people are married and 34.8% have never married. The proportion of Aboriginal and Torres Strait Islander people is 0.9%, which is much lower than most similar areas.
0.9%
▲ +15.6%
Lower than 76% of postcode areas.
0.7%
0.8%
0.8%
0.8%
0.9%
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
0.8%
0.7%
0.9%
2011: 0.8%
2016: 0.7%
2021: 0.9%
Share of people who identify as Aboriginal and/or Torres Strait Islander.
10.8%
▼ -4.7%
Lower than 69% of postcode areas.
10.4%
10.6%
10.8%
11.0%
11.2%
11.4%
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
11.3%
10.6%
10.8%
2011: 11.3%
2016: 10.6%
2021: 10.8%
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
In 3977, VIC, Married is the majority at 51%; Never married is next at 35%.
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
5.6k
5.6k
85+: 85+: 437 males; 85+: 714 females
80–84: 80–84: 568 males; 80–84: 726 females
75–79: 75–79: 996 males; 75–79: 1,092 females
70–74: 70–74: 1,424 males; 70–74: 1,717 females
65–69: 65–69: 1,814 males; 65–69: 1,899 females
60–64: 60–64: 2,306 males; 60–64: 2,405 females
55–59: 55–59: 2,861 males; 55–59: 2,839 females
50–54: 50–54: 3,250 males; 50–54: 3,279 females
45–49: 45–49: 3,676 males; 45–49: 3,700 females
40–44: 40–44: 4,565 males; 40–44: 4,254 females
35–39: 35–39: 5,483 males; 35–39: 5,597 females
30–34: 30–34: 4,560 males; 30–34: 5,427 females
25–29: 25–29: 4,046 males; 25–29: 4,216 females
20–24: 20–24: 3,774 males; 20–24: 3,672 females
15–19: 15–19: 3,595 males; 15–19: 3,534 females
10–14: 10–14: 4,509 males; 10–14: 4,123 females
5–9: 5–9: 5,207 males; 5–9: 4,975 females
0–4: 0–4: 5,117 males; 0–4: 4,806 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 3977, VIC [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/poa/POA3977/3977-vic/topic/demographics-identity
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