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Demographics & Identity
3804, VIC · Postcode
👥 Demographics & Identity in 3804, VIC
Who lives here — how many people, how old they are, and how communities identify.
A typical resident in postcode 3804 is 42, making the area noticeably older than the national figure. The population has grown by 26% since 2011 to reach 8,466 people. This growth is happening alongside an ageing trend, as the usual age has risen by two years over the last decade.
Part of
LGA Casey
Capital Greater Melbourne
State Victoria
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📍 3804, VIC, Postcode
Where 3804, VIC sits — Total population
?
8,466
▲ +26.3%
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 3804, VIC — higher than 64% of areas.
Total population compared with the state and national average
3804, VIC 8,466
Casey
365,239
Victoria
6,503,491
Australia
25,422,788
Population
How many people, and the typical age.
The total population grew to 8,466 people, an increase of 1,762 since 2011. This makes the area larger than about 64% of similar areas.
8,466
▲ +26.3%
Higher than 64% of postcode areas.
6.5k
7.0k
7.5k
8.0k
8.5k
9.0k
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
6,704
8,094
8,466
2011: 6,704
2016: 8,094
2021: 8,466
The number of people who usually live in the area, counted on Census night.
42 yrs
▲ +5.0%
Younger than 52% of postcode areas.
39
40
41
42
43
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
40 yrs
41 yrs
42 yrs
2011: 40 yrs
2016: 41 yrs
2021: 42 yrs
Half the population is older than this age, and half younger.
Age profile
How the population splits across age groups.
Adults aged 45 to 64 make up the largest group at 30.6%. While the proportion of children under 15 fell to 17.5% since 2011, the share of seniors aged 65 and over rose by 5.1 points to 16.6%.
16.6%
▲ +43.6%
Lower than 67% of postcode areas.
10.0%
12.0%
14.0%
16.0%
18.0%
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
11.6%
13.6%
16.6%
2011: 11.6%
2016: 13.6%
2021: 16.6%
Share of the population aged 65 years and over.
17.5%
▼ -13.3%
Higher than 52% of postcode areas.
17.0%
18.0%
19.0%
20.0%
21.0%
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
20.2%
17.9%
17.5%
2011: 20.2%
2016: 17.9%
2021: 17.5%
Share of the population aged under 15 years.
In 3804, VIC, the largest group is Older adults (45–64) at 31%, followed by Young adults (25–44) (19%) and Children (0–14) (17%).
Identity & relationships
First Nations identity and marital status.
Married people make up 59.1% of the area, while those in de facto relationships are at 5.3%, which is well below the national figure. Aboriginal and Torres Strait Islander people represent 0.4% of the population.
0.4%
▲ +54.2%
Lower than 88% of postcode areas.
0.2%
0.3%
0.4%
0.5%
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
0.3%
0.3%
0.4%
2011: 0.3%
2016: 0.3%
2021: 0.4%
Share of people who identify as Aboriginal and/or Torres Strait Islander.
5.3%
▲ +14.6%
Lower than 97% of postcode areas.
4.4%
4.6%
4.8%
5.0%
5.2%
5.4%
5.6%
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
4.7%
5.3%
5.3%
2011: 4.7%
2016: 5.3%
2021: 5.3%
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
In 3804, VIC, Married is the majority at 59%; Never married is next at 30%.
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
368
368
85+: 85+: 77 males; 85+: 118 females
80–84: 80–84: 58 males; 80–84: 85 females
75–79: 75–79: 118 males; 75–79: 126 females
70–74: 70–74: 199 males; 70–74: 159 females
65–69: 65–69: 238 males; 65–69: 237 females
60–64: 60–64: 317 males; 60–64: 291 females
55–59: 55–59: 323 males; 55–59: 338 females
50–54: 50–54: 359 males; 50–54: 368 females
45–49: 45–49: 269 males; 45–49: 318 females
40–44: 40–44: 231 males; 40–44: 255 females
35–39: 35–39: 181 males; 35–39: 207 females
30–34: 30–34: 189 males; 30–34: 169 females
25–29: 25–29: 220 males; 25–29: 206 females
20–24: 20–24: 355 males; 20–24: 318 females
15–19: 15–19: 338 males; 15–19: 331 females
10–14: 10–14: 331 males; 10–14: 287 females
5–9: 5–9: 266 males; 5–9: 240 females
0–4: 0–4: 171 males; 0–4: 184 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 3804, VIC [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/poa/POA3804/3804-vic/topic/demographics-identity
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