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Demographics & Identity
3177, VIC · Postcode
👥 Demographics & Identity in 3177, VIC
Who lives here — how many people, how old they are, and how communities identify.
Much younger residents than most similar areas define postcode 3177, where the typical person is just 34. This is a growing community that has added over 1,600 people since 2011, resulting in a population of 11,889.
Part of
LGA Casey
Capital Greater Melbourne
State Victoria
Open map →
📍 3177, VIC, Postcode
Where 3177, VIC sits — Total population
?
11,889
▲ +15.9%
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 3177, VIC — higher than 71% of areas.
Total population compared with the state and national average
3177, VIC 11,889
Casey
365,239
Victoria
6,503,491
Australia
25,422,788
Population
How many people, and the typical age.
The population grew 16% since 2011, making it larger than about 71% of similar areas. Residents are noticeably younger than the national figure of 38 years.
11,889
▲ +15.9%
Higher than 71% of postcode areas.
10k
11k
11k
12k
12k
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
10,255
11,306
11,889
2011: 10,255
2016: 11,306
2021: 11,889
The number of people who usually live in the area, counted on Census night.
34 yrs
▼ -2.9%
Younger than 90% of postcode areas.
34
35
35
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
35 yrs
34 yrs
34 yrs
2011: 35 yrs
2016: 34 yrs
2021: 34 yrs
Half the population is older than this age, and half younger.
Age profile
How the population splits across age groups.
A higher-than-average 19.6% of people are children under 15, while the proportion of seniors is well below the national figure. Young adults aged 25 to 44 make up the largest group at 34.1%.
13.7%
▼ -7.7%
Lower than 80% of postcode areas.
13.5%
14.0%
14.5%
15.0%
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
14.8%
14.6%
13.7%
2011: 14.8%
2016: 14.6%
2021: 13.7%
Share of the population aged 65 years and over.
19.6%
▼ -2.5%
Higher than 74% of postcode areas.
19.2%
19.4%
19.6%
19.8%
20.0%
20.2%
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
20.1%
19.3%
19.6%
2011: 20.1%
2016: 19.3%
2021: 19.6%
Share of the population aged under 15 years.
In 3177, VIC, the largest group is Young adults (25–44) at 34%, followed by Older adults (45–64) (21%) and Children (0–14) (20%).
Identity & relationships
First Nations identity and marital status.
People in de facto relationships make up only 6.0% of the population, which is well below the national figure. Aboriginal and Torres Strait Islander people account for 1.0%, about the same as the state average.
1.0%
▼ -42.0%
Lower than 74% of postcode areas.
0.8%
1.0%
1.2%
1.4%
1.6%
1.8%
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
1.6%
1.1%
1.0%
2011: 1.6%
2016: 1.1%
2021: 1.0%
Share of people who identify as Aboriginal and/or Torres Strait Islander.
6.0%
▲ +7.8%
Lower than 95% of postcode areas.
5.4%
5.6%
5.8%
6.0%
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
5.5%
5.9%
6.0%
2011: 5.5%
2016: 5.9%
2021: 6.0%
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
In 3177, VIC, the largest group is Married at 45%, followed by Never married (36%) and Divorced (9%).
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
641
641
85+: 85+: 58 males; 85+: 142 females
80–84: 80–84: 96 males; 80–84: 127 females
75–79: 75–79: 140 males; 75–79: 156 females
70–74: 70–74: 192 males; 70–74: 210 females
65–69: 65–69: 237 males; 65–69: 255 females
60–64: 60–64: 287 males; 60–64: 299 females
55–59: 55–59: 297 males; 55–59: 273 females
50–54: 50–54: 325 males; 50–54: 261 females
45–49: 45–49: 392 males; 45–49: 308 females
40–44: 40–44: 439 males; 40–44: 372 females
35–39: 35–39: 574 males; 35–39: 408 females
30–34: 30–34: 641 males; 30–34: 520 females
25–29: 25–29: 631 males; 25–29: 482 females
20–24: 20–24: 422 males; 20–24: 355 females
15–19: 15–19: 336 males; 15–19: 331 females
10–14: 10–14: 373 males; 10–14: 351 females
5–9: 5–9: 359 males; 5–9: 346 females
0–4: 0–4: 447 males; 0–4: 450 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 3177, VIC [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/poa/POA3177/3177-vic/topic/demographics-identity
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