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.

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📍 3177, VIC, Postcode

Where 3177, VIC sits — Total population

11,889 ▲ +15.9%
  • 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, VIC11,889
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.

  • 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.

  • 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.

  • 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.

  • 2011: 20.1%
  • 2016: 19.3%
  • 2021: 19.6%

Share of the population aged under 15 years.

Age structure

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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.

  • 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.

  • 2011: 5.5%
  • 2016: 5.9%
  • 2021: 6.0%

Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).

Marital status

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In 3177, VIC, the largest group is Married at 45%, followed by Never married (36%) and Divorced (9%).

Age & sex structure

  • 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).

More for 3177, VIC

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