3180, VIC · Postcode

Demographics & Identity in 3180, VIC

Who lives here — how many people, how old they are, and how communities identify.

A typical age of 41 makes postcode 3180 noticeably older than the state and national figures. The area has seen steady growth and an ageing trend, with nearly one in five residents now aged 65 or over. This shift toward an older population is reflected in the overall demographic balance of the community.

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📍 3180, VIC, Postcode

Where 3180, VIC sits — Total population

7,645 ▲ +7.1%
  • 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 3180, VIC — higher than 62% of areas.

Total population compared with the state and national average
3180, VIC7,645
Knox 159,103
Victoria 6,503,491
Australia 25,422,788

Population

How many people, and the typical age.

The population grew by 7.1% since 2011 to reach 7,645 people. This total is larger than about 62% of similar areas.

7,645 ▲ +7.1%

Higher than 62% of postcode areas.

  • 2011: 7,140
  • 2016: 7,462
  • 2021: 7,645

The number of people who usually live in the area, counted on Census night.

41 yrs ▲ +2.5%

Younger than 57% of postcode areas.

  • 2011: 40 yrs
  • 2016: 39 yrs
  • 2021: 41 yrs

Half the population is older than this age, and half younger.

Age profile

How the population splits across age groups.

Seniors aged 65 and over now make up 19.6% of the population, a figure that rose 4.1 points since 2011 and is a little above the national average. Meanwhile, children under 15 have fallen to 16.6%, which is a little below the Victorian figure.

19.6% ▲ +26.1%

Higher than 50% of postcode areas.

  • 2011: 15.6%
  • 2016: 17.9%
  • 2021: 19.6%

Share of the population aged 65 years and over.

16.6% ▼ -7.8%

Lower than 58% of postcode areas.

  • 2011: 18.1%
  • 2016: 17.6%
  • 2021: 16.6%

Share of the population aged under 15 years.

Age structure

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3180, VIC splits fairly evenly between Young adults (25–44) (27%) and Older adults (45–64) (25%), with Seniors (65+) at 20%.

Identity & relationships

First Nations identity and marital status.

Married people make up 52.8% of the area, while those in de facto relationships are much lower than most areas at 8.7%. The Aboriginal and Torres Strait Islander population is 0.4%, which is much lower than most areas.

0.4% ▼ -41.4%

Lower than 88% of postcode areas.

  • 2011: 0.7%
  • 2016: 0.5%
  • 2021: 0.4%

Share of people who identify as Aboriginal and/or Torres Strait Islander.

8.7% ▲ +20.4%

Lower than 85% of postcode areas.

  • 2011: 7.2%
  • 2016: 8.0%
  • 2021: 8.7%

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

Marital status

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In 3180, VIC, Married is the majority at 53%; Never married is next at 31%.

Age & sex structure

  • 85+: 85+: 66 males; 85+: 68 females
  • 80–84: 80–84: 100 males; 80–84: 126 females
  • 75–79: 75–79: 137 males; 75–79: 193 females
  • 70–74: 70–74: 176 males; 70–74: 223 females
  • 65–69: 65–69: 189 males; 65–69: 221 females
  • 60–64: 60–64: 203 males; 60–64: 229 females
  • 55–59: 55–59: 238 males; 55–59: 236 females
  • 50–54: 50–54: 240 males; 50–54: 272 females
  • 45–49: 45–49: 227 males; 45–49: 248 females
  • 40–44: 40–44: 270 males; 40–44: 274 females
  • 35–39: 35–39: 282 males; 35–39: 299 females
  • 30–34: 30–34: 222 males; 30–34: 249 females
  • 25–29: 25–29: 243 males; 25–29: 216 females
  • 20–24: 20–24: 237 males; 20–24: 217 females
  • 15–19: 15–19: 223 males; 15–19: 236 females
  • 10–14: 10–14: 241 males; 10–14: 179 females
  • 5–9: 5–9: 241 males; 5–9: 214 females
  • 0–4: 0–4: 195 males; 0–4: 197 females

Sources

  • Census of Population and Housing — Australian Bureau of Statistics, 2021 (CC BY 4.0).

More for 3180, VIC

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in 3180, VIC [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/poa/POA3180/3180-vic/topic/demographics-identity