Colac · Urban Area

Demographics & Identity in Colac

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

Noticeably older residents define Colac, where the typical person is 42, making the area older than most similar places. This community has grown by 9% since 2011 and is now home to 12,756 people.

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📍 Colac, Urban Area

Where Colac sits — Total population

12,756 ▲ +9.0%
  • 1,666–2,215: 1 area
  • 2,215–2,944: 0 areas
  • 2,944–3,914: 0 areas
  • 3,914–5,203: 1 area
  • 5,203–6,917: 0 areas
  • 6,917–9,196: 0 areas
  • 9,196–12,225: 6 areas
  • 12,225–16,252: 16 areas
  • 16,252–21,605: 17 areas
  • 21,605–28,721: 14 areas
  • 28,721–38,182: 7 areas
  • 38,182–50,758: 12 areas
  • 50,758–67,478: 4 areas
  • 67,478–89,704: 6 areas
  • 89,704–119,252: 4 areas
  • 119,252–158,533: 3 areas
  • 158,533–210,752: 2 areas
  • 210,752–280,172: 2 areas
  • 280,172–372,458: 4 areas
  • 372,458–495,142: 2 areas
  • 495,142–658,237: 1 area
  • 658,237–875,054: 3 areas
  • 875,054–1,163,289: 1 area
  • 1,163,289–1,546,466: 1 area
  • 1,546,466–2,055,858: 0 areas
  • 2,055,858–2,733,039: 2 areas
  • 2,733,039–3,633,278: 0 areas
  • 3,633,278–4,830,047: 2 areas

All urban area areas, 2021. The marker is Colac — lower than 88% of areas.

Total population compared with the state and national average
Colac12,756
3250, VIC 12,756
Victoria 6,503,491
Australia 25,422,788

Population

How many people, and the typical age.

The population grew by about 1,058 people since 2011 to reach 12,756. While the typical resident is 42—which is noticeably older than the national figure of 38—this age has actually dropped by two years since 2011.

12,756 ▲ +9.0%

Lower than 88% of urban area areas.

  • 2011: 11,698
  • 2016: 20,424
  • 2021: 12,756

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

42 yrs ▼ -4.5%

Older than 57% of urban area areas.

  • 2011: 44 yrs
  • 2016: 45 yrs
  • 2021: 42 yrs

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

Age profile

How the population splits across age groups.

Seniors make up 24.1% of the population, a figure well above the state and national averages. This trend has grown since 2011, while the proportion of children under 15 has fallen slightly to 17.0%.

24.1% ▲ +16.1%

Higher than 75% of urban area areas.

  • 2011: 20.8%
  • 2016: 24.2%
  • 2021: 24.1%

Share of the population aged 65 years and over.

17.0% ▼ -6.3%

Lower than 73% of urban area areas.

  • 2011: 18.2%
  • 2016: 17.9%
  • 2021: 17.0%

Share of the population aged under 15 years.

Age structure

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Colac splits fairly evenly between Seniors (65+) (24%) and Young adults (25–44) (24%), with Older adults (45–64) at 24%.

Identity & relationships

First Nations identity and marital status.

Aboriginal and Torres Strait Islander people make up 1.5% of the population, which is among the lowest for similar areas. People in de facto relationships now make up 12.3% of the community, up 4.7 points from 2011.

1.5% ▲ +117.6%

Lower than 94% of urban area areas.

  • 2011: 0.7%
  • 2016: 3.1%
  • 2021: 1.5%

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

12.3% ▲ +61.7%

Lower than 61% of urban area areas.

  • 2011: 7.6%
  • 2016: 11.5%
  • 2021: 12.3%

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

Marital status

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In Colac, the largest group is Married at 42%, followed by Never married (37%) and Divorced (10%).

Age & sex structure

  • 85+: 85+: 170 males; 85+: 334 females
  • 80–84: 80–84: 212 males; 80–84: 261 females
  • 75–79: 75–79: 280 males; 75–79: 304 females
  • 70–74: 70–74: 324 males; 70–74: 412 females
  • 65–69: 65–69: 380 males; 65–69: 418 females
  • 60–64: 60–64: 382 males; 60–64: 424 females
  • 55–59: 55–59: 355 males; 55–59: 390 females
  • 50–54: 50–54: 367 males; 50–54: 415 females
  • 45–49: 45–49: 358 males; 45–49: 344 females
  • 40–44: 40–44: 336 males; 40–44: 336 females
  • 35–39: 35–39: 382 males; 35–39: 361 females
  • 30–34: 30–34: 407 males; 30–34: 391 females
  • 25–29: 25–29: 454 males; 25–29: 409 females
  • 20–24: 20–24: 356 males; 20–24: 326 females
  • 15–19: 15–19: 358 males; 15–19: 347 females
  • 10–14: 10–14: 392 males; 10–14: 358 females
  • 5–9: 5–9: 390 males; 5–9: 346 females
  • 0–4: 0–4: 356 males; 0–4: 336 females

Sources

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

More for Colac

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in Colac [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sua/2006/colac/topic/demographics-identity