Colac · Statistical Area 2 (SA2)

Demographics & Identity in Colac

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

A typical resident in Colac is 42, making the area noticeably older than both Victoria and Australia. This gap is driven by a high proportion of seniors, who now make up nearly a quarter of the population. The community has grown since 2016, adding about 506 people to reach a total of 12,756.

Open map →
📍 Colac, Statistical Area 2 (SA2)

Where Colac sits — Total population

12,756
  • 1–1: 40 areas
  • 1–2: 0 areas
  • 2–3: 0 areas
  • 3–4: 12 areas
  • 4–6: 6 areas
  • 6–9: 9 areas
  • 9–13: 10 areas
  • 13–19: 7 areas
  • 19–27: 17 areas
  • 27–39: 6 areas
  • 39–56: 5 areas
  • 56–81: 4 areas
  • 81–116: 1 area
  • 116–168: 5 areas
  • 168–242: 3 areas
  • 242–349: 4 areas
  • 349–503: 2 areas
  • 503–725: 9 areas
  • 725–1,045: 3 areas
  • 1,045–1,506: 5 areas
  • 1,506–2,171: 31 areas
  • 2,171–3,130: 83 areas
  • 3,130–4,513: 217 areas
  • 4,513–6,507: 318 areas
  • 6,507–9,382: 402 areas
  • 9,382–13,526: 546 areas
  • 13,526–19,501: 496 areas
  • 19,501–28,116: 231 areas

All statistical area 2 (sa2) areas, 2021. The marker is Colac — higher than 66% 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 of 12,756 is larger than about 67% of similar areas. The typical age of 42 has remained steady since 2016, staying 4 years older than the state and national figures.

12,756

Higher than 66% of statistical area 2 (sa2) areas.

  • 2016: 12,250
  • 2021: 12,756

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

42 yrs

Older than 64% of statistical area 2 (sa2) areas.

  • 2016: 42 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 aged 65 and over make up 24.1% of the population, which is well above the national figure of 17.2%. This rise in older residents is mirrored by a small drop in children under 15, who now make up 17.0% of the area.

24.1%

Higher than 83% of statistical area 2 (sa2) areas.

  • 2016: 22.0%
  • 2021: 24.1%

Share of the population aged 65 years and over.

17.0%

Lower than 60% of statistical area 2 (sa2) areas.

  • 2016: 18.1%
  • 2021: 17.0%

Share of the population aged under 15 years.

Age structure

View on map →

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.

People in de facto relationships make up 12.3% of the community, a small increase since 2016. Around 1.5% of residents identify as Aboriginal or Torres Strait Islander, which is about the same as the Victorian average.

12.3%

Higher than 54% of statistical area 2 (sa2) areas.

  • 2016: 10.6%
  • 2021: 12.3%

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

Marital status

View on map →

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/sa2/217031472/colac/topic/demographics-identity