Castlemaine · Urban Centre

Demographics & Identity in Castlemaine

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

A far older population than most similar areas defines Castlemaine, where the typical resident is now 50 years old. This age gap is stark compared to the national figure of 38. While the area remains one of the largest in its region, the total number of people has dropped by 11% since 2011.

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📍 Castlemaine, Urban Centre

Where Castlemaine sits — Total population

10,577 ▼ -10.5%
  • 1–2: 3 areas
  • 2–3: 0 areas
  • 3–5: 0 areas
  • 5–9: 0 areas
  • 9–16: 2 areas
  • 16–27: 1 area
  • 27–47: 2 areas
  • 47–81: 2 areas
  • 81–139: 14 areas
  • 139–241: 145 areas
  • 241–418: 340 areas
  • 418–723: 351 areas
  • 723–1,252: 304 areas
  • 1,252–2,168: 191 areas
  • 2,168–3,752: 181 areas
  • 3,752–6,495: 107 areas
  • 6,495–11,242: 69 areas
  • 11,242–19,459: 44 areas
  • 19,459–33,683: 31 areas
  • 33,683–58,304: 17 areas
  • 58,304–100,921: 8 areas
  • 100,921–174,689: 8 areas
  • 174,689–302,378: 4 areas
  • 302,378–523,401: 5 areas
  • 523,401–905,982: 2 areas
  • 905,982–1,568,210: 1 area
  • 1,568,210–2,714,494: 2 areas
  • 2,714,494–4,698,656: 2 areas

All urban centre areas, 2021. The marker is Castlemaine — higher than 86% of areas.

Total population compared with the state and national average
Castlemaine10,577
3450, VIC 7,588
Victoria 6,503,491
Australia 25,422,788

Population

How many people, and the typical age.

The typical person living here is 50, which is far older than the state and national figures. This shift is part of a long-term trend, as the typical age rose by 8 years since 2011.

10,577 ▼ -10.5%

Higher than 86% of urban centre areas.

  • 2011: 11,820
  • 2016: 12,952
  • 2021: 10,577

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

50 yrs ▲ +19.0%

Older than 68% of urban centre areas.

  • 2011: 42 yrs
  • 2016: 44 yrs
  • 2021: 50 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 29.2% of the population, which is far above the national figure. This aging trend is mirrored by a drop in children under 15, who now make up 14.1% of the area, well below the national average.

29.2% ▲ +37.7%

Higher than 73% of urban centre areas.

  • 2011: 21.2%
  • 2016: 25.4%
  • 2021: 29.2%

Share of the population aged 65 years and over.

14.1% ▼ -27.0%

Lower than 76% of urban centre areas.

  • 2011: 19.4%
  • 2016: 17.7%
  • 2021: 14.1%

Share of the population aged under 15 years.

Age structure

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Castlemaine splits fairly evenly between Seniors (65+) (29%) and Older adults (45–64) (27%), with Young adults (25–44) at 22%.

Identity & relationships

First Nations identity and marital status.

People in de facto relationships are more common here than in most other areas, at 15.6%. Meanwhile, the Aboriginal and Torres Strait Islander population fell to 1.3%, which is a little below the Australian figure.

1.3% ▼ -70.2%

Lower than 86% of urban centre areas.

  • 2011: 4.5%
  • 2016: 3.8%
  • 2021: 1.3%

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

15.6% ▲ +44.6%

Higher than 73% of urban centre areas.

  • 2011: 10.8%
  • 2016: 11.4%
  • 2021: 15.6%

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

Marital status

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Castlemaine splits fairly evenly between Married (39%) and Never married (36%), with Divorced at 13%.

Age & sex structure

  • 85+: 85+: 166 males; 85+: 302 females
  • 80–84: 80–84: 180 males; 80–84: 240 females
  • 75–79: 75–79: 240 males; 75–79: 339 females
  • 70–74: 70–74: 352 males; 70–74: 433 females
  • 65–69: 65–69: 390 males; 65–69: 462 females
  • 60–64: 60–64: 379 males; 60–64: 390 females
  • 55–59: 55–59: 329 males; 55–59: 386 females
  • 50–54: 50–54: 351 males; 50–54: 369 females
  • 45–49: 45–49: 339 males; 45–49: 362 females
  • 40–44: 40–44: 336 males; 40–44: 300 females
  • 35–39: 35–39: 327 males; 35–39: 312 females
  • 30–34: 30–34: 325 males; 30–34: 242 females
  • 25–29: 25–29: 265 males; 25–29: 165 females
  • 20–24: 20–24: 194 males; 20–24: 120 females
  • 15–19: 15–19: 251 males; 15–19: 233 females
  • 10–14: 10–14: 298 males; 10–14: 244 females
  • 5–9: 5–9: 253 males; 5–9: 262 females
  • 0–4: 0–4: 238 males; 0–4: 197 females

Sources

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

More for Castlemaine

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in Castlemaine [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/ucl/UCL213002/castlemaine/topic/demographics-identity