Castlemaine · Statistical Area 2 (SA2)

Demographics & Identity in Castlemaine

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

Population growth and a shifting age profile have defined Castlemaine since 2011, with the area adding about 1,619 people over the decade. It is now a far older community than the national average, with the typical resident aged 50.

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📍 Castlemaine, Statistical Area 2 (SA2)

Where Castlemaine sits — Total population

11,352 ▲ +16.6%
  • 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 Castlemaine — higher than 60% of areas.

Total population compared with the state and national average
Castlemaine11,352
3450, VIC 7,588
Victoria 6,503,491
Australia 25,422,788

Population

How many people, and the typical age.

The population grew by 17% between 2011 and 2021 to reach 11,352 people. Residents are far older than those in Victoria and Australia, with the typical age rising 4 years since 2011.

11,352 ▲ +16.6%

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

  • 2011: 9,733
  • 2016: 10,583
  • 2021: 11,352

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

50 yrs ▲ +8.7%

Older than 90% of statistical area 2 (sa2) areas.

  • 2011: 46 yrs
  • 2016: 47 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 area, a figure far above the national average. This older profile is mirrored by a low number of children under 15, who make up 14.2% of the population.

29.2% ▲ +30.6%

Higher than 93% of statistical area 2 (sa2) areas.

  • 2011: 22.4%
  • 2016: 24.5%
  • 2021: 29.2%

Share of the population aged 65 years and over.

14.2% ▼ -14.5%

Lower than 85% of statistical area 2 (sa2) areas.

  • 2011: 16.6%
  • 2016: 15.1%
  • 2021: 14.2%

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) (28%), with Young adults (25–44) at 21%.

Identity & relationships

First Nations identity and marital status.

People in de facto relationships account for 15.9% of the community, which is well above the figures for Victoria and Australia. Aboriginal and Torres Strait Islander people make up 1.3% of the population, remaining steady since 2011.

1.3% ▲ +2.5%

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

  • 2011: 1.3%
  • 2016: 1.3%
  • 2021: 1.3%

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

15.9% ▲ +35.9%

Higher than 86% of statistical area 2 (sa2) areas.

  • 2011: 11.7%
  • 2016: 13.5%
  • 2021: 15.9%

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 (40%) and Never married (36%), with Divorced at 13%.

Age & sex structure

  • 85+: 85+: 168 males; 85+: 302 females
  • 80–84: 80–84: 199 males; 80–84: 249 females
  • 75–79: 75–79: 257 males; 75–79: 358 females
  • 70–74: 70–74: 377 males; 70–74: 456 females
  • 65–69: 65–69: 442 males; 65–69: 509 females
  • 60–64: 60–64: 420 males; 60–64: 429 females
  • 55–59: 55–59: 352 males; 55–59: 428 females
  • 50–54: 50–54: 385 males; 50–54: 395 females
  • 45–49: 45–49: 360 males; 45–49: 389 females
  • 40–44: 40–44: 348 males; 40–44: 329 females
  • 35–39: 35–39: 361 males; 35–39: 330 females
  • 30–34: 30–34: 338 males; 30–34: 258 females
  • 25–29: 25–29: 275 males; 25–29: 179 females
  • 20–24: 20–24: 202 males; 20–24: 128 females
  • 15–19: 15–19: 260 males; 15–19: 245 females
  • 10–14: 10–14: 313 males; 10–14: 268 females
  • 5–9: 5–9: 277 males; 5–9: 282 females
  • 0–4: 0–4: 260 males; 0–4: 216 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/sa2/202021027/castlemaine/topic/demographics-identity