Blackburn South · Statistical Area 2 (SA2)

Demographics & Identity in Blackburn South

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

A modest population growth of 3.4% since 2011 has seen Blackburn South become a noticeably older area. The typical resident is now 42, which is older than the national and state figures of 38. This trend is most visible in the high number of seniors living here.

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📍 Blackburn South, Statistical Area 2 (SA2)

Where Blackburn South sits — Total population

10,939 ▲ +3.4%
  • 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 Blackburn South — higher than 58% of areas.

Total population compared with the state and national average
Blackburn South10,939
3130, VIC 33,044
Victoria 6,503,491
Australia 25,422,788

Population

How many people, and the typical age.

The population grew by about 355 people to reach 10,939. Residents are generally older than those in most similar areas, with the typical age rising by one year since 2011.

10,939 ▲ +3.4%

Higher than 58% of statistical area 2 (sa2) areas.

  • 2011: 10,584
  • 2016: 10,793
  • 2021: 10,939

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

42 yrs ▲ +2.4%

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

  • 2011: 41 yrs
  • 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 21.2% of the population, which is well above the 17.2% national figure. This explains why the area's age profile is older than most, while children under 15 remain at about the same level as the state average.

21.2% ▼ -0.9%

Higher than 72% of statistical area 2 (sa2) areas.

  • 2011: 21.4%
  • 2016: 21.2%
  • 2021: 21.2%

Share of the population aged 65 years and over.

17.4% ▼ -5.0%

Lower than 56% of statistical area 2 (sa2) areas.

  • 2011: 18.3%
  • 2016: 18.5%
  • 2021: 17.4%

Share of the population aged under 15 years.

Age structure

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Blackburn South splits fairly evenly between Older adults (45–64) (26%) and Young adults (25–44) (24%), with Seniors (65+) at 21%.

Identity & relationships

First Nations identity and marital status.

Marriage is common here, with 52.3% of residents married, while only 6.0% are in a de facto relationship, a figure well below the national average. People of Aboriginal and Torres Strait Islander descent make up 0.3% of the population.

0.3% ▼ -0.4%

Lower than 95% of statistical area 2 (sa2) areas.

  • 2011: 0.3%
  • 2016: 0.2%
  • 2021: 0.3%

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

6.0% ▲ +2.0%

Lower than 92% of statistical area 2 (sa2) areas.

  • 2011: 5.9%
  • 2016: 6.2%
  • 2021: 6.0%

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

Marital status

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In Blackburn South, Married is the majority at 52%; Never married is next at 31%.

Age & sex structure

  • 85+: 85+: 185 males; 85+: 300 females
  • 80–84: 80–84: 160 males; 80–84: 237 females
  • 75–79: 75–79: 164 males; 75–79: 220 females
  • 70–74: 70–74: 221 males; 70–74: 279 females
  • 65–69: 65–69: 244 males; 65–69: 299 females
  • 60–64: 60–64: 277 males; 60–64: 315 females
  • 55–59: 55–59: 319 males; 55–59: 337 females
  • 50–54: 50–54: 368 males; 50–54: 435 females
  • 45–49: 45–49: 376 males; 45–49: 403 females
  • 40–44: 40–44: 326 males; 40–44: 353 females
  • 35–39: 35–39: 392 males; 35–39: 377 females
  • 30–34: 30–34: 278 males; 30–34: 321 females
  • 25–29: 25–29: 284 males; 25–29: 260 females
  • 20–24: 20–24: 333 males; 20–24: 304 females
  • 15–19: 15–19: 381 males; 15–19: 300 females
  • 10–14: 10–14: 356 males; 10–14: 332 females
  • 5–9: 5–9: 376 males; 5–9: 321 females
  • 0–4: 0–4: 307 males; 0–4: 221 females

Sources

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

More for Blackburn South

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in Blackburn South [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa2/207031162/blackburn-south/topic/demographics-identity