Wonthaggi - Inverloch · Statistical Area 2 (SA2)

Demographics & Identity in Wonthaggi - Inverloch

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

A typical resident in Wonthaggi - Inverloch is 51, making it one of the oldest areas in the region. This older profile is shaped by a very large number of seniors and a shrinking proportion of children. Despite this, the population has grown by 34% since 2011 to reach 26,792 people.

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📍 Wonthaggi - Inverloch, Statistical Area 2 (SA2)

Where Wonthaggi - Inverloch sits — Total population

26,792 ▲ +33.7%
  • 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 Wonthaggi - Inverloch — higher than 98% of areas.

Total population compared with the state and national average
Wonthaggi - Inverloch26,792
3992, VIC 1,281
Victoria 6,503,491
Australia 25,422,788

Population

How many people, and the typical age.

The area is among the largest of its kind, adding about 6,760 people since 2011. Residents are far older than the national and state figures, with the typical age rising by 4 years over the last decade.

26,792 ▲ +33.7%

Higher than 98% of statistical area 2 (sa2) areas.

  • 2011: 20,032
  • 2016: 22,228
  • 2021: 26,792

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

51 yrs ▲ +8.5%

Older than 91% of statistical area 2 (sa2) areas.

  • 2011: 47 yrs
  • 2016: 50 yrs
  • 2021: 51 yrs

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

Age profile

How the population splits across age groups.

Seniors make up nearly 30% of the population, a figure far above the 17.2% national average. This shift toward an older community is mirrored by a drop in children under 15, who now make up 15.1% of the area.

29.7% ▲ +22.9%

Higher than 94% of statistical area 2 (sa2) areas.

  • 2011: 24.2%
  • 2016: 27.9%
  • 2021: 29.7%

Share of the population aged 65 years and over.

15.1% ▼ -11.2%

Lower than 78% of statistical area 2 (sa2) areas.

  • 2011: 17.0%
  • 2016: 16.1%
  • 2021: 15.1%

Share of the population aged under 15 years.

Age structure

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Wonthaggi - Inverloch splits fairly evenly between Seniors (65+) (30%) and Older adults (45–64) (28%), with Young adults (25–44) at 19%.

Identity & relationships

First Nations identity and marital status.

Most people are married (48.1%) or have never married (29.2%), while those in de facto relationships are a little more common here than across Australia. Aboriginal and Torres Strait Islander people make up 1.2% of the population.

1.2% ▲ +50.5%

Lower than 67% of statistical area 2 (sa2) areas.

  • 2011: 0.8%
  • 2016: 1.0%
  • 2021: 1.2%

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

12.7% ▲ +27.9%

Higher than 59% of statistical area 2 (sa2) areas.

  • 2011: 10.0%
  • 2016: 10.9%
  • 2021: 12.7%

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

Marital status

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In Wonthaggi - Inverloch, the largest group is Married at 48%, followed by Never married (29%) and Divorced (12%).

Age & sex structure

  • 85+: 85+: 354 males; 85+: 477 females
  • 80–84: 80–84: 458 males; 80–84: 477 females
  • 75–79: 75–79: 740 males; 75–79: 788 females
  • 70–74: 70–74: 1,093 males; 70–74: 1,102 females
  • 65–69: 65–69: 1,200 males; 65–69: 1,287 females
  • 60–64: 60–64: 1,092 males; 60–64: 1,214 females
  • 55–59: 55–59: 903 males; 55–59: 1,040 females
  • 50–54: 50–54: 833 males; 50–54: 860 females
  • 45–49: 45–49: 712 males; 45–49: 750 females
  • 40–44: 40–44: 654 males; 40–44: 693 females
  • 35–39: 35–39: 674 males; 35–39: 755 females
  • 30–34: 30–34: 584 males; 30–34: 689 females
  • 25–29: 25–29: 545 males; 25–29: 566 females
  • 20–24: 20–24: 525 males; 20–24: 464 females
  • 15–19: 15–19: 637 males; 15–19: 592 females
  • 10–14: 10–14: 730 males; 10–14: 719 females
  • 5–9: 5–9: 709 males; 5–9: 660 females
  • 0–4: 0–4: 625 males; 0–4: 599 females

Sources

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

More for Wonthaggi - Inverloch

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in Wonthaggi - Inverloch [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa2/205031093/wonthaggi-inverloch/topic/demographics-identity