Williamstown · Suburb / Locality

Demographics & Identity in Williamstown

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

Over half of the 14,407 people in Williamstown are married, making it one of the largest populations at this level. Residents here are generally older than the national figure, with a typical age of 45. This reflects a community with a significant number of adults in their middle and later years.

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📍 Williamstown, Suburb / Locality

Where Williamstown sits — Total population

14,407 ▲ +9.1%
  • 1–1: 689 areas
  • 1–2: 0 areas
  • 2–3: 119 areas
  • 3–5: 108 areas
  • 5–7: 243 areas
  • 7–11: 241 areas
  • 11–16: 514 areas
  • 16–24: 579 areas
  • 24–36: 898 areas
  • 36–53: 1059 areas
  • 53–79: 1168 areas
  • 79–117: 1203 areas
  • 117–174: 1171 areas
  • 174–258: 1010 areas
  • 258–384: 856 areas
  • 384–571: 670 areas
  • 571–850: 616 areas
  • 850–1,263: 567 areas
  • 1,263–1,879: 520 areas
  • 1,879–2,794: 590 areas
  • 2,794–4,154: 679 areas
  • 4,154–6,177: 585 areas
  • 6,177–9,186: 528 areas
  • 9,186–13,659: 405 areas
  • 13,659–20,311: 195 areas
  • 20,311–30,202: 96 areas
  • 30,202–44,910: 33 areas
  • 44,910–66,781: 10 areas

All suburb / locality areas, 2021. The marker is Williamstown — higher than 88% of areas.

Total population compared with the state and national average
Williamstown14,407
3016, VIC 16,025
Victoria 6,503,491
Australia 25,422,788

Population

How many people, and the typical age.

The typical person living in Williamstown is 45, which is noticeably older than the average for both Victoria and Australia by seven years.

14,407 ▲ +9.1%

Higher than 88% of suburb / locality areas.

  • 2011: 13,203
  • 2016: 13,969
  • 2021: 14,407

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

45 yrs ▲ +9.8%

Older than 50% of suburb / locality areas.

  • 2011: 41 yrs
  • 2016: 42 yrs
  • 2021: 45 yrs

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

Age profile

How the population splits across age groups.

The age profile is balanced, with 18% of the population being children under 15 and 18.2% being seniors. This senior group is a little larger than the state average.

18.2% ▲ +42.3%

Lower than 53% of suburb / locality areas.

  • 2011: 12.8%
  • 2016: 14.7%
  • 2021: 18.2%

Share of the population aged 65 years and over.

18.0% ▼ -13.4%

Higher than 56% of suburb / locality areas.

  • 2011: 20.8%
  • 2016: 19.2%
  • 2021: 18.0%

Share of the population aged under 15 years.

Age structure

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In Williamstown, the largest group is Older adults (45–64) at 33%, followed by Young adults (25–44) (19%) and Seniors (65+) (18%).

Identity & relationships

First Nations identity and marital status.

Most people are married (52%), while those in de facto relationships make up 9.9%, which is a little below the national figure. Aboriginal and Torres Strait Islander people account for 0.7% of the population.

0.7% ▲ +68.9%

Lower than 64% of suburb / locality areas.

  • 2011: 0.4%
  • 2016: 0.5%
  • 2021: 0.7%

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

9.9% ▲ +18.6%

Lower than 69% of suburb / locality areas.

  • 2011: 8.3%
  • 2016: 9.6%
  • 2021: 9.9%

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

Marital status

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In Williamstown, Married is the majority at 52%; Never married is next at 32%.

Age & sex structure

  • 85+: 85+: 102 males; 85+: 172 females
  • 80–84: 80–84: 126 males; 80–84: 156 females
  • 75–79: 75–79: 211 males; 75–79: 239 females
  • 70–74: 70–74: 363 males; 70–74: 384 females
  • 65–69: 65–69: 446 males; 65–69: 425 females
  • 60–64: 60–64: 506 males; 60–64: 547 females
  • 55–59: 55–59: 628 males; 55–59: 616 females
  • 50–54: 50–54: 604 males; 50–54: 680 females
  • 45–49: 45–49: 506 males; 45–49: 619 females
  • 40–44: 40–44: 457 males; 40–44: 527 females
  • 35–39: 35–39: 329 males; 35–39: 396 females
  • 30–34: 30–34: 256 males; 30–34: 326 females
  • 25–29: 25–29: 242 males; 25–29: 255 females
  • 20–24: 20–24: 419 males; 20–24: 350 females
  • 15–19: 15–19: 512 males; 15–19: 421 females
  • 10–14: 10–14: 604 males; 10–14: 531 females
  • 5–9: 5–9: 450 males; 5–9: 444 females
  • 0–4: 0–4: 306 males; 0–4: 261 females

Sources

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

More for Williamstown

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in Williamstown [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sal/SAL22792/williamstown/topic/demographics-identity