Two Rocks · Suburb / Locality

Demographics & Identity in Two Rocks

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

The population of Two Rocks has grown to 3,822 people, making it larger than about 87% of similar areas. It is now a place where children are much more common than in most other parts of the country. This shift has created a community with a younger feel compared to many nearby suburbs.

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📍 Two Rocks, Suburb / Locality

Where Two Rocks sits — Total population

3,822 ▲ +70.5%
  • 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 Two Rocks — higher than 86% of areas.

Total population compared with the state and national average
Two Rocks3,822
6037, WA 3,822
Western Australia 2,660,026
Australia 25,422,788

Population

How many people, and the typical age.

The typical resident is 39 years old, which is a little older than the state and national figure of 38 years. This age is lower than most other areas of this size.

3,822 ▲ +70.5%

Higher than 86% of suburb / locality areas.

  • 2011: 2,242
  • 2016: 2,990
  • 2021: 3,822

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

39 yrs ▼ -2.5%

Younger than 74% of suburb / locality areas.

  • 2011: 40 yrs
  • 2016: 39 yrs
  • 2021: 39 yrs

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

Age profile

How the population splits across age groups.

Children under 15 make up 23.1% of the population, which is well above the 18.2% national average. Seniors aged 65 and over are less common here at 14.7%, a figure a little below both the state and national averages.

14.7% ▼ -11.9%

Lower than 68% of suburb / locality areas.

  • 2011: 16.7%
  • 2016: 15.9%
  • 2021: 14.7%

Share of the population aged 65 years and over.

23.1% ▲ +8.5%

Higher than 84% of suburb / locality areas.

  • 2011: 21.2%
  • 2016: 21.0%
  • 2021: 23.1%

Share of the population aged under 15 years.

Age structure

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Two Rocks splits fairly evenly between Older adults (45–64) (28%) and Young adults (25–44) (24%), with Children (0–14) at 23%.

Identity & relationships

First Nations identity and marital status.

Aboriginal and Torres Strait Islander people make up 4.7% of the community, which is a little above the national figure. De facto relationships are also much more common than in most areas, at 16.2% compared to 11.5% across Australia.

4.7% ▲ +79.0%

Higher than 72% of suburb / locality areas.

  • 2011: 2.6%
  • 2016: 2.2%
  • 2021: 4.7%

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

16.2% ▲ +9.8%

Higher than 76% of suburb / locality areas.

  • 2011: 14.7%
  • 2016: 13.3%
  • 2021: 16.2%

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

Marital status

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In Two Rocks, the largest group is Married at 47%, followed by Never married (35%) and Divorced (9%).

Age & sex structure

  • 85+: 85+: 17 males; 85+: 16 females
  • 80–84: 80–84: 35 males; 80–84: 40 females
  • 75–79: 75–79: 59 males; 75–79: 42 females
  • 70–74: 70–74: 92 males; 70–74: 79 females
  • 65–69: 65–69: 91 males; 65–69: 95 females
  • 60–64: 60–64: 136 males; 60–64: 130 females
  • 55–59: 55–59: 135 males; 55–59: 115 females
  • 50–54: 50–54: 162 males; 50–54: 155 females
  • 45–49: 45–49: 131 males; 45–49: 120 females
  • 40–44: 40–44: 113 males; 40–44: 127 females
  • 35–39: 35–39: 108 males; 35–39: 129 females
  • 30–34: 30–34: 131 males; 30–34: 118 females
  • 25–29: 25–29: 90 males; 25–29: 101 females
  • 20–24: 20–24: 88 males; 20–24: 83 females
  • 15–19: 15–19: 115 males; 15–19: 86 females
  • 10–14: 10–14: 160 males; 10–14: 149 females
  • 5–9: 5–9: 154 males; 5–9: 161 females
  • 0–4: 0–4: 151 males; 0–4: 104 females

Sources

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

More for Two Rocks

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in Two Rocks [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sal/SAL51475/two-rocks/topic/demographics-identity