Seabrook · Statistical Area 2 (SA2)

Demographics & Identity in Seabrook

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

Well above the state average for children is Seabrook, where 21.1% of the population are under 15. This creates a notably young feel for the area, with a typical resident aged 37. The total population has remained steady at 4,952 people since 2011.

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📍 Seabrook, Statistical Area 2 (SA2)

Where Seabrook sits — Total population

4,952 ▼ -0.4%
  • 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 Seabrook — lower than 78% of areas.

Total population compared with the state and national average
Seabrook4,952
3028, VIC 28,191
Victoria 6,503,491
Australia 25,422,788

Population

How many people, and the typical age.

The typical person here is 37, making the area a little younger than the national figure of 38. This age has risen by 2 years since the 2011 census.

4,952 ▼ -0.4%

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

  • 2011: 4,972
  • 2016: 5,124
  • 2021: 4,952

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

37 yrs ▲ +5.7%

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

  • 2011: 35 yrs
  • 2016: 35 yrs
  • 2021: 37 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 21.1% of the population, which is well above the Victorian figure of 18%. Meanwhile, seniors aged 65 and over are much less common here than in most areas, sitting well below the national rate at 11.2%.

11.2% ▲ +65.6%

Lower than 81% of statistical area 2 (sa2) areas.

  • 2011: 6.8%
  • 2016: 8.3%
  • 2021: 11.2%

Share of the population aged 65 years and over.

21.1% ▼ -9.1%

Higher than 79% of statistical area 2 (sa2) areas.

  • 2011: 23.2%
  • 2016: 22.2%
  • 2021: 21.1%

Share of the population aged under 15 years.

Age structure

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Seabrook splits fairly evenly between Young adults (25–44) (30%) and Older adults (45–64) (27%), with Children (0–14) at 21%.

Identity & relationships

First Nations identity and marital status.

Marital status is dominated by married couples at 55.1%, while those in de facto relationships are well below the national figure at 8.1%. Only 0.7% of residents identify as Aboriginal or Torres Strait Islander, which is about the same as the Victorian average.

0.7% ▲ +29.0%

Lower than 81% of statistical area 2 (sa2) areas.

  • 2011: 0.6%
  • 2016: 0.7%
  • 2021: 0.7%

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

8.1% ▼ -3.1%

Lower than 83% of statistical area 2 (sa2) areas.

  • 2011: 8.4%
  • 2016: 8.9%
  • 2021: 8.1%

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

Marital status

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In Seabrook, Married is the majority at 55%; Never married is next at 32%.

Age & sex structure

  • 85+: 85+: 15 males; 85+: 24 females
  • 80–84: 80–84: 39 males; 80–84: 30 females
  • 75–79: 75–79: 42 males; 75–79: 53 females
  • 70–74: 70–74: 67 males; 70–74: 73 females
  • 65–69: 65–69: 108 males; 65–69: 102 females
  • 60–64: 60–64: 137 males; 60–64: 150 females
  • 55–59: 55–59: 171 males; 55–59: 189 females
  • 50–54: 50–54: 159 males; 50–54: 180 females
  • 45–49: 45–49: 175 males; 45–49: 180 females
  • 40–44: 40–44: 186 males; 40–44: 153 females
  • 35–39: 35–39: 228 males; 35–39: 256 females
  • 30–34: 30–34: 162 males; 30–34: 195 females
  • 25–29: 25–29: 141 males; 25–29: 138 females
  • 20–24: 20–24: 133 males; 20–24: 115 females
  • 15–19: 15–19: 145 males; 15–19: 155 females
  • 10–14: 10–14: 164 males; 10–14: 165 females
  • 5–9: 5–9: 205 males; 5–9: 194 females
  • 0–4: 0–4: 163 males; 0–4: 152 females

Sources

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

More for Seabrook

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in Seabrook [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa2/213021345/seabrook/topic/demographics-identity