562 ▼ -31.6%
Lower than 63% of urban centre areas.
- 2011: 822
- 2016: 574
- 2021: 562
The number of people who usually live in the area, counted on Census night.
Sea Lake · Urban Centre
Demographics & Identity in Sea Lake
Who lives here — how many people, how old they are, and how communities identify.
Far older residents than most similar areas define Sea Lake (L), where the typical person is now 52. This aging trend is stark, with the typical age climbing 15 years since 2011 while the total population shrank by about 32% to 562 people.
562
▼ -31.6%
- 1–2: 3 areas
- 2–3: 0 areas
- 3–5: 0 areas
- 5–9: 0 areas
- 9–16: 2 areas
- 16–27: 1 area
- 27–47: 2 areas
- 47–81: 2 areas
- 81–139: 14 areas
- 139–241: 145 areas
- 241–418: 340 areas
- 418–723: 351 areas
- 723–1,252: 304 areas
- 1,252–2,168: 191 areas
- 2,168–3,752: 181 areas
- 3,752–6,495: 107 areas
- 6,495–11,242: 69 areas
- 11,242–19,459: 44 areas
- 19,459–33,683: 31 areas
- 33,683–58,304: 17 areas
- 58,304–100,921: 8 areas
- 100,921–174,689: 8 areas
- 174,689–302,378: 4 areas
- 302,378–523,401: 5 areas
- 523,401–905,982: 2 areas
- 905,982–1,568,210: 1 area
- 1,568,210–2,714,494: 2 areas
- 2,714,494–4,698,656: 2 areas
All urban centre areas, 2021. The marker is Sea Lake — lower than 63% of areas.
Population
How many people, and the typical age.
The typical resident is 52, which is far older than the national figure of 38. This shift is significant, as the typical age was only 37 back in 2011.
52 yrs ▲ +40.5%
Older than 74% of urban centre areas.
- 2011: 37 yrs
- 2016: 53 yrs
- 2021: 52 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 27.6% of the population, a figure far above the 17.2% national average. This is a major increase from 2011, while the proportion of children under 15 has barely changed and remains well below the national figure.
27.6% ▲ +273.5%
Higher than 68% of urban centre areas.
- 2011: 7.4%
- 2016: 30.1%
- 2021: 27.6%
Share of the population aged 65 years and over.
15.1% ▲ +3.2%
Lower than 70% of urban centre areas.
- 2011: 14.6%
- 2016: 15.0%
- 2021: 15.1%
Share of the population aged under 15 years.
Age structure
View on map →Sea Lake splits fairly evenly between Older adults (45–64) (29%) and Seniors (65+) (28%), with Young adults (25–44) at 17%.
Identity & relationships
First Nations identity and marital status.
De facto relationships are much more common here than in most areas, at 16.6%, which is well above the national figure of 11.5%. Meanwhile, the Aboriginal and Torres Strait Islander population is 2.0%, which is about the same as the Victorian average.
2.0% ▼ -10.9%
Lower than 78% of urban centre areas.
- 2011: 2.2%
- 2016: 1.0%
- 2021: 2.0%
Share of people who identify as Aboriginal and/or Torres Strait Islander.
16.6% ▲ +59.8%
Higher than 79% of urban centre areas.
- 2011: 10.4%
- 2016: 7.9%
- 2021: 16.6%
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
Marital status
View on map →In Sea Lake, the largest group is Married at 41%, followed by Never married (30%) and Divorced (16%).
Age & sex structure
Sources
- Census of Population and Housing — Australian Bureau of Statistics, 2021 (CC BY 4.0).
More for Sea Lake
Cite this page
Australian Bureau of Statistics. (2021). Demographics & Identity in Sea Lake [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/ucl/UCL221063/sea-lake/topic/demographics-identity