1,011 ▼ -1.4%
Higher than 73% of suburb / locality areas.
- 2011: 1,025
- 2016: 1,007
- 2021: 1,011
The number of people who usually live in the area, counted on Census night.
Seaham · Suburb / Locality
Who lives here — how many people, how old they are, and how communities identify.
A growing population of 1,011 people now lives in Seaham, where families with children are more common than in most similar areas. The community is notably younger than the state and national averages for seniors, with a strong presence of older adults and children.
All suburb / locality areas, 2021. The marker is Seaham — higher than 73% of areas.
| Seaham | 1,011 |
|---|---|
| 2324, NSW | 25,443 |
| New South Wales | 8,072,163 |
| Australia | 25,422,788 |
How many people, and the typical age.
The typical resident is 41 years old, which is a little older than the New South Wales figure of 39. Seaham is larger than about 74% of similar areas.
1,011 ▼ -1.4%
Higher than 73% of suburb / locality areas.
The number of people who usually live in the area, counted on Census night.
41 yrs ▲ +7.9%
Younger than 67% of suburb / locality areas.
Half the population is older than this age, and half younger.
How the population splits across age groups.
Children under 15 make up 19.9% of the population, which is a little above the national figure of 18.2%. This helps explain why the area has fewer seniors, with those aged 65 and over at 13.8%, well below the 17.2% seen across Australia.
13.8% ▲ +77.6%
Lower than 72% of suburb / locality areas.
Share of the population aged 65 years and over.
19.9% ▼ -22.1%
Higher than 69% of suburb / locality areas.
Share of the population aged under 15 years.
In Seaham, the largest group is Older adults (45–64) at 33%, followed by Children (0–14) (20%) and Young adults (25–44) (18%).
First Nations identity and marital status.
Aboriginal and Torres Strait Islander people make up 4.4% of the population, which is higher than most similar areas. Most residents are married at 56.7%, while those in de facto relationships sit at 10.2%, a little below the national figure.
4.4% ▲ +135.0%
Higher than 70% of suburb / locality areas.
Share of people who identify as Aboriginal and/or Torres Strait Islander.
10.2% ▲ +56.7%
Lower than 66% of suburb / locality areas.
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
In Seaham, Married is the majority at 57%; Never married is next at 31%.
Australian Bureau of Statistics. (2021). Demographics & Identity in Seaham [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sal/SAL13525/seaham/topic/demographics-identity