45,837 ▲ +25.9%
Lower than 65% of sub-region (sa3) areas.
- 2011: 36,402
- 2016: 41,152
- 2021: 45,837
The number of people who usually live in the area, counted on Census night.
Wollondilly · Sub-region (SA3)
Demographics & Identity in Wollondilly
Who lives here — how many people, how old they are, and how communities identify.
Over 21% of people in Wollondilly are children under 15, a figure well above the national average. This makes it a notably young area where the population has grown by 26% since 2011 to reach 45,837 people. The typical resident is 37 years old, which is a little younger than the typical person in Australia.
45,837
▲ +25.9%
- 1–2: 3 areas
- 2–2: 0 areas
- 2–4: 0 areas
- 4–6: 0 areas
- 6–9: 2 areas
- 9–15: 2 areas
- 15–23: 1 area
- 23–37: 0 areas
- 37–57: 1 area
- 57–90: 0 areas
- 90–141: 1 area
- 141–221: 1 area
- 221–347: 1 area
- 347–545: 2 areas
- 545–854: 3 areas
- 854–1,340: 0 areas
- 1,340–2,101: 3 areas
- 2,101–3,296: 1 area
- 3,296–5,169: 2 areas
- 5,169–8,107: 3 areas
- 8,107–12,714: 7 areas
- 12,714–19,940: 16 areas
- 19,940–31,273: 30 areas
- 31,273–49,048: 61 areas
- 49,048–76,924: 90 areas
- 76,924–120,643: 70 areas
- 120,643–189,211: 46 areas
- 189,211–296,748: 12 areas
All sub-region (sa3) areas, 2021. The marker is Wollondilly — lower than 65% of areas.
| Wollondilly | 45,837 |
|---|---|
| Greater Sydney | 5,231,147 |
| New South Wales | 8,072,163 |
| Australia | 25,422,788 |
Population
How many people, and the typical age.
The total population grew by 26% since 2011, adding about 9,435 people. This area is smaller than about 64% of similar areas, and the typical age of residents has barely changed over the last decade.
37 yrs → 0.0%
Younger than 71% of sub-region (sa3) areas.
- 2011: 37 yrs
- 2016: 37 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 21.6% of the population, which is much higher than most areas. While the proportion of seniors aged 65 and over is a little below the national figure, this group rose by 4.6 percentage points since 2011.
16.0% ▲ +40.0%
Lower than 61% of sub-region (sa3) areas.
- 2011: 11.4%
- 2016: 14.0%
- 2021: 16.0%
Share of the population aged 65 years and over.
21.6% ▼ -4.7%
Higher than 87% of sub-region (sa3) areas.
- 2011: 22.7%
- 2016: 21.8%
- 2021: 21.6%
Share of the population aged under 15 years.
Age structure
View on map →Wollondilly splits fairly evenly between Older adults (45–64) (25%) and Young adults (25–44) (25%), with Children (0–14) at 22%.
Identity & relationships
First Nations identity and marital status.
Aboriginal and Torres Strait Islander people make up 4.4% of the population, which is higher than most areas. More than half of residents are married, while those in de facto relationships rose to 11.8% since 2011.
4.4% ▲ +79.0%
Higher than 68% of sub-region (sa3) areas.
- 2011: 2.4%
- 2016: 3.2%
- 2021: 4.4%
Share of people who identify as Aboriginal and/or Torres Strait Islander.
11.8% ▲ +32.8%
Lower than 59% of sub-region (sa3) areas.
- 2011: 8.9%
- 2016: 10.2%
- 2021: 11.8%
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
Marital status
View on map →In Wollondilly, Married is the majority at 52%; Never married is next at 33%.
Age & sex structure
Sources
- Census of Population and Housing — Australian Bureau of Statistics, 2021 (CC BY 4.0).
More for Wollondilly
Cite this page
Australian Bureau of Statistics. (2021). Demographics & Identity in Wollondilly [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa3/12303/wollondilly/topic/demographics-identity