75,699 ▲ +71.9%
Higher than 93% of postcode areas.
- 2011: 44,028
- 2016: 55,452
- 2021: 75,699
The number of people who usually live in the area, counted on Census night.
2155, NSW · Postcode
Demographics & Identity in 2155, NSW
Who lives here — how many people, how old they are, and how communities identify.
A typical resident in postcode 2155 is just 35, making this area noticeably younger than most of Australia. The population has surged by 72% since 2011, creating a fast-growing community with a very high number of children.
75,699
▲ +71.9%
- 1–2: 1 area
- 2–2: 0 areas
- 2–4: 0 areas
- 4–5: 2 areas
- 5–8: 3 areas
- 8–12: 2 areas
- 12–19: 2 areas
- 19–29: 12 areas
- 29–44: 19 areas
- 44–67: 35 areas
- 67–102: 30 areas
- 102–155: 70 areas
- 155–237: 97 areas
- 237–360: 129 areas
- 360–549: 158 areas
- 549–836: 168 areas
- 836–1,273: 181 areas
- 1,273–1,938: 179 areas
- 1,938–2,951: 157 areas
- 2,951–4,493: 179 areas
- 4,493–6,842: 176 areas
- 6,842–10,418: 210 areas
- 10,418–15,865: 268 areas
- 15,865–24,158: 254 areas
- 24,158–36,786: 182 areas
- 36,786–56,016: 93 areas
- 56,016–85,299: 28 areas
- 85,299–129,888: 8 areas
All postcode areas, 2021. The marker is 2155, NSW — higher than 93% of areas.
| 2155, NSW | 75,699 |
|---|---|
| The Hills Shire | 191,876 |
| New South Wales | 8,072,163 |
| Australia | 25,422,788 |
Population
How many people, and the typical age.
The population grew by 72% since 2011, adding about 31,671 people to reach a total of 75,699. This makes it one of the largest areas at this level.
35 yrs ▲ +6.1%
Younger than 88% of postcode areas.
- 2011: 33 yrs
- 2016: 34 yrs
- 2021: 35 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 23.6% of the population, which is well above the national figure of 18.2%. In contrast, seniors aged 65 and over are much less common here at 9.1%, well below the 17.2% seen across Australia.
9.1% ▲ +54.3%
Lower than 91% of postcode areas.
- 2011: 5.9%
- 2016: 7.6%
- 2021: 9.1%
Share of the population aged 65 years and over.
23.6% ▼ -14.6%
Higher than 92% of postcode areas.
- 2011: 27.7%
- 2016: 25.8%
- 2021: 23.6%
Share of the population aged under 15 years.
Age structure
View on map →In 2155, NSW, the largest group is Young adults (25–44) at 29%, followed by Older adults (45–64) (24%) and Children (0–14) (24%).
Identity & relationships
First Nations identity and marital status.
About 0.7% of residents identify as Aboriginal or Torres Strait Islander, which is a little below the state and national figures. Most people are married (60.9%), while those in de facto relationships are well below the national average at 5.5%.
0.7% ▲ +68.9%
Lower than 80% of postcode areas.
- 2011: 0.4%
- 2016: 0.6%
- 2021: 0.7%
Share of people who identify as Aboriginal and/or Torres Strait Islander.
5.5% ▲ +24.2%
Lower than 97% of postcode areas.
- 2011: 4.4%
- 2016: 5.0%
- 2021: 5.5%
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
Marital status
View on map →In 2155, NSW, Married is the majority at 61%; Never married is next at 29%.
Age & sex structure
Sources
- Census of Population and Housing — Australian Bureau of Statistics, 2021 (CC BY 4.0).
More for 2155, NSW
Cite this page
Australian Bureau of Statistics. (2021). Demographics & Identity in 2155, NSW [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/poa/POA2155/2155-nsw/topic/demographics-identity