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Demographics & Identity
2159, NSW · Postcode
👥 Demographics & Identity in 2159, NSW
Who lives here — how many people, how old they are, and how communities identify.
A noticeably older population shapes daily life in postcode 2159, where the typical resident is 46. This is far older than the national figure of 38, contributing to a community that has aged by four years since 2011.
Part of
LGA Hornsby
Capital Greater Sydney
State New South Wales
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📍 2159, NSW, Postcode
Where 2159, NSW sits — Total population
?
5,148
▲ +13.1%
1
10
100
1.0k
10k
100k
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 2159, NSW — higher than 55% of areas.
Population
How many people, and the typical age.
The total population grew by 13% since 2011 to reach 5,148 people. This is larger than about 56% of similar areas.
5,148
▲ +13.1%
Higher than 55% of postcode areas.
4.4k
4.6k
4.8k
5.0k
5.2k
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
4,550
4,975
5,148
2011: 4,550
2016: 4,975
2021: 5,148
The number of people who usually live in the area, counted on Census night.
46 yrs
▲ +9.5%
Older than 67% of postcode areas.
42
44
46
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
42 yrs
44 yrs
46 yrs
2011: 42 yrs
2016: 44 yrs
2021: 46 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 23.1% of the area, which is well above the national figure of 17.2%. In contrast, the 17.2% of children under 15 is about the same as the state and national averages.
23.1%
▲ +33.2%
Higher than 68% of postcode areas.
16.0%
18.0%
20.0%
22.0%
24.0%
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
17.3%
20.9%
23.1%
2011: 17.3%
2016: 20.9%
2021: 23.1%
Share of the population aged 65 years and over.
17.2%
▼ -9.3%
Lower than 51% of postcode areas.
17.0%
18.0%
19.0%
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
19.0%
19.1%
17.2%
2011: 19.0%
2016: 19.1%
2021: 17.2%
Share of the population aged under 15 years.
In 2159, NSW, the largest group is Older adults (45–64) at 29%, followed by Seniors (65+) (23%) and Young adults (25–44) (18%).
Identity & relationships
First Nations identity and marital status.
Marriage is common here at 56.1%, while those in de facto relationships make up 6.7%, a figure well below the national average of 11.5%. Aboriginal and Torres Strait Islander people account for 1.1%, which is a little below the New South Wales figure.
1.1%
▲ +189.7%
Lower than 70% of postcode areas.
0.2%
0.4%
0.6%
0.8%
1.0%
1.2%
1.4%
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
0.4%
0.7%
1.1%
2011: 0.4%
2016: 0.7%
2021: 1.1%
Share of people who identify as Aboriginal and/or Torres Strait Islander.
6.7%
▲ +40.7%
Lower than 92% of postcode areas.
5.0%
6.0%
7.0%
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
4.8%
6.5%
6.7%
2011: 4.8%
2016: 6.5%
2021: 6.7%
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
In 2159, NSW, Married is the majority at 56%; Never married is next at 28%.
Age & sex structure
Males
Females
85+
80–84
75–79
70–74
65–69
60–64
55–59
50–54
45–49
40–44
35–39
30–34
25–29
20–24
15–19
10–14
5–9
0–4
200
200
85+: 85+: 60 males; 85+: 117 females
80–84: 80–84: 84 males; 80–84: 88 females
75–79: 75–79: 125 males; 75–79: 121 females
70–74: 70–74: 147 males; 70–74: 140 females
65–69: 65–69: 143 males; 65–69: 165 females
60–64: 60–64: 182 males; 60–64: 184 females
55–59: 55–59: 184 males; 55–59: 194 females
50–54: 50–54: 179 males; 50–54: 193 females
45–49: 45–49: 170 males; 45–49: 197 females
40–44: 40–44: 129 males; 40–44: 151 females
35–39: 35–39: 121 males; 35–39: 119 females
30–34: 30–34: 108 males; 30–34: 113 females
25–29: 25–29: 109 males; 25–29: 107 females
20–24: 20–24: 135 males; 20–24: 115 females
15–19: 15–19: 200 males; 15–19: 193 females
10–14: 10–14: 198 males; 10–14: 185 females
5–9: 5–9: 162 males; 5–9: 126 females
0–4: 0–4: 118 males; 0–4: 97 females
Sources
Census of Population and Housing — Australian Bureau of Statistics, 2021 (CC BY 4.0 ).
Cite this page
Australian Bureau of Statistics. (2021). Demographics & Identity in 2159, NSW [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/poa/POA2159/2159-nsw/topic/demographics-identity
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