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Demographics & Identity
4105, QLD · Postcode
👥 Demographics & Identity in 4105, QLD
Who lives here — how many people, how old they are, and how communities identify.
Growth has been steady in postcode 4105, where the population rose by 8.5% since 2011 to reach 13,929 people. This is a notably young area, with a typical resident aged 36 and a very low proportion of seniors compared to the national figure.
Part of
LGA Brisbane
Capital Greater Brisbane
State Queensland
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📍 4105, QLD, Postcode
Where 4105, QLD sits — Total population
?
13,929
▲ +8.5%
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 4105, QLD — higher than 74% of areas.
Total population compared with the state and national average
4105, QLD 13,929
Brisbane
1,242,825
Queensland
5,156,138
Australia
25,422,788
Population
How many people, and the typical age.
The population has grown by about 1,097 people over the last decade. Residents here are generally younger than those in most other similar areas.
13,929
▲ +8.5%
Higher than 74% of postcode areas.
13k
13k
14k
14k
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
12,832
13,321
13,929
2011: 12,832
2016: 13,321
2021: 13,929
The number of people who usually live in the area, counted on Census night.
36 yrs
▲ +2.9%
Younger than 86% of postcode areas.
35
36
36
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
35 yrs
35 yrs
36 yrs
2011: 35 yrs
2016: 35 yrs
2021: 36 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 only 12.5% of the population, which is well below the national figure of 17.2%. Young adults aged 25 to 44 are the largest group, accounting for 34.2% of residents.
12.5%
▲ +8.2%
Lower than 85% of postcode areas.
11.5%
12.0%
12.5%
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
11.6%
11.6%
12.5%
2011: 11.6%
2016: 11.6%
2021: 12.5%
Share of the population aged 65 years and over.
17.1%
▼ -0.7%
Lower than 53% of postcode areas.
17.0%
17.1%
17.2%
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
17.2%
17.0%
17.1%
2011: 17.2%
2016: 17.0%
2021: 17.1%
Share of the population aged under 15 years.
In 4105, QLD, the largest group is Young adults (25–44) at 34%, followed by Older adults (45–64) (24%) and Children (0–14) (17%).
Identity & relationships
First Nations identity and marital status.
De facto relationships are much more common here than in most areas, rising to 15.5% since 2011. About 1.8% of the population identify as Aboriginal and Torres Strait Islander, which is a little below the state figure.
1.8%
▲ +57.4%
Lower than 57% of postcode areas.
1.0%
1.2%
1.4%
1.6%
1.8%
2.0%
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
1.1%
1.1%
1.8%
2011: 1.1%
2016: 1.1%
2021: 1.8%
Share of people who identify as Aboriginal and/or Torres Strait Islander.
15.5%
▲ +30.7%
Higher than 79% of postcode areas.
12.0%
14.0%
16.0%
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
11.9%
13.8%
15.5%
2011: 11.9%
2016: 13.8%
2021: 15.5%
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
4105, QLD splits fairly evenly between Never married (44%) and Married (41%), with Divorced at 9%.
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
674
674
85+: 85+: 76 males; 85+: 135 females
80–84: 80–84: 93 males; 80–84: 120 females
75–79: 75–79: 155 males; 75–79: 166 females
70–74: 70–74: 222 males; 70–74: 266 females
65–69: 65–69: 254 males; 65–69: 261 females
60–64: 60–64: 331 males; 60–64: 363 females
55–59: 55–59: 411 males; 55–59: 383 females
50–54: 50–54: 479 males; 50–54: 443 females
45–49: 45–49: 459 males; 45–49: 490 females
40–44: 40–44: 514 males; 40–44: 548 females
35–39: 35–39: 572 males; 35–39: 590 females
30–34: 30–34: 652 males; 30–34: 674 females
25–29: 25–29: 591 males; 25–29: 613 females
20–24: 20–24: 493 males; 20–24: 563 females
15–19: 15–19: 302 males; 15–19: 323 females
10–14: 10–14: 388 males; 10–14: 349 females
5–9: 5–9: 433 males; 5–9: 387 females
0–4: 0–4: 415 males; 0–4: 398 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 4105, QLD [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/poa/POA4105/4105-qld/topic/demographics-identity
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