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Demographics & Identity
Mount Crosby · Suburb / Locality
👥 Demographics & Identity in Mount Crosby
Who lives here — how many people, how old they are, and how communities identify.
A high number of children and a small senior population shape daily life in Mount Crosby. The area is home to 1,860 people, with a notable 20.9% of residents being children under 15.
Part of
Postcode 4306, QLD
LGA Brisbane
Capital Greater Brisbane
State Queensland
Open map →
📍 Mount Crosby, Suburb / Locality
Where Mount Crosby sits — Total population
?
1,860
▲ +7.6%
1
10
100
1.0k
10k
67k
1–1: 689 areas
1–2: 0 areas
2–3: 119 areas
3–5: 108 areas
5–7: 243 areas
7–11: 241 areas
11–16: 514 areas
16–24: 579 areas
24–36: 898 areas
36–53: 1059 areas
53–79: 1168 areas
79–117: 1203 areas
117–174: 1171 areas
174–258: 1010 areas
258–384: 856 areas
384–571: 670 areas
571–850: 616 areas
850–1,263: 567 areas
1,263–1,879: 520 areas
1,879–2,794: 590 areas
2,794–4,154: 679 areas
4,154–6,177: 585 areas
6,177–9,186: 528 areas
9,186–13,659: 405 areas
13,659–20,311: 195 areas
20,311–30,202: 96 areas
30,202–44,910: 33 areas
44,910–66,781: 10 areas
All suburb / locality areas, 2021. The marker is Mount Crosby — higher than 77% of areas.
Population
How many people, and the typical age.
The typical resident is 42 years old, which is noticeably older than the national and state figure of 38 years.
1,860
▲ +7.6%
Higher than 77% of suburb / locality areas.
1.7k
1.8k
1.8k
1.9k
1.9k
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
1,728
1,832
1,860
2011: 1,728
2016: 1,832
2021: 1,860
The number of people who usually live in the area, counted on Census night.
42 yrs
▲ +13.5%
Younger than 62% of suburb / locality areas.
36
38
40
42
44
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
37 yrs
39 yrs
42 yrs
2011: 37 yrs
2016: 39 yrs
2021: 42 yrs
Half the population is older than this age, and half younger.
Age profile
How the population splits across age groups.
Families with children are common here, as the proportion of those under 15 is much higher than most similar areas. Conversely, people aged 65 and over make up only 11.8% of the population, which is well below the Queensland figure of 17.0%.
11.8%
▲ +121.3%
Lower than 78% of suburb / locality areas.
4.0%
6.0%
8.0%
10.0%
12.0%
14.0%
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
5.3%
7.7%
11.8%
2011: 5.3%
2016: 7.7%
2021: 11.8%
Share of the population aged 65 years and over.
20.9%
▼ -24.5%
Higher than 75% of suburb / locality areas.
20.0%
22.0%
24.0%
26.0%
28.0%
30.0%
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
27.7%
25.2%
20.9%
2011: 27.7%
2016: 25.2%
2021: 20.9%
Share of the population aged under 15 years.
In Mount Crosby, the largest group is Older adults (45–64) at 34%, followed by Children (0–14) (21%) and Young adults (25–44) (19%).
Identity & relationships
First Nations identity and marital status.
Most residents are married, accounting for 57.8% of the population. People in de facto relationships make up 10.2%, which is a little below the 11.5% national figure.
1.3%
▼ -14.2%
Lower than 57% of suburb / locality areas.
1.1%
1.2%
1.3%
1.4%
1.5%
1.6%
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
1.5%
1.2%
1.3%
2011: 1.5%
2016: 1.2%
2021: 1.3%
Share of people who identify as Aboriginal and/or Torres Strait Islander.
10.2%
▲ +12.9%
Lower than 66% of suburb / locality areas.
9.0%
10.0%
11.0%
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
9.0%
10.8%
10.2%
2011: 9.0%
2016: 10.8%
2021: 10.2%
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
In Mount Crosby, Married is the majority at 58%; Never married is next at 30%.
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
112
112
85+: 85+: 12 males; 85+: 3 females
80–84: 80–84: 9 males; 80–84: 3 females
75–79: 75–79: 23 males; 75–79: 19 females
70–74: 70–74: 28 males; 70–74: 32 females
65–69: 65–69: 40 males; 65–69: 49 females
60–64: 60–64: 55 males; 60–64: 57 females
55–59: 55–59: 89 males; 55–59: 69 females
50–54: 50–54: 87 males; 50–54: 112 females
45–49: 45–49: 97 males; 45–49: 82 females
40–44: 40–44: 68 males; 40–44: 79 females
35–39: 35–39: 50 males; 35–39: 58 females
30–34: 30–34: 20 males; 30–34: 32 females
25–29: 25–29: 19 males; 25–29: 23 females
20–24: 20–24: 42 males; 20–24: 40 females
15–19: 15–19: 95 males; 15–19: 89 females
10–14: 10–14: 100 males; 10–14: 88 females
5–9: 5–9: 59 males; 5–9: 56 females
0–4: 0–4: 42 males; 0–4: 44 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 Mount Crosby [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sal/SAL31953/mount-crosby/topic/demographics-identity
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