Powered by .id (informed decisions) for City of Brimbank
.id community is an evidence base for over 250 local government areas in Australia and New Zealand, helping you make informed decisions.
LEARN MORE ABOUT .idIn 2021, the largest age group in Derrimut was 35 to 39 year olds. The group that changed the most since 1991 was 35 to 39 year olds, increasing by 518 people.
The Age Structure of Derrimut provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Derrimut's residential role and function and how it is likely to change in the future.
Five year age groups present a classic age profile of the population. Each age group covers exactly five years, which enables direct comparison between each group.
To get a more complete picture Derrimut's Age Structure should be viewed in conjunction with Household Types and Dwelling Types.
Q:
Derived from the Census question:
'What is the person's date of birth or age?'
| Age structure - Five year age groups | |||||||
|---|---|---|---|---|---|---|---|
| Derrimut - Total females (Enumerated) | 2021 | 1991 | Change | ||||
| Five year age groups (years) | Number | % | City of Brimbank % | Number | % | City of Brimbank % | 1991 to 2021 |
| 0 to 4 | 341 | 8.0 | 5.4 | 0 | 6.2 | 7.9 | +341 |
| 5 to 9 | 453 | 10.6 | 5.8 | 0 | 9.9 | 8.2 | +453 |
| 10 to 14 | 399 | 9.3 | 5.5 | 0 | 6.2 | 8.7 | +399 |
| 15 to 19 | 280 | 6.5 | 5.7 | 0 | 13.8 | 9.0 | +279 |
| 20 to 24 | 220 | 5.1 | 6.5 | 0 | 8.4 | 8.6 | +220 |
| 25 to 29 | 251 | 5.9 | 7.5 | 0 | 6.7 | 8.2 | +251 |
| 30 to 34 | 312 | 7.3 | 7.6 | 0 | 9.6 | 8.6 | +312 |
| 35 to 39 | 518 | 12.1 | 7.2 | 0 | 5.9 | 8.6 | +518 |
| 40 to 44 | 426 | 10.0 | 6.4 | 0 | 11.1 | 8.3 | +426 |
| 45 to 49 | 325 | 7.6 | 6.5 | 0 | 7.9 | 5.8 | +325 |
| 50 to 54 | 224 | 5.2 | 6.6 | 0 | 7.1 | 4.5 | +224 |
| 55 to 59 | 153 | 3.6 | 6.0 | 0 | 3.4 | 3.7 | +153 |
| 60 to 64 | 142 | 3.3 | 6.0 | 0 | 2.5 | 3.3 | +142 |
| 65 to 69 | 113 | 2.6 | 5.3 | 0 | 0.7 | 2.9 | +113 |
| 70 to 74 | 51 | 1.2 | 4.4 | 0 | 0.7 | 1.7 | +51 |
| 75 to 79 | 43 | 1.0 | 3.1 | 0 | -- | 1.1 | +43 |
| 80 to 84 | 18 | 0.4 | 2.1 | 0 | -- | 0.5 | +18 |
| 85 and over | 9 | 0.2 | 2.3 | 0 | -- | 0.4 | +9 |
| Total population | 4,278 | 100.0 | 100.0 | 4 | 100.0 | 100.0 | +4,274 |
Dominant groups
Analysis of the female five year age groups of Derrimut in 2021 compared to the City of Brimbank shows that there was a higher proportion of females in the younger age groups (under 15) and a lower proportion of females in the older age groups (65+).
Overall, 27.9% of the female population was aged between 0 and 15, and 5.5% were aged 65 years and over, compared with 16.8% and 17.2% respectively for the City of Brimbank.
The major differences between the female age structure of Derrimut and the City of Brimbank were:
- A larger percentage of females aged 35 to 39 (12.1% compared to 7.2%)
- A larger percentage of females aged 5 to 9 (10.6% compared to 5.8%)
- A larger percentage of females aged 10 to 14 (9.3% compared to 5.5%)
- A larger percentage of females aged 40 to 44 (10.0% compared to 6.4%)
Emerging groups
From 1991 to 2021, Derrimut's female population increased by 4,274 people (106850.0%). This represents an average annual population change of 26.17% per year over the period.
The largest changes in female age structure in this area between 1991 and 2021 were in the age groups:
- 35 to 39 (+518 females)
- 5 to 9 (+453 females)
- 40 to 44 (+426 females)
- 10 to 14 (+399 females)
DISCLAIMER: While all due care has been taken to ensure that the content of this website is accurate and current, there may be errors or omissions in it and no legal responsibility is accepted for the information and opinions in this website.
Please view our Privacy Policy, Terms of use and Legal notices.
ABS Data and the copyright in the ABS Data remains the property of the Australian Bureau of Statistics. The copyright in the way .id has modified, transformed or reconfigured the ABS Data as published on this website remains the property of .id. ABS Data can be accessed from the Australian Bureau of Statistics at www.abs.gov.au. ABS data can be used under license - terms published on ABS website. intermediary.management@abs.gov.au if you have any queries or wish to distribute any ABS data.