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LEARN MORE ABOUT .idIn 2021, the largest age group in Mernda was 35 to 39 year olds. The group that changed the most since 2011 was 35 to 39 year olds, increasing by 1,103 people.
The Age Structure of Mernda provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Mernda'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 Mernda'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 | |||||||
|---|---|---|---|---|---|---|---|
| Mernda - Total females (Usual residence) | 2021 | 2011 | Change | ||||
| Five year age groups (years) | Number | % | City of Whittlesea % | Number | % | City of Whittlesea % | 2011 to 2021 |
| 0 to 4 | 1,146 | 8.5 | 6.8 | 470 | 10.9 | 7.1 | +675 |
| 5 to 9 | 1,293 | 9.6 | 7.3 | 348 | 8.1 | 6.7 | +944 |
| 10 to 14 | 975 | 7.3 | 6.2 | 259 | 6.0 | 6.3 | +715 |
| 15 to 19 | 723 | 5.4 | 5.5 | 224 | 5.2 | 6.4 | +499 |
| 20 to 24 | 717 | 5.3 | 6.0 | 297 | 6.9 | 7.0 | +420 |
| 25 to 29 | 863 | 6.4 | 7.0 | 574 | 13.3 | 8.3 | +289 |
| 30 to 34 | 1,363 | 10.2 | 8.7 | 537 | 12.4 | 8.0 | +826 |
| 35 to 39 | 1,547 | 11.5 | 8.9 | 444 | 10.3 | 7.8 | +1,103 |
| 40 to 44 | 1,181 | 8.8 | 7.2 | 325 | 7.5 | 7.5 | +855 |
| 45 to 49 | 855 | 6.4 | 6.4 | 234 | 5.4 | 6.9 | +621 |
| 50 to 54 | 673 | 5.0 | 5.9 | 224 | 5.2 | 6.4 | +448 |
| 55 to 59 | 512 | 3.8 | 5.3 | 164 | 3.8 | 5.5 | +347 |
| 60 to 64 | 496 | 3.7 | 5.0 | 97 | 2.3 | 4.8 | +399 |
| 65 to 69 | 381 | 2.8 | 4.3 | 64 | 1.5 | 3.5 | +317 |
| 70 to 74 | 336 | 2.5 | 3.6 | 28 | 0.7 | 2.8 | +307 |
| 75 to 79 | 186 | 1.4 | 2.4 | 16 | 0.4 | 2.2 | +170 |
| 80 to 84 | 109 | 0.8 | 1.7 | 4 | 0.1 | 1.5 | +105 |
| 85 and over | 51 | 0.4 | 1.7 | 9 | 0.2 | 1.2 | +42 |
| Total population | 13,407 | 100.0 | 100.0 | 4,325 | 100.0 | 100.0 | +9,082 |
Dominant groups
Analysis of the female five year age groups of Mernda in 2021 compared to the City of Whittlesea 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, 25.5% of the female population was aged between 0 and 15, and 7.9% were aged 65 years and over, compared with 20.4% and 13.8% respectively for the City of Whittlesea.
The major differences between the female age structure of Mernda and the City of Whittlesea were:
- A larger percentage of females aged 35 to 39 (11.5% compared to 8.9%)
- A larger percentage of females aged 5 to 9 (9.6% compared to 7.3%)
- A larger percentage of females aged 0 to 4 (8.5% compared to 6.8%)
- A larger percentage of females aged 40 to 44 (8.8% compared to 7.2%)
Emerging groups
From 2011 to 2021, Mernda's female population increased by 9,082 people (210.0%). This represents an average annual population change of 11.98% per year over the period.
The largest changes in female age structure in this area between 2011 and 2021 were in the age groups:
- 35 to 39 (+1,103 females)
- 5 to 9 (+944 females)
- 40 to 44 (+855 females)
- 30 to 34 (+826 females)
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