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LEARN MORE ABOUT .idIn 2021, the largest age group in Mount Martha was 50 to 54 year olds. The group that changed the most since 1991 was 50 to 54 year olds, increasing by 690 people.
The Age Structure of Mount Martha provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Mount Martha'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 Mount Martha'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 | |||||||
|---|---|---|---|---|---|---|---|
| Mount Martha - Total females (Enumerated) | 2021 | 1991 | Change | ||||
| Five year age groups (years) | Number | % | Mornington % | Number | % | Mornington % | 1991 to 2021 |
| 0 to 4 | 459 | 4.5 | 4.1 | 299 | 7.8 | 6.2 | +160 |
| 5 to 9 | 664 | 6.5 | 4.4 | 302 | 7.9 | 6.3 | +361 |
| 10 to 14 | 749 | 7.4 | 5.3 | 287 | 7.5 | 6.2 | +462 |
| 15 to 19 | 663 | 6.5 | 4.8 | 235 | 6.2 | 7.1 | +427 |
| 20 to 24 | 423 | 4.2 | 4.2 | 170 | 4.4 | 7.0 | +253 |
| 25 to 29 | 255 | 2.5 | 3.4 | 220 | 5.8 | 7.1 | +34 |
| 30 to 34 | 337 | 3.3 | 4.4 | 341 | 8.9 | 6.6 | -4 |
| 35 to 39 | 553 | 5.4 | 5.2 | 310 | 8.1 | 6.4 | +242 |
| 40 to 44 | 668 | 6.6 | 5.4 | 298 | 7.8 | 7.1 | +369 |
| 45 to 49 | 804 | 7.9 | 6.7 | 219 | 5.7 | 5.9 | +585 |
| 50 to 54 | 835 | 8.2 | 6.9 | 144 | 3.8 | 4.4 | +690 |
| 55 to 59 | 630 | 6.2 | 6.1 | 175 | 4.6 | 3.8 | +454 |
| 60 to 64 | 648 | 6.4 | 5.9 | 217 | 5.7 | 5.0 | +430 |
| 65 to 69 | 586 | 5.8 | 6.7 | 183 | 4.8 | 5.8 | +402 |
| 70 to 74 | 687 | 6.8 | 7.9 | 170 | 4.5 | 5.3 | +516 |
| 75 to 79 | 511 | 5.0 | 7.2 | 96 | 2.5 | 4.6 | +415 |
| 80 to 84 | 332 | 3.3 | 5.2 | 77 | 2.0 | 3.2 | +255 |
| 85 and over | 350 | 3.4 | 6.2 | 72 | 1.9 | 1.9 | +278 |
| Total population | 10,154 | 100.0 | 100.0 | 3,825 | 100.0 | 100.0 | +6,328 |
Dominant groups
Analysis of the female five year age groups of Mount Martha in 2021 compared to Mornington 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, 18.4% of the female population was aged between 0 and 15, and 24.3% were aged 65 years and over, compared with 13.8% and 33.2% respectively for Mornington.
The major differences between the female age structure of Mount Martha and Mornington were:
- A larger percentage of females aged 5 to 9 (6.5% compared to 4.4%)
- A larger percentage of females aged 10 to 14 (7.4% compared to 5.3%)
- A smaller percentage of females aged 85 and over (3.4% compared to 6.2%)
- A smaller percentage of females aged 75 to 79 (5.0% compared to 7.2%)
Emerging groups
From 1991 to 2021, Mount Martha's female population increased by 6,329 people (165.5%). This represents an average annual population change of 3.31% per year over the period.
The largest changes in female age structure in this area between 1991 and 2021 were in the age groups:
- 50 to 54 (+690 females)
- 45 to 49 (+585 females)
- 70 to 74 (+516 females)
- 10 to 14 (+462 females)
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