Powered by .id (informed decisions) for Mount Barker District Council
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LEARN MORE ABOUT .idIn 2021, the largest age group in the Mount Barker District Council was 50 to 54 year olds. The group that changed the most since 2011 was 70 to 74 year olds, increasing by 1,154 people.
The Age Structure of the Mount Barker District Council provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of the Mount Barker District Council'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 the Mount Barker District Council'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 Barker District Council - Total persons (Usual residence) | 2021 | 2011 | Change | ||||
| Five year age groups (years) | Number | % | Nairne and District % | Number | % | Nairne and District % | 2011 to 2021 |
| 0 to 4 | 2,494 | 6.4 | 7.4 | 2,124 | 7.1 | 8.5 | +370 |
| 5 to 9 | 2,516 | 6.4 | 7.3 | 2,128 | 7.1 | 8.0 | +388 |
| 10 to 14 | 2,646 | 6.7 | 7.0 | 2,262 | 7.6 | 7.7 | +384 |
| 15 to 19 | 2,339 | 6.0 | 5.8 | 2,066 | 6.9 | 7.0 | +273 |
| 20 to 24 | 2,277 | 5.8 | 5.8 | 1,648 | 5.5 | 6.3 | +629 |
| 25 to 29 | 2,417 | 6.2 | 6.8 | 1,573 | 5.3 | 5.8 | +844 |
| 30 to 34 | 2,494 | 6.4 | 7.1 | 1,655 | 5.6 | 6.8 | +839 |
| 35 to 39 | 2,635 | 6.7 | 7.1 | 2,209 | 7.4 | 8.9 | +426 |
| 40 to 44 | 2,417 | 6.2 | 6.0 | 2,371 | 8.0 | 8.9 | +46 |
| 45 to 49 | 2,617 | 6.7 | 7.2 | 2,266 | 7.6 | 7.5 | +351 |
| 50 to 54 | 2,680 | 6.8 | 7.2 | 2,154 | 7.2 | 6.5 | +526 |
| 55 to 59 | 2,431 | 6.2 | 6.8 | 1,921 | 6.5 | 5.3 | +510 |
| 60 to 64 | 2,309 | 5.9 | 5.5 | 1,767 | 5.9 | 5.0 | +542 |
| 65 to 69 | 2,198 | 5.6 | 4.9 | 1,296 | 4.4 | 3.9 | +902 |
| 70 to 74 | 1,959 | 5.0 | 4.6 | 805 | 2.7 | 2.1 | +1,154 |
| 75 to 79 | 1,303 | 3.3 | 2.2 | 581 | 2.0 | 0.6 | +722 |
| 80 to 84 | 746 | 1.9 | 1.0 | 472 | 1.6 | 0.8 | +274 |
| 85 and over | 740 | 1.9 | 0.6 | 466 | 1.6 | 0.3 | +274 |
| Total population | 39,218 | 100.0 | 100.0 | 29,764 | 100.0 | 100.0 | +9,454 |
Dominant groups
Analysis of the five year age groups of the Mount Barker District Council in 2021 compared to Nairne and District shows that there was a lower proportion of people in the younger age groups (under 15) and a higher proportion of people in the older age groups (65+).
Overall, 19.5% of the population was aged between 0 and 15, and 17.7% were aged 65 years and over, compared with 21.6% and 13.2% respectively for Nairne and District.
The major differences between the age structure of the Mount Barker District Council and Nairne and District were:
- A larger percentage of persons aged 85 and over (1.9% compared to 0.6%)
- A larger percentage of persons aged 75 to 79 (3.3% compared to 2.2%)
- A larger percentage of persons aged 80 to 84 (1.9% compared to 1.0%)
- A smaller percentage of persons aged 0 to 4 (6.4% compared to 7.4%)
Emerging groups
From 2011 to 2021, Mount Barker District Council's population increased by 9,454 people (31.8%). This represents an average annual population change of 2.8% per year over the period.
The largest changes in age structure in this area between 2011 and 2021 were in the age groups:
- 70 to 74 (+1,154 persons)
- 65 to 69 (+902 persons)
- 25 to 29 (+844 persons)
- 30 to 34 (+839 persons)
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