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LEARN MORE ABOUT .idIn 2021, the largest age group in Mountain Creek was 10 to 14 year olds. The group that changed the most since 1996 was 10 to 14 year olds, increasing by 759 people.
The Age Structure of Mountain Creek provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Mountain Creek'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 Mountain Creek'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 | |||||||
|---|---|---|---|---|---|---|---|
| Mountain Creek - Total persons (Enumerated) | 2021 | 1996 | Change | ||||
| Five year age groups (years) | Number | % | Bli Bli - Rosemount and District % | Number | % | Bli Bli - Rosemount and District % | 1996 to 2021 |
| 0 to 4 | 676 | 5.8 | 6.4 | 221 | 6.4 | 7.4 | +455 |
| 5 to 9 | 918 | 7.8 | 6.9 | 313 | 9.0 | 9.6 | +604 |
| 10 to 14 | 1,078 | 9.2 | 6.6 | 318 | 9.2 | 8.8 | +759 |
| 15 to 19 | 894 | 7.6 | 5.3 | 252 | 7.3 | 6.1 | +641 |
| 20 to 24 | 634 | 5.4 | 4.0 | 198 | 5.7 | 5.4 | +436 |
| 25 to 29 | 640 | 5.5 | 4.1 | 193 | 5.6 | 5.9 | +446 |
| 30 to 34 | 747 | 6.4 | 6.2 | 232 | 6.7 | 7.4 | +515 |
| 35 to 39 | 906 | 7.7 | 6.9 | 304 | 8.7 | 8.3 | +602 |
| 40 to 44 | 887 | 7.6 | 6.3 | 294 | 8.5 | 8.1 | +592 |
| 45 to 49 | 979 | 8.4 | 6.3 | 294 | 8.5 | 6.5 | +684 |
| 50 to 54 | 831 | 7.1 | 6.0 | 213 | 6.1 | 5.6 | +618 |
| 55 to 59 | 662 | 5.7 | 6.0 | 121 | 3.5 | 4.9 | +541 |
| 60 to 64 | 576 | 4.9 | 5.8 | 150 | 4.3 | 4.2 | +426 |
| 65 to 69 | 448 | 3.8 | 6.0 | 172 | 5.0 | 3.9 | +276 |
| 70 to 74 | 385 | 3.3 | 6.7 | 107 | 3.1 | 3.3 | +278 |
| 75 to 79 | 242 | 2.1 | 5.4 | 62 | 1.8 | 2.3 | +180 |
| 80 to 84 | 128 | 1.1 | 3.0 | 23 | 0.7 | 1.4 | +105 |
| 85 and over | 81 | 0.7 | 2.0 | 6 | 0.2 | 0.9 | +75 |
| Total population | 11,712 | 100.0 | 100.0 | 3,481 | 100.0 | 100.0 | +8,231 |
Dominant groups
Analysis of the five year age groups of Mountain Creek in 2021 compared to Bli Bli - Rosemount and District shows that there was a higher proportion of people in the younger age groups (under 15) and a lower proportion of people in the older age groups (65+).
Overall, 22.8% of the population was aged between 0 and 15, and 11.0% were aged 65 years and over, compared with 19.9% and 23.1% respectively for Bli Bli - Rosemount and District.
The major differences between the age structure of Mountain Creek and Bli Bli - Rosemount and District were:
- A larger percentage of persons aged 10 to 14 (9.2% compared to 6.6%)
- A larger percentage of persons aged 15 to 19 (7.6% compared to 5.3%)
- A smaller percentage of persons aged 70 to 74 (3.3% compared to 6.7%)
- A smaller percentage of persons aged 75 to 79 (2.1% compared to 5.4%)
Emerging groups
From 1996 to 2021, Mountain Creek's population increased by 8,231 people (236.5%). This represents an average annual population change of 4.97% per year over the period.
The largest changes in age structure in this area between 1996 and 2021 were in the age groups:
- 10 to 14 (+759 persons)
- 45 to 49 (+684 persons)
- 15 to 19 (+641 persons)
- 50 to 54 (+618 persons)
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