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LEARN MORE ABOUT .idIn 2021, the largest age group in Darch was 15 to 19 year olds. The group that changed the most since 2001 was 15 to 19 year olds, increasing by 675 people.
The Age Structure of Darch provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Darch'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 Darch'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 | |||||||
|---|---|---|---|---|---|---|---|
| Darch - Total persons (Usual residence) | 2021 | 2001 | Change | ||||
| Five year age groups (years) | Number | % | Merriwa % | Number | % | Merriwa % | 2001 to 2021 |
| 0 to 4 | 392 | 5.3 | 5.7 | 12 | 4.6 | 10.1 | +380 |
| 5 to 9 | 572 | 7.8 | 6.8 | 12 | 4.6 | 10.8 | +560 |
| 10 to 14 | 670 | 9.1 | 7.0 | 25 | 9.7 | 8.3 | +645 |
| 15 to 19 | 702 | 9.6 | 6.1 | 27 | 10.4 | 6.0 | +675 |
| 20 to 24 | 536 | 7.3 | 5.8 | 16 | 6.2 | 5.0 | +520 |
| 25 to 29 | 322 | 4.4 | 5.6 | 9 | 3.5 | 6.9 | +313 |
| 30 to 34 | 385 | 5.2 | 6.2 | 16 | 6.5 | 8.1 | +368 |
| 35 to 39 | 535 | 7.3 | 6.5 | 14 | 5.5 | 7.4 | +521 |
| 40 to 44 | 621 | 8.5 | 5.9 | 16 | 6.5 | 6.4 | +604 |
| 45 to 49 | 671 | 9.1 | 5.6 | 18 | 7.1 | 3.9 | +652 |
| 50 to 54 | 596 | 8.1 | 5.7 | 19 | 7.6 | 3.5 | +576 |
| 55 to 59 | 418 | 5.7 | 4.6 | 25 | 9.7 | 2.1 | +393 |
| 60 to 64 | 270 | 3.7 | 3.8 | 22 | 8.8 | 3.9 | +247 |
| 65 to 69 | 196 | 2.7 | 3.9 | 11 | 4.4 | 3.2 | +185 |
| 70 to 74 | 191 | 2.6 | 4.3 | 1 | 0.7 | 4.8 | +189 |
| 75 to 79 | 124 | 1.7 | 4.3 | 3 | 1.4 | 5.9 | +120 |
| 80 to 84 | 93 | 1.3 | 5.0 | 4 | 1.6 | 2.6 | +89 |
| 85 and over | 54 | 0.7 | 7.2 | 3 | 1.4 | 1.2 | +50 |
| Total population | 7,348 | 100.0 | 100.0 | 260 | 100.0 | 100.0 | +7,088 |
Dominant groups
Analysis of the five year age groups of Darch in 2021 compared to Merriwa 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, 22.2% of the population was aged between 0 and 15, and 9.0% were aged 65 years and over, compared with 19.5% and 24.7% respectively for Merriwa.
The major differences between the age structure of Darch and Merriwa were:
- A larger percentage of persons aged 45 to 49 (9.1% compared to 5.6%)
- A larger percentage of persons aged 15 to 19 (9.6% compared to 6.1%)
- A smaller percentage of persons aged 85 and over (0.7% compared to 7.2%)
- A smaller percentage of persons aged 80 to 84 (1.3% compared to 5.0%)
Emerging groups
From 2001 to 2021, Darch's population increased by 7,088 people (2726.2%). This represents an average annual population change of 18.18% per year over the period.
The largest changes in age structure in this area between 2001 and 2021 were in the age groups:
- 15 to 19 (+675 persons)
- 45 to 49 (+652 persons)
- 10 to 14 (+645 persons)
- 40 to 44 (+604 persons)
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