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LEARN MORE ABOUT .idIn 2021, the largest age group in Narara Valley and Ourimbah was 10 to 14 year olds. The group that changed the most since 2016 was 70 to 74 year olds, increasing by 308 people.
The Age Structure of Narara Valley and Ourimbah provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Narara Valley and Ourimbah'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 Narara Valley and Ourimbah'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 | |||||||
|---|---|---|---|---|---|---|---|
| Narara Valley and Ourimbah - Total persons (Usual residence) | 2021 | 2016 | Change | ||||
| Five year age groups (years) | Number | % | Killarney Vale - Tumbi Umbi % | Number | % | Killarney Vale - Tumbi Umbi % | 2016 to 2021 |
| 0 to 4 | 2,075 | 5.9 | 6.0 | 2,091 | 6.1 | 6.1 | -17 |
| 5 to 9 | 2,273 | 6.4 | 6.7 | 2,312 | 6.7 | 6.9 | -39 |
| 10 to 14 | 2,464 | 7.0 | 6.8 | 2,253 | 6.6 | 6.5 | +211 |
| 15 to 19 | 2,223 | 6.3 | 5.8 | 2,195 | 6.4 | 6.4 | +28 |
| 20 to 24 | 1,970 | 5.6 | 5.4 | 2,099 | 6.1 | 5.6 | -129 |
| 25 to 29 | 2,061 | 5.8 | 5.6 | 2,067 | 6.0 | 5.1 | -6 |
| 30 to 34 | 2,319 | 6.6 | 6.2 | 2,057 | 6.0 | 5.7 | +261 |
| 35 to 39 | 2,341 | 6.6 | 5.7 | 2,051 | 6.0 | 6.1 | +290 |
| 40 to 44 | 2,265 | 6.4 | 5.7 | 2,220 | 6.5 | 6.3 | +45 |
| 45 to 49 | 2,310 | 6.5 | 6.3 | 2,316 | 6.8 | 6.4 | -6 |
| 50 to 54 | 2,237 | 6.3 | 5.9 | 2,421 | 7.1 | 6.6 | -185 |
| 55 to 59 | 2,303 | 6.5 | 5.9 | 2,335 | 6.8 | 6.3 | -33 |
| 60 to 64 | 2,153 | 6.1 | 5.6 | 2,044 | 6.0 | 6.0 | +108 |
| 65 to 69 | 1,806 | 5.1 | 6.0 | 1,817 | 5.3 | 5.6 | -11 |
| 70 to 74 | 1,688 | 4.8 | 5.6 | 1,379 | 4.0 | 4.8 | +308 |
| 75 to 79 | 1,193 | 3.4 | 4.3 | 947 | 2.8 | 3.5 | +245 |
| 80 to 84 | 745 | 2.1 | 2.9 | 701 | 2.0 | 3.0 | +43 |
| 85 and over | 888 | 2.5 | 3.4 | 964 | 2.8 | 3.1 | -77 |
| Total population | 35,314 | 100.0 | 100.0 | 34,277 | 100.0 | 100.0 | +1,036 |
Dominant groups
Analysis of the five year age groups of Narara Valley and Ourimbah in 2021 compared to Killarney Vale - Tumbi Umbi shows that there was a similar proportion of people in the younger age groups (under 15) and a lower proportion of people in the older age groups (65+).
Overall, 19.3% of the population was aged between 0 and 15, and 17.9% were aged 65 years and over, compared with 19.5% and 22.2% respectively for Killarney Vale - Tumbi Umbi.
The major differences between the age structure of Narara Valley and Ourimbah and Killarney Vale - Tumbi Umbi were:
- A larger percentage of persons aged 35 to 39 (6.6% compared to 5.7%)
- A smaller percentage of persons aged 75 to 79 (3.4% compared to 4.3%)
- A smaller percentage of persons aged 85 and over (2.5% compared to 3.4%)
- A smaller percentage of persons aged 65 to 69 (5.1% compared to 6.0%)
Emerging groups
From 2016 to 2021, Narara Valley and Ourimbah's population increased by 1,037 people (3.0%). This represents an average annual population change of 0.6% per year over the period.
The largest changes in age structure in this area between 2016 and 2021 were in the age groups:
- 70 to 74 (+308 persons)
- 35 to 39 (+290 persons)
- 30 to 34 (+261 persons)
- 75 to 79 (+245 persons)
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