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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 1991 was 60 to 64 year olds, increasing by 668 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 males (Enumerated) | 2021 | 1991 | Change | ||||
| Five year age groups (years) | Number | % | Central Coast Council area % | Number | % | Central Coast Council area % | 1991 to 2021 |
| 0 to 4 | 1,044 | 6.1 | 6.0 | 1,351 | 10.2 | 8.5 | -308 |
| 5 to 9 | 1,157 | 6.8 | 6.6 | 1,288 | 9.7 | 8.1 | -131 |
| 10 to 14 | 1,296 | 7.6 | 6.7 | 1,179 | 8.9 | 7.3 | +116 |
| 15 to 19 | 1,160 | 6.8 | 6.3 | 1,093 | 8.2 | 7.1 | +66 |
| 20 to 24 | 1,010 | 5.9 | 5.6 | 776 | 5.8 | 5.7 | +234 |
| 25 to 29 | 994 | 5.8 | 5.5 | 943 | 7.1 | 6.8 | +51 |
| 30 to 34 | 1,143 | 6.7 | 5.6 | 1,168 | 8.8 | 7.9 | -25 |
| 35 to 39 | 1,098 | 6.4 | 5.9 | 1,124 | 8.5 | 7.4 | -26 |
| 40 to 44 | 1,127 | 6.6 | 5.9 | 1,147 | 8.6 | 7.2 | -20 |
| 45 to 49 | 1,104 | 6.5 | 6.3 | 893 | 6.7 | 5.5 | +211 |
| 50 to 54 | 1,050 | 6.1 | 6.4 | 546 | 4.1 | 4.4 | +503 |
| 55 to 59 | 1,069 | 6.2 | 6.4 | 438 | 3.3 | 4.0 | +631 |
| 60 to 64 | 1,045 | 6.1 | 6.2 | 376 | 2.8 | 4.9 | +668 |
| 65 to 69 | 848 | 5.0 | 5.7 | 329 | 2.5 | 5.4 | +519 |
| 70 to 74 | 758 | 4.4 | 5.5 | 296 | 2.2 | 4.5 | +462 |
| 75 to 79 | 573 | 3.3 | 4.2 | 180 | 1.4 | 3.1 | +392 |
| 80 to 84 | 314 | 1.8 | 2.8 | 105 | 0.8 | 1.5 | +209 |
| 85 and over | 316 | 1.8 | 2.3 | 32 | 0.2 | 0.6 | +283 |
| Total population | 17,106 | 100.0 | 100.0 | 13,270 | 100.0 | 100.0 | +3,835 |
Dominant groups
Analysis of the male five year age groups of Narara Valley and Ourimbah in 2021 compared to Central Coast Council area shows that there was a higher proportion of males in the younger age groups (under 15) and a lower proportion of males in the older age groups (65+).
Overall, 20.4% of the male population was aged between 0 and 15, and 16.4% were aged 65 years and over, compared with 19.3% and 20.6% respectively for Central Coast Council area.
The major differences between the male age structure of Narara Valley and Ourimbah and Central Coast Council area were:
- A larger percentage of males aged 30 to 34 (6.7% compared to 5.6%)
- A smaller percentage of males aged 70 to 74 (4.4% compared to 5.5%)
- A smaller percentage of males aged 80 to 84 (1.8% compared to 2.8%)
- A smaller percentage of males aged 75 to 79 (3.3% compared to 4.2%)
Emerging groups
From 1991 to 2021, Narara Valley and Ourimbah's male population increased by 3,836 people (28.9%). This represents an average annual population change of 0.85% per year over the period.
The largest changes in male age structure in this area between 1991 and 2021 were in the age groups:
- 60 to 64 (+668 males)
- 55 to 59 (+631 males)
- 65 to 69 (+519 males)
- 50 to 54 (+503 males)
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