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LEARN MORE ABOUT .idIn 2021, the largest age group in Narara Valley and Ourimbah was 35 to 39 year olds. The group that changed the most since 1996 was 55 to 59 year olds, increasing by 694 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 females (Enumerated) | 2021 | 1996 | Change | ||||
| Five year age groups (years) | Number | % | Gosford Central % | Number | % | Gosford Central % | 1996 to 2021 |
| 0 to 4 | 1,032 | 5.7 | 4.5 | 1,305 | 8.3 | 6.4 | -273 |
| 5 to 9 | 1,098 | 6.1 | 3.9 | 1,337 | 8.5 | 5.8 | -239 |
| 10 to 14 | 1,160 | 6.4 | 4.4 | 1,280 | 8.1 | 5.7 | -121 |
| 15 to 19 | 1,067 | 5.9 | 4.2 | 1,140 | 7.2 | 5.8 | -73 |
| 20 to 24 | 972 | 5.4 | 5.9 | 956 | 6.1 | 6.9 | +15 |
| 25 to 29 | 1,040 | 5.8 | 6.6 | 1,005 | 6.4 | 6.4 | +34 |
| 30 to 34 | 1,178 | 6.5 | 7.0 | 1,333 | 8.4 | 6.8 | -155 |
| 35 to 39 | 1,238 | 6.9 | 6.0 | 1,370 | 8.7 | 6.7 | -132 |
| 40 to 44 | 1,119 | 6.2 | 5.7 | 1,253 | 7.9 | 5.8 | -135 |
| 45 to 49 | 1,198 | 6.6 | 5.6 | 1,203 | 7.6 | 6.0 | -6 |
| 50 to 54 | 1,171 | 6.5 | 5.5 | 801 | 5.1 | 4.7 | +370 |
| 55 to 59 | 1,217 | 6.7 | 5.9 | 522 | 3.3 | 4.6 | +694 |
| 60 to 64 | 1,105 | 6.1 | 6.1 | 472 | 3.0 | 4.5 | +632 |
| 65 to 69 | 948 | 5.2 | 5.8 | 453 | 2.9 | 6.0 | +495 |
| 70 to 74 | 907 | 5.0 | 6.0 | 452 | 2.9 | 5.9 | +455 |
| 75 to 79 | 617 | 3.4 | 5.1 | 398 | 2.5 | 5.7 | +219 |
| 80 to 84 | 433 | 2.4 | 4.7 | 276 | 1.7 | 3.7 | +157 |
| 85 and over | 564 | 3.1 | 7.2 | 241 | 1.5 | 2.6 | +323 |
| Total population | 18,064 | 100.0 | 100.0 | 15,805 | 100.0 | 100.0 | +2,259 |
Dominant groups
Analysis of the female five year age groups of Narara Valley and Ourimbah in 2021 compared to Gosford Central shows that there was a higher proportion of females in the younger age groups (under 15) and a lower proportion of females in the older age groups (65+).
Overall, 18.2% of the female population was aged between 0 and 15, and 19.2% were aged 65 years and over, compared with 12.8% and 28.9% respectively for Gosford Central.
The major differences between the female age structure of Narara Valley and Ourimbah and Gosford Central were:
- A larger percentage of females aged 5 to 9 (6.1% compared to 3.9%)
- A larger percentage of females aged 10 to 14 (6.4% compared to 4.4%)
- A smaller percentage of females aged 85 and over (3.1% compared to 7.2%)
- A smaller percentage of females aged 80 to 84 (2.4% compared to 4.7%)
Emerging groups
From 1996 to 2021, Narara Valley and Ourimbah's female population increased by 2,259 people (14.3%). This represents an average annual population change of 0.54% per year over the period.
The largest changes in female age structure in this area between 1996 and 2021 were in the age groups:
- 55 to 59 (+694 females)
- 60 to 64 (+632 females)
- 65 to 69 (+495 females)
- 70 to 74 (+455 females)
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