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LEARN MORE ABOUT .idIn 2021, the largest age group in Terrigal - North Avoca was 50 to 54 year olds. The group that changed the most since 1991 was 50 to 54 year olds, increasing by 693 people.
The Age Structure of Terrigal - North Avoca provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Terrigal - North Avoca'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 Terrigal - North Avoca'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 | |||||||
|---|---|---|---|---|---|---|---|
| Terrigal - North Avoca - Total persons (Enumerated) | 2021 | 1991 | Change | ||||
| Five year age groups (years) | Number | % | Ourimbah District % | Number | % | Ourimbah District % | 1991 to 2021 |
| 0 to 4 | 767 | 5.1 | 5.5 | 607 | 7.3 | 9.5 | +160 |
| 5 to 9 | 983 | 6.5 | 5.9 | 602 | 7.3 | 7.1 | +380 |
| 10 to 14 | 1,042 | 6.9 | 6.7 | 597 | 7.2 | 7.6 | +444 |
| 15 to 19 | 968 | 6.4 | 6.8 | 560 | 6.8 | 7.7 | +407 |
| 20 to 24 | 783 | 5.2 | 6.3 | 488 | 5.9 | 7.2 | +294 |
| 25 to 29 | 741 | 4.9 | 6.0 | 561 | 6.8 | 8.8 | +179 |
| 30 to 34 | 732 | 4.9 | 5.9 | 669 | 8.1 | 8.4 | +62 |
| 35 to 39 | 914 | 6.1 | 6.6 | 744 | 9.0 | 7.2 | +169 |
| 40 to 44 | 970 | 6.4 | 6.5 | 661 | 8.0 | 8.4 | +308 |
| 45 to 49 | 1,056 | 7.0 | 6.2 | 508 | 6.2 | 7.0 | +548 |
| 50 to 54 | 1,063 | 7.1 | 7.2 | 369 | 4.5 | 5.4 | +693 |
| 55 to 59 | 985 | 6.5 | 7.5 | 306 | 3.7 | 4.4 | +679 |
| 60 to 64 | 1,025 | 6.8 | 7.0 | 377 | 4.6 | 3.6 | +648 |
| 65 to 69 | 965 | 6.4 | 5.6 | 450 | 5.4 | 2.3 | +515 |
| 70 to 74 | 874 | 5.8 | 4.0 | 367 | 4.4 | 2.3 | +507 |
| 75 to 79 | 617 | 4.1 | 3.3 | 253 | 3.1 | 1.5 | +364 |
| 80 to 84 | 338 | 2.2 | 1.6 | 104 | 1.3 | 0.9 | +233 |
| 85 and over | 245 | 1.6 | 1.5 | 31 | 0.4 | 0.7 | +214 |
| Total population | 15,068 | 100.0 | 100.0 | 8,263 | 100.0 | 100.0 | +6,805 |
Dominant groups
Analysis of the five year age groups of Terrigal - North Avoca in 2021 compared to the Ourimbah District shows that there was a similar proportion of people in the younger age groups (under 15) and a higher proportion of people in the older age groups (65+).
Overall, 18.5% of the population was aged between 0 and 15, and 20.2% were aged 65 years and over, compared with 18.1% and 16.0% respectively for the Ourimbah District.
The major differences between the age structure of Terrigal - North Avoca and the Ourimbah District were:
- A larger percentage of persons aged 70 to 74 (5.8% compared to 4.0%)
- A smaller percentage of persons aged 30 to 34 (4.9% compared to 5.9%)
- A smaller percentage of persons aged 20 to 24 (5.2% compared to 6.3%)
- A smaller percentage of persons aged 25 to 29 (4.9% compared to 6.0%)
Emerging groups
From 1991 to 2021, Terrigal - North Avoca's population increased by 6,805 people (82.4%). This represents an average annual population change of 2.02% per year over the period.
The largest changes in age structure in this area between 1991 and 2021 were in the age groups:
- 50 to 54 (+693 persons)
- 55 to 59 (+679 persons)
- 60 to 64 (+648 persons)
- 45 to 49 (+548 persons)
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