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LEARN MORE ABOUT .idIn 2021, the largest age group in Terrigal - North Avoca was 45 to 49 year olds. The group that changed the most since 1991 was 50 to 54 year olds, increasing by 380 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 females (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 | 340 | 4.4 | 5.3 | 313 | 7.5 | 7.7 | +27 |
| 5 to 9 | 465 | 6.1 | 5.7 | 275 | 6.6 | 7.2 | +190 |
| 10 to 14 | 518 | 6.8 | 6.0 | 287 | 6.9 | 6.8 | +231 |
| 15 to 19 | 457 | 6.0 | 5.5 | 276 | 6.6 | 6.4 | +181 |
| 20 to 24 | 385 | 5.0 | 5.1 | 244 | 5.9 | 5.4 | +140 |
| 25 to 29 | 381 | 5.0 | 5.2 | 287 | 6.9 | 6.8 | +93 |
| 30 to 34 | 373 | 4.9 | 5.7 | 338 | 8.1 | 8.0 | +35 |
| 35 to 39 | 499 | 6.5 | 6.1 | 393 | 9.4 | 7.3 | +106 |
| 40 to 44 | 507 | 6.6 | 6.0 | 316 | 7.6 | 6.8 | +191 |
| 45 to 49 | 547 | 7.1 | 6.4 | 273 | 6.6 | 5.1 | +274 |
| 50 to 54 | 547 | 7.1 | 6.4 | 166 | 4.0 | 4.1 | +380 |
| 55 to 59 | 518 | 6.8 | 6.5 | 154 | 3.7 | 4.3 | +364 |
| 60 to 64 | 533 | 7.0 | 6.6 | 207 | 5.0 | 5.5 | +326 |
| 65 to 69 | 534 | 7.0 | 6.2 | 230 | 5.5 | 5.8 | +303 |
| 70 to 74 | 417 | 5.4 | 5.9 | 194 | 4.7 | 5.2 | +222 |
| 75 to 79 | 320 | 4.2 | 4.5 | 131 | 3.1 | 3.9 | +189 |
| 80 to 84 | 164 | 2.1 | 3.2 | 56 | 1.4 | 2.2 | +107 |
| 85 and over | 150 | 2.0 | 3.7 | 19 | 0.5 | 1.4 | +130 |
| Total population | 7,655 | 100.0 | 100.0 | 4,167 | 100.0 | 100.0 | +3,488 |
Dominant groups
Analysis of the female five year age groups of Terrigal - North Avoca in 2021 compared to Central Coast Council area shows that there was a similar proportion of females in the younger age groups (under 15) and a lower proportion of females in the older age groups (65+).
Overall, 17.3% of the female population was aged between 0 and 15, and 20.7% were aged 65 years and over, compared with 16.9% and 23.5% respectively for Central Coast Council area.
The major differences between the female age structure of Terrigal - North Avoca and Central Coast Council area were:
- A smaller percentage of females aged 85 and over (2.0% compared to 3.7%)
- A smaller percentage of females aged 80 to 84 (2.1% compared to 3.2%)
- A smaller percentage of females aged 30 to 34 (4.9% compared to 5.7%)
- A smaller percentage of females aged 0 to 4 (4.4% compared to 5.3%)
Emerging groups
From 1991 to 2021, Terrigal - North Avoca's female population increased by 3,488 people (83.7%). This represents an average annual population change of 2.05% per year over the period.
The largest changes in female age structure in this area between 1991 and 2021 were in the age groups:
- 50 to 54 (+380 females)
- 55 to 59 (+364 females)
- 60 to 64 (+326 females)
- 65 to 69 (+303 females)
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