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LEARN MORE ABOUT .idIn 2021, the largest age group in Trinity Beach was 55 to 59 year olds. The group that changed the most since 1996 was 55 to 59 year olds, increasing by 368 people.
The Age Structure of Trinity Beach provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Trinity Beach'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 Trinity Beach'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 | |||||||
|---|---|---|---|---|---|---|---|
| Trinity Beach - Total persons (Enumerated) | 2021 | 1996 | Change | ||||
| Five year age groups (years) | Number | % | Parramatta Park % | Number | % | Parramatta Park % | 1996 to 2021 |
| 0 to 4 | 326 | 4.8 | 3.6 | 263 | 6.6 | 3.4 | +62 |
| 5 to 9 | 439 | 6.4 | 3.6 | 318 | 7.9 | 3.7 | +121 |
| 10 to 14 | 457 | 6.7 | 4.5 | 303 | 7.6 | 6.1 | +153 |
| 15 to 19 | 324 | 4.7 | 5.5 | 244 | 6.1 | 10.0 | +80 |
| 20 to 24 | 283 | 4.1 | 9.4 | 232 | 5.8 | 12.0 | +50 |
| 25 to 29 | 378 | 5.5 | 13.9 | 285 | 7.1 | 12.9 | +92 |
| 30 to 34 | 430 | 6.3 | 12.6 | 378 | 9.4 | 9.6 | +52 |
| 35 to 39 | 423 | 6.2 | 8.4 | 389 | 9.7 | 8.2 | +34 |
| 40 to 44 | 467 | 6.8 | 5.8 | 352 | 8.8 | 6.1 | +115 |
| 45 to 49 | 489 | 7.1 | 6.8 | 342 | 8.5 | 5.9 | +147 |
| 50 to 54 | 513 | 7.5 | 5.2 | 226 | 5.6 | 4.3 | +287 |
| 55 to 59 | 519 | 7.6 | 5.5 | 151 | 3.8 | 2.2 | +368 |
| 60 to 64 | 512 | 7.5 | 5.1 | 158 | 3.9 | 2.8 | +354 |
| 65 to 69 | 443 | 6.5 | 4.2 | 160 | 4.0 | 3.8 | +283 |
| 70 to 74 | 394 | 5.7 | 2.8 | 89 | 2.2 | 3.3 | +304 |
| 75 to 79 | 249 | 3.6 | 1.8 | 66 | 1.7 | 2.7 | +182 |
| 80 to 84 | 139 | 2.0 | 0.7 | 34 | 0.8 | 1.8 | +105 |
| 85 and over | 77 | 1.1 | 0.4 | 15 | 0.4 | 1.0 | +61 |
| Total population | 6,862 | 100.0 | 100.0 | 4,012 | 100.0 | 100.0 | +2,849 |
Dominant groups
Analysis of the five year age groups of Trinity Beach in 2021 compared to Parramatta Park shows that there was a higher proportion of people in the younger age groups (under 15) as well as a higher proportion of people in the older age groups (65+).
Overall, 17.8% of the population was aged between 0 and 15, and 19.0% were aged 65 years and over, compared with 11.7% and 9.9% respectively for Parramatta Park.
The major differences between the age structure of Trinity Beach and Parramatta Park were:
- A larger percentage of persons aged 70 to 74 (5.7% compared to 2.8%)
- A smaller percentage of persons aged 25 to 29 (5.5% compared to 13.9%)
- A smaller percentage of persons aged 30 to 34 (6.3% compared to 12.6%)
- A smaller percentage of persons aged 20 to 24 (4.1% compared to 9.4%)
Emerging groups
From 1996 to 2021, Trinity Beach's population increased by 2,850 people (71.0%). This represents an average annual population change of 2.17% per year over the period.
The largest changes in age structure in this area between 1996 and 2021 were in the age groups:
- 55 to 59 (+368 persons)
- 60 to 64 (+354 persons)
- 70 to 74 (+304 persons)
- 50 to 54 (+287 persons)
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