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LEARN MORE ABOUT .idIn 2021, the largest age group in the Northern Lakes District was 70 to 74 year olds. The group that changed the most since 2006 was 70 to 74 year olds, increasing by 430 people.
The Age Structure of the Northern Lakes District provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of the Northern Lakes District'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 the Northern Lakes District'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 | |||||||
|---|---|---|---|---|---|---|---|
| Northern Lakes District - Total females (Usual residence) | 2021 | 2006 | Change | ||||
| Five year age groups (years) | Number | % | Gosford Central % | Number | % | Gosford Central % | 2006 to 2021 |
| 0 to 4 | 393 | 4.4 | 4.4 | 393 | 5.3 | 4.6 | 0 |
| 5 to 9 | 464 | 5.2 | 4.0 | 560 | 7.5 | 4.6 | -96 |
| 10 to 14 | 477 | 5.3 | 4.4 | 567 | 7.6 | 4.9 | -90 |
| 15 to 19 | 413 | 4.6 | 4.4 | 396 | 5.3 | 6.0 | +17 |
| 20 to 24 | 407 | 4.6 | 6.0 | 321 | 4.3 | 6.2 | +86 |
| 25 to 29 | 402 | 4.5 | 6.6 | 263 | 3.5 | 6.3 | +139 |
| 30 to 34 | 422 | 4.7 | 7.0 | 467 | 6.3 | 5.7 | -45 |
| 35 to 39 | 473 | 5.3 | 6.0 | 543 | 7.3 | 5.5 | -70 |
| 40 to 44 | 402 | 4.5 | 5.8 | 515 | 6.9 | 6.2 | -113 |
| 45 to 49 | 486 | 5.4 | 5.6 | 519 | 6.9 | 6.5 | -33 |
| 50 to 54 | 572 | 6.4 | 5.4 | 399 | 5.3 | 5.8 | +173 |
| 55 to 59 | 599 | 6.7 | 5.9 | 479 | 6.4 | 5.5 | +120 |
| 60 to 64 | 666 | 7.4 | 6.1 | 507 | 6.8 | 4.6 | +159 |
| 65 to 69 | 704 | 7.9 | 5.8 | 575 | 7.7 | 5.0 | +129 |
| 70 to 74 | 803 | 9.0 | 6.0 | 373 | 5.0 | 5.5 | +430 |
| 75 to 79 | 626 | 7.0 | 5.1 | 321 | 4.3 | 6.0 | +305 |
| 80 to 84 | 361 | 4.0 | 4.7 | 169 | 2.3 | 6.0 | +192 |
| 85 and over | 274 | 3.1 | 6.9 | 103 | 1.4 | 5.0 | +171 |
| Total population | 8,944 | 100.0 | 100.0 | 7,470 | 100.0 | 100.0 | +1,474 |
Dominant groups
Analysis of the female five year age groups of the Northern Lakes District in 2021 compared to Gosford Central shows that there was a higher proportion of females in the younger age groups (under 15) as well as a higher proportion of females in the older age groups (65+).
Overall, 14.9% of the female population was aged between 0 and 15, and 30.9% were aged 65 years and over, compared with 12.8% and 28.4% respectively for Gosford Central.
The major differences between the female age structure of the Northern Lakes District and Gosford Central were:
- A larger percentage of females aged 70 to 74 (9.0% compared to 6.0%)
- A smaller percentage of females aged 85 and over (3.1% compared to 6.9%)
- A smaller percentage of females aged 30 to 34 (4.7% compared to 7.0%)
- A smaller percentage of females aged 25 to 29 (4.5% compared to 6.6%)
Emerging groups
From 2006 to 2021, Northern Lakes District's female population increased by 1,474 people (19.7%). This represents an average annual population change of 1.21% per year over the period.
The largest changes in female age structure in this area between 2006 and 2021 were in the age groups:
- 70 to 74 (+430 females)
- 75 to 79 (+305 females)
- 80 to 84 (+192 females)
- 50 to 54 (+173 females)
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