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LEARN MORE ABOUT .idIn 2021, the largest age group in Williamstown was 50 to 54 year olds. The group that changed the most since 2006 was 60 to 64 year olds, increasing by 254 people.
The Age Structure of Williamstown provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Williamstown'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 Williamstown'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 | |||||||
|---|---|---|---|---|---|---|---|
| Williamstown - Total females (Usual residence) | 2021 | 2006 | Change | ||||
| Five year age groups (years) | Number | % | Williamstown North - The Rifle Range % | Number | % | Williamstown North - The Rifle Range % | 2006 to 2021 |
| 0 to 4 | 207 | 3.5 | 3.9 | 336 | 6.5 | 6.0 | -130 |
| 5 to 9 | 377 | 6.4 | 4.5 | 305 | 5.9 | 8.3 | +71 |
| 10 to 14 | 430 | 7.2 | 5.8 | 336 | 6.5 | 6.4 | +94 |
| 15 to 19 | 312 | 5.3 | 7.1 | 257 | 4.9 | 5.6 | +54 |
| 20 to 24 | 258 | 4.3 | 5.6 | 250 | 4.8 | 4.3 | +8 |
| 25 to 29 | 222 | 3.7 | 4.0 | 279 | 5.4 | 4.2 | -58 |
| 30 to 34 | 289 | 4.9 | 4.3 | 356 | 6.8 | 5.2 | -68 |
| 35 to 39 | 339 | 5.7 | 5.5 | 505 | 9.7 | 10.0 | -166 |
| 40 to 44 | 437 | 7.4 | 6.2 | 476 | 9.2 | 10.9 | -40 |
| 45 to 49 | 511 | 8.6 | 7.7 | 453 | 8.7 | 9.6 | +57 |
| 50 to 54 | 539 | 9.1 | 9.2 | 356 | 6.8 | 5.6 | +182 |
| 55 to 59 | 491 | 8.3 | 8.6 | 351 | 6.7 | 5.1 | +140 |
| 60 to 64 | 450 | 7.6 | 6.7 | 195 | 3.8 | 3.5 | +254 |
| 65 to 69 | 342 | 5.8 | 5.9 | 177 | 3.4 | 3.6 | +165 |
| 70 to 74 | 312 | 5.3 | 5.7 | 117 | 2.3 | 2.6 | +195 |
| 75 to 79 | 191 | 3.2 | 3.2 | 181 | 3.5 | 2.7 | +10 |
| 80 to 84 | 108 | 1.8 | 2.9 | 131 | 2.5 | 3.3 | -23 |
| 85 and over | 118 | 2.0 | 3.2 | 137 | 2.6 | 3.1 | -19 |
| Total population | 5,933 | 100.0 | 100.0 | 5,207 | 100.0 | 100.0 | +726 |
Dominant groups
Analysis of the female five year age groups of Williamstown in 2021 compared to Williamstown North - The Rifle Range 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, 17.1% of the female population was aged between 0 and 15, and 18.1% were aged 65 years and over, compared with 14.2% and 20.9% respectively for Williamstown North - The Rifle Range.
The major differences between the female age structure of Williamstown and Williamstown North - The Rifle Range were:
- A larger percentage of females aged 5 to 9 (6.4% compared to 4.5%)
- A larger percentage of females aged 10 to 14 (7.2% compared to 5.8%)
- A smaller percentage of females aged 15 to 19 (5.3% compared to 7.1%)
- A smaller percentage of females aged 20 to 24 (4.3% compared to 5.6%)
Emerging groups
From 2006 to 2021, Williamstown's female population increased by 726 people (13.9%). This represents an average annual population change of 0.87% per year over the period.
The largest changes in female age structure in this area between 2006 and 2021 were in the age groups:
- 60 to 64 (+254 females)
- 70 to 74 (+195 females)
- 50 to 54 (+182 females)
- 35 to 39 (-166 females)
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