In 2021, the largest age group in Strathfield Council was 25 to 29 year olds. The group that changed the most since 2016 was 35 to 39 year olds, increasing by 1,020 people.
The Age Structure of Strathfield Council provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Strathfield Council'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 Strathfield Council's Age Structure should be viewed in conjunction with Household Types and Dwelling Types.
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| Age structure - Five year age groups | |||||||
|---|---|---|---|---|---|---|---|
| Strathfield Council - Total persons (Usual residence) | 2021 | 2016 | Change | ||||
| Five year age groups (years) | Number | % | Georges River Council area % | Number | % | Georges River Council area % | 2016 to 2021 |
| 0 to 4 | 2,350 | 5.2 | 5.0 | 2,318 | 5.7 | 5.8 | +32 |
| 5 to 9 | 2,329 | 5.1 | 5.5 | 1,986 | 4.9 | 5.6 | +343 |
| 10 to 14 | 2,089 | 4.6 | 5.4 | 1,920 | 4.8 | 5.3 | +169 |
| 15 to 19 | 2,062 | 4.5 | 5.3 | 2,441 | 6.1 | 6.1 | -379 |
| 20 to 24 | 4,601 | 10.1 | 7.6 | 3,854 | 9.6 | 7.6 | +747 |
| 25 to 29 | 5,842 | 12.8 | 8.0 | 5,012 | 12.4 | 8.7 | +830 |
| 30 to 34 | 5,246 | 11.5 | 7.5 | 4,293 | 10.6 | 7.9 | +953 |
| 35 to 39 | 3,967 | 8.7 | 7.2 | 2,947 | 7.3 | 6.6 | +1,020 |
| 40 to 44 | 2,673 | 5.9 | 6.3 | 2,329 | 5.8 | 6.5 | +344 |
| 45 to 49 | 2,342 | 5.1 | 6.3 | 2,291 | 5.7 | 6.5 | +51 |
| 50 to 54 | 2,195 | 4.8 | 6.2 | 2,387 | 5.9 | 6.6 | -192 |
| 55 to 59 | 2,319 | 5.1 | 6.3 | 2,159 | 5.4 | 6.1 | +160 |
| 60 to 64 | 2,074 | 4.5 | 5.9 | 1,752 | 4.3 | 5.2 | +322 |
| 65 to 69 | 1,695 | 3.7 | 4.9 | 1,317 | 3.3 | 4.5 | +378 |
| 70 to 74 | 1,275 | 2.8 | 4.2 | 1,040 | 2.6 | 3.4 | +235 |
| 75 to 79 | 979 | 2.1 | 3.1 | 845 | 2.1 | 2.7 | +134 |
| 80 to 84 | 740 | 1.6 | 2.3 | 679 | 1.7 | 2.2 | +61 |
| 85 and over | 826 | 1.8 | 2.8 | 752 | 1.9 | 2.6 | +74 |
| Total population | 45,604 | 100.0 | 100.0 | 40,322 | 100.0 | 100.0 | +5,282 |
Analysis of the five year age groups of Strathfield Council in 2021 compared to Georges River Council area shows that there was a lower proportion of people in the younger age groups (under 15) as well as a lower proportion of people in the older age groups (65+).
Overall, 14.8% of the population was aged between 0 and 15, and 12.1% were aged 65 years and over, compared with 15.9% and 17.3% respectively for Georges River Council area.
The major differences between the age structure of Strathfield Council and Georges River Council area were:
From 2016 to 2021, Strathfield Council's population increased by 5,282 people (13.1%). This represents an average annual population change of 2.49% per year over the period.
The largest changes in age structure in this area between 2016 and 2021 were in the age groups:
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