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Strathfield Council area

Five year age groups

In 2021, the largest age group in Strathfield Council area 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 area 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 area'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 area's Age Structure should be viewed in conjunction with Household Types and Dwelling Types.

Derived from the Census question:

'What is the person's date of birth or age?'

Total population

Age structure - Five year age groups
Strathfield Council area - Total persons (Usual residence)20212016Change
Five year age groups (years)Number%Greater Sydney %Number%Greater Sydney %2016 to 2021
0 to 42,3505.26.02,3185.76.4+32
5 to 92,3295.16.31,9864.96.4+343
10 to 142,0894.66.21,9204.85.8+169
15 to 192,0624.55.62,4416.16.0-379
20 to 244,60110.16.63,8549.67.1+747
25 to 295,84212.87.55,01212.47.9+830
30 to 345,24611.58.04,29310.68.1+953
35 to 393,9678.77.92,9477.37.4+1,020
40 to 442,6735.97.02,3295.87.1+344
45 to 492,3425.16.62,2915.76.7+51
50 to 542,1954.86.22,3875.96.3-192
55 to 592,3195.15.82,1595.45.8+160
60 to 642,0744.55.31,7524.35.0+322
65 to 691,6953.74.51,3173.34.4+378
70 to 741,2752.83.91,0402.63.3+235
75 to 799792.12.88452.12.4+134
80 to 847401.62.06791.71.8+61
85 and over8261.82.07521.92.0+74

Source: Australian Bureau of Statistics, Census of Population and Housing 2016 and 2021. Compiled and presented by .id (informed decisions).

Age structure - five year age groups, 2021
Age structure - five year age groups, 2021 85 and over, Greater Sydney: 2.0% 80 to 84, Greater Sydney: 2.0% 75 to 79, Greater Sydney: 2.8% 70 to 74, Greater Sydney: 3.9% 65 to 69, Greater Sydney: 4.5% 60 to 64, Greater Sydney: 5.3% 55 to 59, Greater Sydney: 5.8% 50 to 54, Greater Sydney: 6.2% 45 to 49, Greater Sydney: 6.6% 40 to 44, Greater Sydney: 7.0% 35 to 39, Greater Sydney: 7.9% 30 to 34, Greater Sydney: 8.0% 25 to 29, Greater Sydney: 7.5% 20 to 24, Greater Sydney: 6.6% 15 to 19, Greater Sydney: 5.6% 10 to 14, Greater Sydney: 6.2% 5 to 9, Greater Sydney: 6.3% 0 to 4, Greater Sydney: 6.0% 85 and over, Strathfield Council area: 1.8% 80 to 84, Strathfield Council area: 1.6% 75 to 79, Strathfield Council area: 2.1% 70 to 74, Strathfield Council area: 2.8% 65 to 69, Strathfield Council area: 3.7% 60 to 64, Strathfield Council area: 4.5% 55 to 59, Strathfield Council area: 5.1% 50 to 54, Strathfield Council area: 4.8% 45 to 49, Strathfield Council area: 5.1% 40 to 44, Strathfield Council area: 5.9% 35 to 39, Strathfield Council area: 8.7% 30 to 34, Strathfield Council area: 11.5% 25 to 29, Strathfield Council area: 12.8% 20 to 24, Strathfield Council area: 10.1% 15 to 19, Strathfield Council area: 4.5% 10 to 14, Strathfield Council area: 4.6% 5 to 9, Strathfield Council area: 5.1% 0 to 4, Strathfield Council area: 5.2%
Source: Australian Bureau of Statistics, Census of Population and Housing, 2021 (Usual residence data)
Compiled and presented in profile.id by .id (informed decisions).
Change in age structure - five year age groups, 2016 to 2021
Change in age structure - five year age groups, 2016 to 2021 85 and over, Strathfield Council area: +74 80 to 84, Strathfield Council area: +61 75 to 79, Strathfield Council area: +134 70 to 74, Strathfield Council area: +235 65 to 69, Strathfield Council area: +378 60 to 64, Strathfield Council area: +322 55 to 59, Strathfield Council area: +160 50 to 54, Strathfield Council area: -192 45 to 49, Strathfield Council area: +51 40 to 44, Strathfield Council area: +344 35 to 39, Strathfield Council area: +1,020 30 to 34, Strathfield Council area: +953 25 to 29, Strathfield Council area: +830 20 to 24, Strathfield Council area: +747 15 to 19, Strathfield Council area: -379 10 to 14, Strathfield Council area: +169 5 to 9, Strathfield Council area: +343 0 to 4, Strathfield Council area: +32
Source: Australian Bureau of Statistics, Census of Population and Housing, 2016 and 2021 (Usual residence data)
Compiled and presented in profile.id by .id (informed decisions).

Dominant groups

Analysis of the five year age groups of Strathfield Council area in 2021 compared to Greater Sydney 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 18.4% and 15.2% respectively for Greater Sydney.

The major differences between the age structure of Strathfield Council area and Greater Sydney were:

  • A larger percentage of persons aged 25 to 29 (12.8% compared to 7.5%)
  • A larger percentage of persons aged 20 to 24 (10.1% compared to 6.6%)
  • A larger percentage of persons aged 30 to 34 (11.5% compared to 8.0%)
  • A smaller percentage of persons aged 10 to 14 (4.6% compared to 6.2%)

Emerging groups

From 2016 to 2021, Strathfield Council area'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:

  • 35 to 39 (+1,020 persons)
  • 30 to 34 (+953 persons)
  • 25 to 29 (+830 persons)
  • 20 to 24 (+747 persons)

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