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City of Canterbury BankstownCommunity profile

Cooks River Catchment area

Five year age groups

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In 2021, the largest age group in Cooks River Catchment area was 30 to 34 year olds. The group that changed the most since 2001 was 25 to 29 year olds, increasing by 22,193 people.

The Age Structure of Cooks River Catchment 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 Cooks River Catchment 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 Cooks River Catchment area'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
Cooks River Catchment area - Total persons (Usual residence)20212001Change
Five year age groups (years)Number%Revesby - Revesby Heights %Number%Revesby - Revesby Heights %2001 to 2021
0 to 429,2235.66.225,3896.56.2+3,833
5 to 926,4075.06.423,8376.16.8+2,570
10 to 1424,8504.76.322,1905.76.5+2,660
15 to 1923,5394.56.124,3336.26.5-794
20 to 2440,5587.76.328,9957.46.1+11,562
25 to 2955,88810.66.433,6958.66.4+22,193
30 to 3455,96810.67.334,4868.87.0+21,481
35 to 3946,1838.87.333,5328.67.3+12,650
40 to 4435,9986.86.629,6097.67.7+6,388
45 to 4932,5536.26.625,5256.56.5+7,027
50 to 5430,6305.86.123,0585.95.8+7,571
55 to 5928,5695.45.918,4724.74.7+10,097
60 to 6424,7534.76.116,1484.13.8+8,604
65 to 6920,6663.94.814,4203.74.2+6,245
70 to 7417,4313.33.912,9473.34.6+4,484
75 to 7912,8302.42.610,4172.75.0+2,413
80 to 8410,0371.92.17,0471.82.6+2,990
85 and over10,0781.93.15,8551.52.1+4,222
Total population526,161100.0100.0389,963100.0100.0+136,197
Source: Australian Bureau of Statistics, Census of Population and Housing 2001 and 2021. Compiled and presented by .id (informed decisions).
Please refer to specific data notes for more information

Dominant groups

Analysis of the five year age groups of Cooks River Catchment area in 2021 compared to Revesby - Revesby Heights 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, 15.3% of the population was aged between 0 and 15, and 13.5% were aged 65 years and over, compared with 19.0% and 16.5% respectively for Revesby - Revesby Heights.

The major differences between the age structure of Cooks River Catchment area and Revesby - Revesby Heights were:

  • A larger percentage of persons aged 25 to 29 (10.6% compared to 6.4%)
  • A larger percentage of persons aged 30 to 34 (10.6% compared to 7.3%)
  • A smaller percentage of persons aged 15 to 19 (4.5% compared to 6.1%)
  • A smaller percentage of persons aged 10 to 14 (4.7% compared to 6.3%)

Emerging groups

From 2001 to 2021, Cooks River Catchment area's population increased by 136,198 people (34.9%). This represents an average annual population change of 1.51% per year over the period.

The largest changes in age structure in this area between 2001 and 2021 were in the age groups:

  • 25 to 29 (+22,193 persons)
  • 30 to 34 (+21,481 persons)
  • 35 to 39 (+12,650 persons)
  • 20 to 24 (+11,562 persons)

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