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City of MeltonCommunity profile

Cobblebank

Five year age groups

In 2021, the largest age group in Cobblebank was 30 to 34 year olds. The group that changed the most since 2001 was 30 to 34 year olds, increasing by 560 people.

The Age Structure of Cobblebank provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Cobblebank'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 Cobblebank'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
Cobblebank - Total persons (Usual residence)20212001Change
Five year age groups (years)Number%Aintree %Number%Aintree %2001 to 2021
0 to 449913.912.906.43.0+498
5 to 941311.512.006.47.9+412
10 to 142416.76.7010.112.9+240
15 to 191734.83.909.06.9+172
20 to 241985.55.004.08.4+198
25 to 293419.58.005.95.7+341
30 to 3456115.613.807.84.2+560
35 to 3946713.015.705.95.2+467
40 to 442537.08.108.57.7+252
45 to 491403.94.4010.89.4+139
50 to 54922.62.808.011.4+91
55 to 59752.12.005.08.2+75
60 to 64591.61.602.14.5+59
65 to 69501.41.501.73.2+50
70 to 74220.60.802.11.5+22
75 to 7970.20.302.4--+7
80 to 8440.10.201.4--+4
85 and over40.10.202.6--+4
Total population3,599100.0100.08100.0100.0+3,591
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 Cobblebank in 2021 compared to Aintree shows that there was a similar proportion of people in the younger age groups (under 15) and a lower proportion of people in the older age groups (65+).

Overall, 32.0% of the population was aged between 0 and 15, and 2.4% were aged 65 years and over, compared with 31.6% and 3.0% respectively for Aintree.

The major differences between the age structure of Cobblebank and Aintree were:

  • A larger percentage of persons aged 30 to 34 (15.6% compared to 13.8%)
  • A larger percentage of persons aged 25 to 29 (9.5% compared to 8.0%)
  • A smaller percentage of persons aged 35 to 39 (13.0% compared to 15.7%)
  • A smaller percentage of persons aged 40 to 44 (7.0% compared to 8.1%)

Emerging groups

From 2001 to 2021, Cobblebank's population increased by 3,591 people (44887.5%). This represents an average annual population change of 35.72% per year over the period.

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

  • 30 to 34 (+560 persons)
  • 0 to 4 (+498 persons)
  • 35 to 39 (+467 persons)
  • 5 to 9 (+412 persons)

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