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City of BaysideCommunity profile

Castlefield Ward

Five year age groups

In 2021, the largest age group in Castlefield Ward was 50 to 54 year olds. The group that changed the most since 2006 was 50 to 54 year olds, increasing by 399 people.

The Age Structure of Castlefield Ward provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Castlefield Ward'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 Castlefield Ward'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
Castlefield Ward - Total persons (Enumerated)20212006Change
Five year age groups (years)Number%Highett Activity Centre %Number%Highett Activity Centre %2006 to 2021
0 to 45623.66.89166.67.7-354
5 to 99726.26.39927.15.9-20
10 to 141,3208.55.51,0837.85.6+237
15 to 191,3278.54.91,0677.74.7+260
20 to 248975.75.66674.85.7+230
25 to 295023.27.34323.17.0+69
30 to 344923.28.66064.48.4-115
35 to 397354.78.38826.39.5-147
40 to 449245.98.11,2218.88.7-298
45 to 491,2458.08.11,2569.07.1-11
50 to 541,4579.38.11,0577.66.0+399
55 to 591,2538.05.59937.15.3+260
60 to 649706.24.67205.23.6+250
65 to 697564.84.14423.22.5+314
70 to 747845.03.53982.93.2+386
75 to 795813.72.24072.93.2+173
80 to 843612.31.23862.82.9-26
85 and over4793.11.33932.83.0+86
Total population15,617100.0100.013,925100.0100.0+1,692
Source: Australian Bureau of Statistics, Census of Population and Housing 2006 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 Castlefield Ward in 2021 compared to Highett Activity Centre shows that there was a similar proportion of people in the younger age groups (under 15) and a higher proportion of people in the older age groups (65+).

Overall, 18.3% of the population was aged between 0 and 15, and 19.0% were aged 65 years and over, compared with 18.6% and 12.2% respectively for Highett Activity Centre.

The major differences between the age structure of Castlefield Ward and Highett Activity Centre were:

  • A larger percentage of persons aged 15 to 19 (8.5% compared to 4.9%)
  • A smaller percentage of persons aged 30 to 34 (3.2% compared to 8.6%)
  • A smaller percentage of persons aged 25 to 29 (3.2% compared to 7.3%)
  • A smaller percentage of persons aged 35 to 39 (4.7% compared to 8.3%)

Emerging groups

From 2006 to 2021, Castlefield Ward's population increased by 1,692 people (12.2%). This represents an average annual population change of 0.77% per year over the period.

The largest changes in age structure in this area between 2006 and 2021 were in the age groups:

  • 50 to 54 (+399 persons)
  • 70 to 74 (+386 persons)
  • 0 to 4 (-354 persons)
  • 65 to 69 (+314 persons)

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