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City of CaseyCommunity profile

City of Casey

Five year age groups

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In 2021, the largest age group in the City of Casey was 35 to 39 year olds. The group that changed the most since 2006 was 35 to 39 year olds, increasing by 13,587 people.

The Age Structure of the City of Casey provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of the City of Casey'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 the City of Casey'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
City of Casey - Total persons (Enumerated)20212006Change
Five year age groups (years)Number%Greater Melbourne %Number%Greater Melbourne %2006 to 2021
0 to 427,8447.75.916,6747.86.3+11,170
5 to 928,8627.96.317,7888.46.3+11,074
10 to 1426,3557.26.017,9518.46.5+8,404
15 to 1923,1206.45.616,1647.66.8+6,956
20 to 2424,2026.76.714,2826.77.4+9,920
25 to 2926,2547.27.814,4526.87.2+11,802
30 to 3429,3148.18.316,6267.87.7+12,688
35 to 3931,5798.78.117,9928.58.0+13,587
40 to 4426,3287.26.917,4628.27.6+8,866
45 to 4923,3836.46.515,9097.57.2+7,474
50 to 5421,6926.06.313,0826.16.4+8,610
55 to 5919,3415.35.610,6515.05.8+8,690
60 to 6416,5554.65.17,3703.54.4+9,185
65 to 6912,9413.64.35,2682.53.5+7,673
70 to 7410,2512.83.84,0051.92.9+6,246
75 to 796,9981.92.83,2731.52.6+3,725
80 to 844,5761.32.02,2591.12.0+2,317
85 and over4,1581.12.01,5900.71.6+2,568
Total population363,753100.0100.0212,798100.0100.0+150,955
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 the City of Casey in 2021 compared to Greater Melbourne shows that there was a higher proportion of people in the younger age groups (under 15) and a lower proportion of people in the older age groups (65+).

Overall, 22.8% of the population was aged between 0 and 15, and 10.7% were aged 65 years and over, compared with 18.2% and 14.9% respectively for Greater Melbourne.

The major differences between the age structure of the City of Casey and Greater Melbourne were:

  • A larger percentage of persons aged 0 to 4 (7.7% compared to 5.9%)
  • A larger percentage of persons aged 5 to 9 (7.9% compared to 6.3%)
  • A larger percentage of persons aged 10 to 14 (7.2% compared to 6.0%)
  • A smaller percentage of persons aged 70 to 74 (2.8% compared to 3.8%)

Emerging groups

From 2006 to 2021, City of Casey's population increased by 150,955 people (70.9%). This represents an average annual population change of 3.64% per year over the period.

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

  • 35 to 39 (+13,587 persons)
  • 30 to 34 (+12,688 persons)
  • 25 to 29 (+11,802 persons)
  • 0 to 4 (+11,170 persons)

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