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City of CaseyCommunity profile

Lynbrook

Five year age groups

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In 2021, the largest age group in Lynbrook was 35 to 39 year olds. The group that changed the most since 2001 was 10 to 14 year olds, increasing by 621 people.

The Age Structure of Lynbrook provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Lynbrook'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 Lynbrook'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
Lynbrook - Total persons (Usual residence)20212001Change
Five year age groups (years)Number%City of Casey %Number%City of Casey %2001 to 2021
0 to 46597.27.617610.08.7+482
5 to 97107.87.91749.99.4+536
10 to 147458.27.21247.08.3+621
15 to 196397.06.3874.97.4+552
20 to 247007.76.71227.06.3+577
25 to 296156.77.222412.77.2+390
30 to 346347.08.019010.88.9+443
35 to 397498.28.71749.99.0+574
40 to 446897.67.21478.48.3+542
45 to 496607.26.4985.66.9+561
50 to 546206.86.0734.15.7+547
55 to 594755.25.3543.14.0+421
60 to 643964.34.6422.42.9+354
65 to 692592.83.6372.12.3+221
70 to 742092.32.9191.11.9+189
75 to 791301.41.980.51.4+122
80 to 84911.01.370.40.8+84
85 and over1391.51.200.00.6+138
Total population9,119100.0100.01,764100.0100.0+7,355
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 Lynbrook in 2021 compared to the City of Casey 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, 23.2% of the population was aged between 0 and 15, and 9.1% were aged 65 years and over, compared with 22.7% and 10.8% respectively for the City of Casey.

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

  • A larger percentage of persons aged 20 to 24 (7.7% compared to 6.7%)
  • A larger percentage of persons aged 10 to 14 (8.2% compared to 7.2%)
  • A larger percentage of persons aged 50 to 54 (6.8% compared to 6.0%)
  • A smaller percentage of persons aged 30 to 34 (7.0% compared to 8.0%)

Emerging groups

From 2001 to 2021, Lynbrook's population increased by 7,355 people (417.0%). This represents an average annual population change of 8.56% per year over the period.

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

  • 10 to 14 (+621 persons)
  • 20 to 24 (+577 persons)
  • 35 to 39 (+574 persons)
  • 45 to 49 (+561 persons)

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