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City of WhittleseaCommunity profile

Donnybrook

Five year age groups

In 2021, the largest age group in Donnybrook was 30 to 34 year olds. The group that changed the most since 2016 was 30 to 34 year olds, increasing by 367 people.

The Age Structure of Donnybrook provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Donnybrook'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 Donnybrook'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
Donnybrook - Total persons (Usual residence)20212016Change
Five year age groups (years)Number%South Morang %Number%South Morang %2016 to 2021
0 to 424611.75.753.07.3+241
5 to 91778.46.653.08.0+172
10 to 141085.17.3137.77.8+95
15 to 19612.97.0137.76.8+48
20 to 241386.66.763.66.3+132
25 to 2928413.56.8116.56.2+273
30 to 3437718.07.0106.07.6+367
35 to 3929514.17.531.88.4+292
40 to 441266.07.6158.98.3+111
45 to 49653.17.5116.57.7+54
50 to 54693.37.1137.76.0+56
55 to 59432.05.6148.34.6+29
60 to 64492.34.3169.53.6+33
65 to 69341.63.4116.53.1+23
70 to 74110.53.0106.02.3+1
75 to 79100.52.374.22.1+3
80 to 840--1.953.01.8-5
85 and over60.32.60--2.2+6
Total population2,099100.0100.0168100.0100.0+1,931
Source: Australian Bureau of Statistics, Census of Population and Housing 2016 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 Donnybrook in 2021 compared to South Morang 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, 25.3% of the population was aged between 0 and 15, and 2.9% were aged 65 years and over, compared with 19.6% and 13.3% respectively for South Morang.

The major differences between the age structure of Donnybrook and South Morang were:

  • A larger percentage of persons aged 30 to 34 (18.0% compared to 7.0%)
  • A larger percentage of persons aged 25 to 29 (13.5% compared to 6.8%)
  • A larger percentage of persons aged 35 to 39 (14.1% compared to 7.5%)
  • A larger percentage of persons aged 0 to 4 (11.7% compared to 5.7%)

Emerging groups

From 2016 to 2021, Donnybrook's population increased by 1,931 people (1149.4%). This represents an average annual population change of 65.71% per year over the period.

The largest changes in age structure in this area between 2016 and 2021 were in the age groups:

  • 30 to 34 (+367 persons)
  • 35 to 39 (+292 persons)
  • 25 to 29 (+273 persons)
  • 0 to 4 (+241 persons)

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