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Mount Barker District CouncilCommunity profile

Greater Mount Barker

Five year age groups

In 2021, the largest age group in Greater Mount Barker was 30 to 34 year olds. The group that changed the most since 2016 was 25 to 29 year olds, increasing by 520 people.

The Age Structure of Greater Mount Barker provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Greater Mount Barker'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 Greater Mount Barker'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
Greater Mount Barker - Total persons (Usual residence)20212016Change
Five year age groups (years)Number%Mount Barker District Council %Number%Mount Barker District Council %2016 to 2021
0 to 41,9296.76.41,6457.06.4+283
5 to 91,9126.76.41,7157.37.1+196
10 to 141,9646.96.71,5976.86.7+366
15 to 191,7296.06.01,6697.16.9+60
20 to 241,7836.25.81,4476.25.7+336
25 to 291,9756.96.21,4556.25.5+520
30 to 341,9856.96.41,4986.46.0+486
35 to 391,9706.96.71,5386.56.1+431
40 to 441,8086.36.21,7247.37.2+84
45 to 491,8956.66.71,6827.27.4+213
50 to 541,8616.56.81,5376.56.9+324
55 to 591,6185.76.21,3875.96.7+230
60 to 641,4815.25.91,2885.56.0+193
65 to 691,4785.25.61,2235.25.5+255
70 to 741,3434.75.08873.84.0+455
75 to 799173.23.35172.22.4+400
80 to 845121.81.93551.51.7+157
85 and over4721.61.93461.51.9+126
Total population28,632100.0100.023,518100.0100.0+5,114
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 Greater Mount Barker in 2021 compared to the Mount Barker District Council 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, 20.3% of the population was aged between 0 and 15, and 16.5% were aged 65 years and over, compared with 19.5% and 17.7% respectively for the Mount Barker District Council.

The major differences between the age structure of Greater Mount Barker and the Mount Barker District Council were:

  • A larger percentage of persons aged 25 to 29 (6.9% compared to 6.2%)
  • A larger percentage of persons aged 30 to 34 (6.9% compared to 6.4%)
  • A smaller percentage of persons aged 60 to 64 (5.2% compared to 5.9%)
  • A smaller percentage of persons aged 55 to 59 (5.7% compared to 6.2%)

Emerging groups

From 2016 to 2021, Greater Mount Barker's population increased by 5,114 people (21.7%). This represents an average annual population change of 4.01% per year over the period.

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

  • 25 to 29 (+520 persons)
  • 30 to 34 (+486 persons)
  • 70 to 74 (+455 persons)
  • 35 to 39 (+431 persons)

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