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Mount Barker District CouncilCommunity profile

Mount Barker District Council

Five year age groups

In 2021, the largest age group in the Mount Barker District Council was 10 to 14 year olds. The group that changed the most since 2001 was 60 to 64 year olds, increasing by 1,472 people.

The Age Structure of the Mount Barker District Council 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 Mount Barker District Council'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 Mount Barker District Council'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
Mount Barker District Council - Total persons (Enumerated)20212001Change
Five year age groups (years)Number%Greater Adelaide %Number%Greater Adelaide %2001 to 2021
0 to 42,4806.45.41,7487.76.0+732
5 to 92,5146.55.91,8438.16.5+671
10 to 142,6436.95.91,9628.66.6+681
15 to 192,3476.15.71,6657.37.1+682
20 to 242,2465.86.61,1495.06.7+1,097
25 to 292,3506.17.01,3566.06.7+994
30 to 342,4486.47.01,7207.67.3+728
35 to 392,5776.77.01,8148.07.5+763
40 to 442,3756.26.31,9718.77.7+404
45 to 492,5606.76.31,7777.87.2+783
50 to 542,6326.86.41,6297.26.9+1,003
55 to 592,3646.16.21,1415.05.2+1,223
60 to 642,2505.85.97783.44.2+1,472
65 to 692,0895.45.26282.83.6+1,461
70 to 741,8724.94.86112.73.7+1,261
75 to 791,2613.33.44141.83.2+847
80 to 847401.92.43471.52.1+393
85 and over7391.92.62281.01.8+511
Total population38,487100.0100.022,781100.0100.0+15,706
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 the Mount Barker District Council in 2021 compared to Greater Adelaide 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, 19.8% of the population was aged between 0 and 15, and 17.4% were aged 65 years and over, compared with 17.3% and 18.5% respectively for Greater Adelaide.

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

  • A larger percentage of persons aged 0 to 4 (6.4% compared to 5.4%)
  • A larger percentage of persons aged 10 to 14 (6.9% compared to 5.9%)
  • A smaller percentage of persons aged 25 to 29 (6.1% compared to 7.0%)
  • A smaller percentage of persons aged 20 to 24 (5.8% compared to 6.6%)

Emerging groups

From 2001 to 2021, Mount Barker District Council's population increased by 15,706 people (68.9%). This represents an average annual population change of 2.66% per year over the period.

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

  • 60 to 64 (+1,472 persons)
  • 65 to 69 (+1,461 persons)
  • 70 to 74 (+1,261 persons)
  • 55 to 59 (+1,223 persons)

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