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City of OnkaparingaCommunity profile

Morphett Vale

Five year age groups

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In 2021, the largest age group in Morphett Vale was 25 to 29 year olds. The group that changed the most since 1996 was 15 to 19 year olds, decreasing by 840 people.

The Age Structure of Morphett Vale provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Morphett Vale'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 Morphett Vale'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
Morphett Vale - Total persons (Enumerated)20211996Change
Five year age groups (years)Number%City of Onkaparinga %Number%City of Onkaparinga %1996 to 2021
0 to 41,3225.65.41,8087.67.7-486
5 to 91,3925.96.31,8107.68.0-418
10 to 141,2445.36.31,9918.38.7-747
15 to 191,2545.35.92,0948.87.8-840
20 to 241,4526.15.61,8737.86.8-421
25 to 291,6867.15.91,7987.56.9-112
30 to 341,6507.06.31,7447.37.8-94
35 to 391,5866.76.71,7757.48.5-189
40 to 441,3735.86.21,9178.08.4-544
45 to 491,4416.16.41,9498.28.3-508
50 to 541,5036.46.61,4296.05.5+74
55 to 591,4226.06.49033.83.7+519
60 to 641,4136.06.36382.73.0+775
65 to 691,4356.15.86902.93.0+745
70 to 741,3935.95.66312.62.6+762
75 to 791,0084.33.84491.91.7+559
80 to 845682.42.32751.21.0+293
85 and over5072.12.21260.50.6+381
Total population23,649100.0100.023,900100.0100.0-251
Source: Australian Bureau of Statistics, Census of Population and Housing 1996 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 Morphett Vale in 2021 compared to the City of Onkaparinga shows that there was a lower proportion of people in the younger age groups (under 15) and a higher proportion of people in the older age groups (65+).

Overall, 16.7% of the population was aged between 0 and 15, and 20.8% were aged 65 years and over, compared with 18.0% and 19.7% respectively for the City of Onkaparinga.

The major differences between the age structure of Morphett Vale and the City of Onkaparinga were:

  • A larger percentage of persons aged 25 to 29 (7.1% compared to 5.9%)
  • A larger percentage of persons aged 30 to 34 (7.0% compared to 6.3%)
  • A smaller percentage of persons aged 10 to 14 (5.3% compared to 6.3%)
  • A smaller percentage of persons aged 15 to 19 (5.3% compared to 5.9%)

Emerging groups

From 1996 to 2021, Morphett Vale's population decreased by 251 people (1.1%). This represents an average annual population change of -0.04% per year over the period.

The largest changes in age structure in this area between 1996 and 2021 were in the age groups:

  • 15 to 19 (-840 persons)
  • 60 to 64 (+775 persons)
  • 70 to 74 (+762 persons)
  • 10 to 14 (-747 persons)

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