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City of PlayfordCommunity profile

Hillbank

Five year age groups

In 2021, the largest age group in Hillbank was 25 to 29 year olds. The group that changed the most since 1991 was 60 to 64 year olds, increasing by 279 people.

The Age Structure of Hillbank provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Hillbank'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 Hillbank'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
Hillbank - Total persons (Enumerated)20211991Change
Five year age groups (years)Number%City of Playford %Number%City of Playford %1991 to 2021
0 to 43447.07.62249.99.8+120
5 to 93186.48.02089.29.3+110
10 to 142655.47.41366.07.6+129
15 to 193096.26.31526.77.5+157
20 to 243777.67.01818.08.6+196
25 to 293988.08.222810.19.3+170
30 to 343477.07.729413.08.7+53
35 to 393316.77.11878.36.8+144
40 to 442515.15.71767.86.0+75
45 to 493066.25.61265.64.7+180
50 to 543487.05.71125.04.5+236
55 to 593627.35.8853.84.5+277
60 to 643406.95.1612.74.3+279
65 to 692334.74.0452.03.4+188
70 to 741994.03.3291.32.2+170
75 to 79961.92.3110.51.5+85
80 to 84811.61.730.10.8+78
85 and over420.81.60--0.4+42
Total population4,947100.0100.02,258100.0100.0+2,689
Source: Australian Bureau of Statistics, Census of Population and Housing 1991 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 Hillbank in 2021 compared to the City of Playford shows that there was a lower proportion of people in the younger age groups (under 15) and a similar proportion of people in the older age groups (65+).

Overall, 18.7% of the population was aged between 0 and 15, and 13.2% were aged 65 years and over, compared with 23.0% and 12.8% respectively for the City of Playford.

The major differences between the age structure of Hillbank and the City of Playford were:

  • A larger percentage of persons aged 60 to 64 (6.9% compared to 5.1%)
  • A larger percentage of persons aged 55 to 59 (7.3% compared to 5.8%)
  • A smaller percentage of persons aged 10 to 14 (5.4% compared to 7.4%)
  • A smaller percentage of persons aged 5 to 9 (6.4% compared to 8.0%)

Emerging groups

From 1991 to 2021, Hillbank's population increased by 2,689 people (119.1%). This represents an average annual population change of 2.65% per year over the period.

The largest changes in age structure in this area between 1991 and 2021 were in the age groups:

  • 60 to 64 (+279 persons)
  • 55 to 59 (+277 persons)
  • 50 to 54 (+236 persons)
  • 20 to 24 (+196 persons)

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