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City of JoondalupCommunity profile

In 2021, the largest age group in Iluka was 50 to 54 year olds. The group that changed the most since 2006 was 55 to 59 year olds, increasing by 429 people.

The Age Structure of Iluka provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Iluka'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 Iluka'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
Iluka - Total persons (Usual residence)20212006Change
Five year age groups (years)Number%City of Joondalup %Number%City of Joondalup %2006 to 2021
0 to 41903.45.32366.15.8-46
5 to 92955.26.33449.06.7-49
10 to 144437.87.041410.87.9+29
15 to 195149.16.440810.68.9+106
20 to 243936.95.61684.47.0+225
25 to 291713.04.6802.15.0+91
30 to 341472.65.51654.35.9-18
35 to 392113.76.73779.87.2-166
40 to 443396.06.745611.98.2-117
45 to 495018.87.044411.68.8+57
50 to 5462111.07.22666.98.1+355
55 to 5961610.96.91874.97.2+429
60 to 644868.66.71072.84.4+379
65 to 693235.76.0762.02.8+247
70 to 741943.45.3621.62.1+132
75 to 791101.93.1270.71.8+83
80 to 84581.01.8170.41.3+41
85 and over500.91.740.10.9+46
Total population5,662100.0100.03,838100.0100.0+1,824
Source: Australian Bureau of Statistics, Census of Population and Housing 2006 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 Iluka in 2021 compared to the City of Joondalup shows that there was a lower proportion of people in the younger age groups (under 15) as well as a lower proportion of people in the older age groups (65+).

Overall, 16.4% of the population was aged between 0 and 15, and 13.0% were aged 65 years and over, compared with 18.7% and 18.0% respectively for the City of Joondalup.

The major differences between the age structure of Iluka and the City of Joondalup were:

  • A larger percentage of persons aged 55 to 59 (10.9% compared to 6.9%)
  • A larger percentage of persons aged 50 to 54 (11.0% compared to 7.2%)
  • A smaller percentage of persons aged 35 to 39 (3.7% compared to 6.7%)
  • A smaller percentage of persons aged 30 to 34 (2.6% compared to 5.5%)

Emerging groups

From 2006 to 2021, Iluka's population increased by 1,824 people (47.5%). This represents an average annual population change of 2.63% per year over the period.

The largest changes in age structure in this area between 2006 and 2021 were in the age groups:

  • 55 to 59 (+429 persons)
  • 60 to 64 (+379 persons)
  • 50 to 54 (+355 persons)
  • 65 to 69 (+247 persons)

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