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City of JoondalupCommunity profile

North-Central Ward

Five year age groups

In 2021, the largest age group in North-Central Ward was 50 to 54 year olds. The group that changed the most since 1991 was 60 to 64 year olds, increasing by 1,701 people.

The Age Structure of North-Central Ward provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of North-Central Ward'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 North-Central Ward'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
North-Central Ward - Total persons (Enumerated)20211991Change
Five year age groups (years)Number%Ocean Reef %Number%Ocean Reef %1991 to 2021
0 to 41,4565.24.31,90010.17.6-445
5 to 91,7776.35.92,18311.610.7-406
10 to 142,0067.17.91,8679.910.7+139
15 to 191,9376.97.71,3997.49.3+537
20 to 241,6906.06.21,0125.44.4+678
25 to 291,2914.63.61,4987.95.6-207
30 to 341,5095.34.22,10711.28.4-598
35 to 391,7116.15.12,09511.110.9-385
40 to 441,8866.76.41,7079.011.4+179
45 to 491,9646.97.19304.97.0+1,033
50 to 542,2548.08.75753.13.7+1,678
55 to 592,1507.67.84682.53.1+1,682
60 to 642,0867.47.33842.03.1+1,701
65 to 691,7016.06.93421.81.8+1,358
70 to 741,2884.65.12181.21.2+1,069
75 to 797272.62.71050.60.5+622
80 to 844551.61.7460.20.3+408
85 and over3801.31.5250.10.2+355
Total population28,268100.0100.018,868100.0100.0+9,399
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 North-Central Ward in 2021 compared to Ocean Reef shows that there was a similar proportion of people in the younger age groups (under 15) and a lower proportion of people in the older age groups (65+).

Overall, 18.5% of the population was aged between 0 and 15, and 16.1% were aged 65 years and over, compared with 18.0% and 17.8% respectively for Ocean Reef.

The major differences between the age structure of North-Central Ward and Ocean Reef were:

  • A larger percentage of persons aged 30 to 34 (5.3% compared to 4.2%)
  • A larger percentage of persons aged 35 to 39 (6.1% compared to 5.1%)
  • A larger percentage of persons aged 25 to 29 (4.6% compared to 3.6%)
  • A larger percentage of persons aged 0 to 4 (5.2% compared to 4.3%)

Emerging groups

From 1991 to 2021, North-Central Ward's population increased by 9,400 people (49.8%). This represents an average annual population change of 1.36% 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 (+1,701 persons)
  • 55 to 59 (+1,682 persons)
  • 50 to 54 (+1,678 persons)
  • 65 to 69 (+1,358 persons)

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