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City of OnkaparingaCommunity profile

Northern District

Five year age groups

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In 2021, the largest age group in the Northern District was 60 to 64 year olds. The group that changed the most since 2001 was 60 to 64 year olds, increasing by 959 people.

The Age Structure of the Northern District 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 Northern District'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 Northern District'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
Northern District - Total females (Usual residence)20212001Change
Five year age groups (years)Number%Huntfield Heights %Number%Huntfield Heights %2001 to 2021
0 to 41,0435.06.01,2056.18.6-163
5 to 91,1365.46.81,4127.18.7-276
10 to 141,2265.97.11,6078.18.5-381
15 to 191,1885.75.71,7708.98.4-582
20 to 241,0755.25.61,2206.16.8-146
25 to 291,0525.06.61,1445.77.5-92
30 to 341,2696.17.91,3176.67.7-49
35 to 391,4176.87.11,5657.98.2-148
40 to 441,4096.86.31,98210.07.3-573
45 to 491,3456.45.91,8889.57.6-544
50 to 541,3846.66.21,7018.56.7-317
55 to 591,3416.46.29574.84.5+383
60 to 641,5027.25.95432.72.6+959
65 to 691,3406.44.64282.22.1+911
70 to 741,2796.14.33491.82.2+929
75 to 797773.72.93992.01.3+377
80 to 844972.42.02261.10.7+270
85 and over5862.82.81890.90.5+397
Total population20,866100.0100.019,911100.0100.0+954
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 female five year age groups of the Northern District in 2021 compared to Huntfield Heights shows that there was a lower proportion of females in the younger age groups (under 15) and a higher proportion of females in the older age groups (65+).

Overall, 16.3% of the female population was aged between 0 and 15, and 21.5% were aged 65 years and over, compared with 20.0% and 16.7% respectively for Huntfield Heights.

The major differences between the female age structure of the Northern District and Huntfield Heights were:

  • A larger percentage of females aged 65 to 69 (6.4% compared to 4.6%)
  • A larger percentage of females aged 70 to 74 (6.1% compared to 4.3%)
  • A smaller percentage of females aged 30 to 34 (6.1% compared to 7.9%)
  • A smaller percentage of females aged 25 to 29 (5.0% compared to 6.6%)

Emerging groups

From 2001 to 2021, Northern District's female population increased by 955 people (4.8%). This represents an average annual population change of 0.23% per year over the period.

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

  • 60 to 64 (+959 females)
  • 70 to 74 (+929 females)
  • 65 to 69 (+911 females)
  • 15 to 19 (-582 females)

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