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City of OnkaparingaCommunity profile

Christie Downs

Five year age groups

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In 2021, the largest age group in Christie Downs was 70 to 74 year olds. The group that changed the most since 2001 was 65 to 69 year olds, increasing by 97 people.

The Age Structure of Christie Downs provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Christie Downs'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 Christie Downs'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
Christie Downs - Total females (Usual residence)20212001Change
Five year age groups (years)Number%Happy Valley %Number%Happy Valley %2001 to 2021
0 to 41294.95.41516.16.2-22
5 to 91606.15.01255.07.3+35
10 to 141555.95.71516.18.1+4
15 to 191325.05.71676.78.8-35
20 to 241315.04.71576.36.6-26
25 to 291756.75.41455.86.2+30
30 to 341586.06.71305.27.1+28
35 to 391826.96.81506.08.1+32
40 to 441716.56.41506.09.7+21
45 to 491445.55.82259.010.1-81
50 to 541425.46.02289.28.9-86
55 to 591606.15.81506.03.9+10
60 to 641465.66.91084.31.7+38
65 to 691766.77.0793.21.8+97
70 to 741867.16.41245.01.7+62
75 to 791144.33.91134.51.9+1
80 to 84823.13.0642.61.1+18
85 and over813.13.4712.90.7+10
Total population2,624100.0100.02,488100.0100.0+136
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 Christie Downs in 2021 compared to Happy Valley shows that there was a higher proportion of females in the younger age groups (under 15) as well as a higher proportion of females in the older age groups (65+).

Overall, 16.9% of the female population was aged between 0 and 15, and 24.4% were aged 65 years and over, compared with 16.0% and 23.8% respectively for Happy Valley.

The major differences between the female age structure of Christie Downs and Happy Valley were:

  • A larger percentage of females aged 25 to 29 (6.7% compared to 5.4%)
  • A larger percentage of females aged 5 to 9 (6.1% compared to 5.0%)
  • A smaller percentage of females aged 60 to 64 (5.6% compared to 6.9%)
  • A smaller percentage of females aged 30 to 34 (6.0% compared to 6.7%)

Emerging groups

From 2001 to 2021, Christie Downs's female population increased by 136 people (5.5%). This represents an average annual population change of 0.27% per year over the period.

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

  • 65 to 69 (+97 females)
  • 50 to 54 (-86 females)
  • 45 to 49 (-81 females)
  • 70 to 74 (+62 females)

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