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Blacktown City CouncilCommunity profile

Colebee

Five year age groups

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In 2021, the largest age group in Colebee was 35 to 39 year olds. The group that changed the most since 2011 was 35 to 39 year olds, increasing by 285 people.

The Age Structure of Colebee provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Colebee'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 Colebee'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
Colebee - Total females (Usual residence)20212011Change
Five year age groups (years)Number%WSROC Region %Number%WSROC Region %2011 to 2021
0 to 42158.86.524.87.3+213
5 to 92209.06.825.96.7+217
10 to 141787.36.437.36.7+175
15 to 191616.65.837.36.8+158
20 to 241405.76.514.56.9+138
25 to 291425.87.426.27.8+139
30 to 342389.78.126.27.5+235
35 to 3928711.78.224.87.4+285
40 to 442138.76.938.77.1+209
45 to 491707.06.326.66.9+167
50 to 541375.66.026.66.6+134
55 to 591114.55.639.05.7+107
60 to 641034.25.325.24.9+101
65 to 69482.04.537.63.4+45
70 to 74451.83.724.82.7+43
75 to 79140.62.412.42.1+13
80 to 84130.51.701.01.7+13
85 and over100.41.801.01.7+10
Total population2,445100.0100.043100.0100.0+2,402
Source: Australian Bureau of Statistics, Census of Population and Housing 2011 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 Colebee in 2021 compared to WSROC Region shows that there was a higher proportion of females in the younger age groups (under 15) and a lower proportion of females in the older age groups (65+).

Overall, 25.1% of the female population was aged between 0 and 15, and 5.3% were aged 65 years and over, compared with 19.8% and 14.1% respectively for WSROC Region.

The major differences between the female age structure of Colebee and WSROC Region were:

  • A larger percentage of females aged 35 to 39 (11.7% compared to 8.2%)
  • A larger percentage of females aged 0 to 4 (8.8% compared to 6.5%)
  • A larger percentage of females aged 5 to 9 (9.0% compared to 6.8%)
  • A smaller percentage of females aged 65 to 69 (2.0% compared to 4.5%)

Emerging groups

From 2011 to 2021, Colebee's female population increased by 2,402 people (5586.0%). This represents an average annual population change of 49.79% per year over the period.

The largest changes in female age structure in this area between 2011 and 2021 were in the age groups:

  • 35 to 39 (+285 females)
  • 30 to 34 (+235 females)
  • 5 to 9 (+217 females)
  • 0 to 4 (+213 females)

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