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Blacktown City CouncilCommunity profile

Plumpton

Five year age groups

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In 2021, the largest age group in Plumpton was 10 to 14 year olds. The group that changed the most since 1991 was 50 to 54 year olds, increasing by 315 people.

The Age Structure of Plumpton provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Plumpton'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 Plumpton'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
Plumpton - Total females (Enumerated)20211991Change
Five year age groups (years)Number%WSROC Region %Number%WSROC Region %1991 to 2021
0 to 42985.86.525713.38.2+41
5 to 93717.36.921110.98.0+160
10 to 144188.26.51638.57.8+255
15 to 193787.45.81367.18.2+242
20 to 243707.36.519310.08.4+176
25 to 293647.17.324212.58.4+122
30 to 343426.78.124512.78.6+97
35 to 393817.58.21769.27.9+204
40 to 443506.96.91085.67.6+241
45 to 493326.56.3603.25.6+271
50 to 543536.96.0371.94.6+315
55 to 593136.15.6261.43.7+287
60 to 642795.55.3181.03.6+260
65 to 692064.04.4281.53.3+177
70 to 741252.53.6181.02.5+106
75 to 79631.22.450.31.8+58
80 to 84701.41.70--1.1+70
85 and over881.71.80--0.7+88
Total population5,101100.0100.01,931100.0100.0+3,169
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 female five year age groups of Plumpton 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, 21.3% of the female population was aged between 0 and 15, and 10.8% 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 Plumpton and WSROC Region were:

  • A larger percentage of females aged 10 to 14 (8.2% compared to 6.5%)
  • A larger percentage of females aged 15 to 19 (7.4% compared to 5.8%)
  • A smaller percentage of females aged 30 to 34 (6.7% compared to 8.1%)
  • A smaller percentage of females aged 75 to 79 (1.2% compared to 2.4%)

Emerging groups

From 1991 to 2021, Plumpton's female population increased by 3,170 people (164.2%). This represents an average annual population change of 3.29% per year over the period.

The largest changes in female age structure in this area between 1991 and 2021 were in the age groups:

  • 50 to 54 (+315 females)
  • 55 to 59 (+287 females)
  • 45 to 49 (+271 females)
  • 60 to 64 (+260 females)

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