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Blacktown City CouncilCommunity profile

Ward 1

Five year age groups

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In 2021, the largest age group in Ward 1 was 35 to 39 year olds. The group that changed the most since 2001 was 35 to 39 year olds, increasing by 4,223 people.

The Age Structure of Ward 1 provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Ward 1'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 Ward 1'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
Ward 1 - Total females (Enumerated)20212001Change
Five year age groups (years)Number%WSROC Region %Number%WSROC Region %2001 to 2021
0 to 43,8908.06.51,4919.47.5+2,399
5 to 94,2918.96.91,3998.87.7+2,893
10 to 143,6717.66.51,2027.67.3+2,470
15 to 192,8135.85.81,0616.77.3+1,752
20 to 242,7965.86.51,1377.27.1+1,659
25 to 293,0636.37.31,4919.47.8+1,573
30 to 344,5339.48.11,61810.28.1+2,915
35 to 395,58411.58.21,3618.67.9+4,223
40 to 444,4349.26.91,2097.67.8+3,225
45 to 493,2666.76.39786.26.9+2,288
50 to 542,4635.16.08425.36.2+1,621
55 to 592,0464.25.65753.64.4+1,472
60 to 641,7263.65.33922.53.5+1,335
65 to 691,4032.94.43252.12.9+1,078
70 to 741,1632.43.62821.82.7+881
75 to 796041.22.42461.62.2+358
80 to 843850.81.71410.91.5+244
85 and over3230.71.8910.61.2+232
Total population48,458100.0100.015,841100.0100.0+32,618
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 Ward 1 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, 24.5% of the female population was aged between 0 and 15, and 8.0% 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 Ward 1 and WSROC Region were:

  • A larger percentage of females aged 35 to 39 (11.5% compared to 8.2%)
  • A larger percentage of females aged 40 to 44 (9.2% compared to 6.9%)
  • A larger percentage of females aged 5 to 9 (8.9% compared to 6.9%)
  • A smaller percentage of females aged 60 to 64 (3.6% compared to 5.3%)

Emerging groups

From 2001 to 2021, Ward 1's female population increased by 32,617 people (205.9%). This represents an average annual population change of 5.75% per year over the period.

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

  • 35 to 39 (+4,223 females)
  • 40 to 44 (+3,225 females)
  • 30 to 34 (+2,915 females)
  • 5 to 9 (+2,893 females)

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