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City of BrimbankCommunity profile

St Albans District

Five year age groups

In 2021, the largest age group in the St Albans District was 25 to 29 year olds. The group that changed the most since 2016 was 20 to 24 year olds, decreasing by 351 people.

The Age Structure of the St Albans 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 St Albans 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 St Albans 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
St Albans District - Total males (Enumerated)20212016Change
Five year age groups (years)Number%Western Region %Number%Western Region %2016 to 2021
0 to 41,4565.97.41,6556.88.0-199
5 to 91,4996.07.61,3845.77.2+115
10 to 141,3595.56.61,3365.56.1+23
15 to 191,3545.55.71,4946.16.0-140
20 to 241,8867.66.62,2379.27.3-351
25 to 292,3109.37.92,3009.48.1+10
30 to 342,0198.18.52,0348.39.1-15
35 to 391,7657.19.21,5846.58.3+181
40 to 441,4445.87.71,3205.47.4+124
45 to 491,3175.36.51,4776.06.7-160
50 to 541,4495.85.81,4525.95.9-3
55 to 591,4565.95.11,3345.55.2+122
60 to 641,3415.44.41,3595.64.4-18
65 to 691,2605.13.71,3065.33.7-46
70 to 741,1564.73.08623.52.5+294
75 to 797723.12.06112.51.8+161
80 to 845462.21.34381.81.2+108
85 and over4171.71.02641.11.0+153
Total population24,806100.0100.024,447100.0100.0+359
Source: Australian Bureau of Statistics, Census of Population and Housing 2016 and 2021. Compiled and presented by .id (informed decisions).
Please refer to specific data notes for more information

Dominant groups

Analysis of the male five year age groups of the St Albans District in 2021 compared to Western Region shows that there was a lower proportion of males in the younger age groups (under 15) and a higher proportion of males in the older age groups (65+).

Overall, 17.4% of the male population was aged between 0 and 15, and 16.7% were aged 65 years and over, compared with 21.6% and 11.0% respectively for Western Region.

The major differences between the male age structure of the St Albans District and Western Region were:

  • A larger percentage of males aged 70 to 74 (4.7% compared to 3.0%)
  • A smaller percentage of males aged 35 to 39 (7.1% compared to 9.2%)
  • A smaller percentage of males aged 40 to 44 (5.8% compared to 7.7%)
  • A smaller percentage of males aged 5 to 9 (6.0% compared to 7.6%)

Emerging groups

From 2016 to 2021, St Albans District's male population increased by 359 people (1.5%). This represents an average annual population change of 0.29% per year over the period.

The largest changes in male age structure in this area between 2016 and 2021 were in the age groups:

  • 20 to 24 (-351 males)
  • 70 to 74 (+294 males)
  • 0 to 4 (-199 males)
  • 35 to 39 (+181 males)

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