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City of KnoxCommunity profile

City of Knox

Five year age groups

In 2021, the largest age group in the City of Knox was 35 to 39 year olds. The group that changed the most since 2016 was 70 to 74 year olds, increasing by 934 people.

The Age Structure of the City of Knox 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 City of Knox'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 City of Knox'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
City of Knox - Total males (Enumerated)20212016Change
Five year age groups (years)Number%Greater Melbourne %Number%Greater Melbourne %2016 to 2021
0 to 44,3045.66.24,6176.26.7-313
5 to 94,8116.26.54,7436.46.5+68
10 to 144,9496.46.24,5856.26.0+364
15 to 194,8416.25.85,0596.86.3-218
20 to 245,0176.57.05,1997.07.7-182
25 to 294,8136.28.04,9186.68.1-105
30 to 345,1806.78.25,0576.88.2+123
35 to 395,5127.18.15,0146.77.4+498
40 to 445,3396.97.05,0096.77.0+330
45 to 495,1526.66.55,1606.96.8-8
50 to 545,1616.76.25,2197.06.2-58
55 to 595,0656.55.64,9966.75.6+69
60 to 644,6836.05.04,3265.84.8+357
65 to 693,9315.14.13,7355.04.2+196
70 to 743,4084.43.62,4743.33.1+934
75 to 792,3223.02.61,8862.52.3+436
80 to 841,6912.21.81,2311.71.6+460
85 and over1,3581.81.61,1101.51.5+248
Total population77,537100.0100.074,338100.0100.0+3,199
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 City of Knox in 2021 compared to Greater Melbourne 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, 18.1% of the male population was aged between 0 and 15, and 16.4% were aged 65 years and over, compared with 19.0% and 13.7% respectively for Greater Melbourne.

The major differences between the male age structure of the City of Knox and Greater Melbourne were:

  • A larger percentage of males aged 60 to 64 (6.0% compared to 5.0%)
  • A smaller percentage of males aged 25 to 29 (6.2% compared to 8.0%)
  • A smaller percentage of males aged 30 to 34 (6.7% compared to 8.2%)
  • A smaller percentage of males aged 35 to 39 (7.1% compared to 8.1%)

Emerging groups

From 2016 to 2021, City of Knox's male population increased by 3,199 people (4.3%). This represents an average annual population change of 0.85% per year over the period.

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

  • 70 to 74 (+934 males)
  • 35 to 39 (+498 males)
  • 80 to 84 (+460 males)
  • 75 to 79 (+436 males)

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