City of KnoxCommunity profile
Skip to content

City of Knox

Five year age groups

There were 2,528 people over the age of 85 living in the City of Knox in 2011, with largest age group being 45 to 49 year olds.

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.

Derived from the Census question:

'What is the person's date of birth (or age last birthday)?'

Total population

Age structure - Five year age groups
City of Knox - Total persons (Usual residence)20112006Change
Five year age groups (years)Number%Greater Melbourne %Number%Greater Melbourne %2006 to 2011
0 to 48,9286.06.58,9926.16.3-64
5 to 98,9916.06.09,9276.86.3-936
10 to 149,7316.55.910,9787.56.4-1,247
15 to 1910,8747.36.311,4327.86.7-558
20 to 2410,2786.97.510,0806.97.4+198
25 to 299,3186.27.98,8116.07.1+507
30 to 349,4476.37.59,7726.77.7-325
35 to 3910,3616.97.511,1637.67.9-802
40 to 4411,1367.57.511,3907.87.5-254
45 to 4911,3757.66.911,6277.97.2-252
50 to 5411,1487.56.410,7407.36.4+408
55 to 599,9476.75.69,5056.55.9+442
60 to 648,7895.95.16,7644.64.5+2,025
65 to 696,1234.13.94,7823.33.6+1,341
70 to 744,5133.03.03,4652.43.0+1,048
75 to 793,2762.22.42,9772.02.6+299
80 to 842,5371.72.02,2821.62.0+255
85 and over2,5281.71.82,0511.41.6+477

Source: Australian Bureau of Statistics, Census of Population and Housing 2006 and 2011. Compiled and presented by .id , the population experts.

Age structure - five year age groups, 2011
Age structure - five year age groups, 2011 85 and over, Greater Melbourne: 1.8% 80 to 84, Greater Melbourne: 2.0% 75 to 79, Greater Melbourne: 2.4% 70 to 74, Greater Melbourne: 3.0% 65 to 69, Greater Melbourne: 3.9% 60 to 64, Greater Melbourne: 5.1% 55 to 59, Greater Melbourne: 5.6% 50 to 54, Greater Melbourne: 6.4% 45 to 49, Greater Melbourne: 6.9% 40 to 44, Greater Melbourne: 7.5% 35 to 39, Greater Melbourne: 7.5% 30 to 34, Greater Melbourne: 7.5% 25 to 29, Greater Melbourne: 7.9% 20 to 24, Greater Melbourne: 7.5% 15 to 19, Greater Melbourne: 6.3% 10 to 14, Greater Melbourne: 5.9% 5 to 9, Greater Melbourne: 6.0% 0 to 4, Greater Melbourne: 6.5% 85 and over, City of Knox: 1.7% 80 to 84, City of Knox: 1.7% 75 to 79, City of Knox: 2.2% 70 to 74, City of Knox: 3.0% 65 to 69, City of Knox: 4.1% 60 to 64, City of Knox: 5.9% 55 to 59, City of Knox: 6.7% 50 to 54, City of Knox: 7.5% 45 to 49, City of Knox: 7.6% 40 to 44, City of Knox: 7.5% 35 to 39, City of Knox: 6.9% 30 to 34, City of Knox: 6.3% 25 to 29, City of Knox: 6.2% 20 to 24, City of Knox: 6.9% 15 to 19, City of Knox: 7.3% 10 to 14, City of Knox: 6.5% 5 to 9, City of Knox: 6.0% 0 to 4, City of Knox: 6.0%
Source: Australian Bureau of Statistics, Census of Population and Housing, 2011 (Usual residence data)
Compiled and presented in profile.id by .id, the population experts.
Change in age structure - five year age groups, 2006 to 2011
Change in age structure - five year age groups, 2006 to 2011 85 and over, City of Knox: +477 80 to 84, City of Knox: +255 75 to 79, City of Knox: +299 70 to 74, City of Knox: +1,048 65 to 69, City of Knox: +1,341 60 to 64, City of Knox: +2,025 55 to 59, City of Knox: +442 50 to 54, City of Knox: +408 45 to 49, City of Knox: -252 40 to 44, City of Knox: -254 35 to 39, City of Knox: -802 30 to 34, City of Knox: -325 25 to 29, City of Knox: +507 20 to 24, City of Knox: +198 15 to 19, City of Knox: -558 10 to 14, City of Knox: -1,247 5 to 9, City of Knox: -936 0 to 4, City of Knox: -64
Source: Australian Bureau of Statistics, Census of Population and Housing, 2006 and 2011 (Usual residence data)
Compiled and presented in profile.id by .id, the population experts.

Dominant groups

Analysis of the five year age groups of the City of Knox in 2011 compared to Greater Melbourne shows that there was a similar proportion of people in the younger age groups (under 15) as well as a similar proportion of people in the older age groups (65+).

Overall, 18.5% of the population was aged between 0 and 15, and 12.7% were aged 65 years and over, compared with 18.5% and 13.1% respectively for Greater Melbourne.

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

  • A larger percentage of persons aged 55 to 59 (6.7% compared to 5.6%)
  • A larger percentage of persons aged 50 to 54 (7.5% compared to 6.4%)
  • A smaller percentage of persons aged 25 to 29 (6.2% compared to 7.9%)
  • A smaller percentage of persons aged 30 to 34 (6.3% compared to 7.5%)

Emerging groups

From 2006 to 2011, City of Knox's population increased by 2,562 people (1.7%). This represents an average annual population change of 0.35% per year over the period.

The largest changes in age structure in this area between 2006 and 2011 were in the age groups:

  • 60 to 64 (+2,025 persons)
  • 65 to 69 (+1,341 persons)
  • 10 to 14 (-1,247 persons)
  • 70 to 74 (+1,048 persons)