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Colac Otway ShireCommunity profile

2016 Census data has been released and we are busy processing it to update this website. View our latest releases here.

Colac Otway Shire

Five year age groups

This topic has been updated with 2016 Census data for all areas. What's this?

There were 585 people over the age of 85 living in Colac Otway Shire in 2016, with largest age group being 60 to 64 year olds.

The Age Structure of Colac Otway Shire provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Colac Otway Shire'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 Colac Otway Shire'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?'

Age structure - Five year age groups
Colac Otway Shire - Total persons (Usual residence)20162011Change
Five year age groups (years)Number%Regional VIC %Number%Regional VIC %2011 to 2016
0 to 41,1665.65.81,2296.06.3-63
5 to 91,2676.06.31,2896.36.2-22
10 to 141,2626.06.11,3376.66.7-75
15 to 191,1915.76.11,3316.56.8-140
20 to 241,0815.25.51,0175.05.5+64
25 to 291,1055.35.41,0075.05.2+98
30 to 341,0955.25.59774.85.2+118
35 to 391,0555.05.41,1905.86.1-135
40 to 441,2155.86.11,3476.66.7-132
45 to 491,3866.66.61,4317.07.0-45
50 to 541,4376.96.81,4677.27.1-30
55 to 591,5567.47.11,4987.46.9+58
60 to 641,5937.66.91,4257.06.6+168
65 to 691,4647.06.61,0965.45.2+368
70 to 741,1055.34.98744.34.1+231
75 to 798324.03.66883.43.2+144
80 to 845662.72.65962.92.6-30
85 and over5852.82.75442.72.3+41
Total population20,961100.0100.020,343100.0100.0+618
Source: Australian Bureau of Statistics, Census of Population and Housing 2011 and 2016. Compiled and presented by .id , the population experts.

Please refer to specific data notes for more information

Dominant groups

Analysis of the five year age groups of Colac Otway Shire in 2016 compared to Regional VIC shows that there was a lower proportion of people in the younger age groups (under 15) and a higher proportion of people in the older age groups (65+).

Overall, 17.6% of the population was aged between 0 and 15, and 21.7% were aged 65 years and over, compared with 18.2% and 20.4% respectively for Regional VIC.

The major difference between the age structure of Colac Otway Shire and Regional VIC is:

  • A larger percentage of persons aged 60 to 64 (7.6% compared to 6.9%)

Emerging groups

From 2011 to 2016, Colac Otway Shire's population increased by 618 people (3.0%). This represents an average annual population change of 0.6% per year over the period.

The largest changes in age structure in this area between 2011 and 2016 were in the age groups:

  • 65 to 69 (+368 persons)
  • 70 to 74 (+231 persons)
  • 60 to 64 (+168 persons)
  • 75 to 79 (+144 persons)