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Mornington Peninsula ShireCommunity profile

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

Mount Martha

Five year age groups

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

There were 512 people over the age of 85 living in Mount Martha in 2016, with largest age group being 45 to 49 year olds.

The Age Structure of Mount Martha provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Mount Martha'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 Mount Martha'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
Mount Martha - Total persons (Usual residence)20162011Change
Five year age groups (years)Number%Mornington Peninsula Shire %Number%Mornington Peninsula Shire %2011 to 2016
0 to 41,0875.95.21,1286.65.8-41
5 to 91,4567.96.21,2857.56.2+171
10 to 141,4317.76.01,2757.56.3+156
15 to 191,2386.75.81,0946.46.3+144
20 to 247344.04.86814.04.9+53
25 to 295002.74.24912.94.1+9
30 to 347414.04.57764.54.5-35
35 to 391,0615.75.11,2057.16.2-144
40 to 441,4577.96.51,5108.87.1-53
45 to 491,6288.87.01,2807.56.9+348
50 to 541,2997.06.71,0836.36.7+216
55 to 591,1166.06.89415.56.4+175
60 to 649995.46.81,1456.77.0-146
65 to 691,1176.07.39925.86.3+125
70 to 749505.16.27504.45.1+200
75 to 796913.74.65603.34.0+131
80 to 844892.63.24752.83.2+14
85 and over5122.83.34042.42.9+108
Total population18,506100.0100.017,075100.0100.0+1,431
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 Mount Martha in 2016 compared to Mornington Peninsula Shire shows that there was a higher proportion of people in the younger age groups (under 15) and a lower proportion of people in the older age groups (65+).

Overall, 21.5% of the population was aged between 0 and 15, and 20.3% were aged 65 years and over, compared with 17.3% and 24.6% respectively for Mornington Peninsula Shire.

The major differences between the age structure of Mount Martha and Mornington Peninsula Shire were:

  • A larger percentage of persons aged 10 to 14 (7.7% compared to 6.0%)
  • A larger percentage of persons aged 45 to 49 (8.8% compared to 7.0%)
  • A larger percentage of persons aged 5 to 9 (7.9% compared to 6.2%)
  • A smaller percentage of persons aged 25 to 29 (2.7% compared to 4.2%)

Emerging groups

From 2011 to 2016, Mount Martha's population increased by 1,431 people (8.4%). This represents an average annual population change of 1.62% per year over the period.

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

  • 45 to 49 (+348 persons)
  • 50 to 54 (+216 persons)
  • 70 to 74 (+200 persons)
  • 55 to 59 (+175 persons)