Mornington Peninsula ShireCommunity profile
Skip to content

Mount Martha

Five year age groups

In 2021, the largest age group in Mount Martha was 10 to 14 year olds. The group that changed the most since 2016 was 75 to 79 year olds, increasing by 117 people.

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?'

Total population

Age structure - Five year age groups
Mount Martha - Total males (Usual residence)20212016Change
Five year age groups (years)Number%Mornington Peninsula Shire %Number%Mornington Peninsula Shire %2016 to 2021
0 to 44544.85.15616.25.5-107
5 to 96606.95.97398.26.5-79
10 to 148298.76.47588.46.4+71
15 to 197477.96.16467.26.2+101
20 to 244384.65.04044.55.3+34
25 to 292542.74.22402.74.3+14
30 to 342923.14.63213.64.3-29
35 to 394314.55.04885.44.9-57
40 to 445926.25.37057.86.3-113
45 to 497247.66.47508.36.8-26
50 to 547497.96.76417.16.7+108
55 to 596266.66.75265.96.6+100
60 to 645706.06.74795.36.6+91
65 to 695425.76.94895.47.0+53
70 to 745555.87.04465.06.0+109
75 to 794704.95.53533.94.6+117
80 to 843123.33.62352.63.1+77
85 and over2622.83.12032.32.7+59

Source: Australian Bureau of Statistics, Census of Population and Housing 2016 and 2021. Compiled and presented by .id (informed decisions).

Age structure - five year age groups, 2021
Age structure - five year age groups, 2021 85 and over, Mornington Peninsula Shire: 3.1% 80 to 84, Mornington Peninsula Shire: 3.6% 75 to 79, Mornington Peninsula Shire: 5.5% 70 to 74, Mornington Peninsula Shire: 7.0% 65 to 69, Mornington Peninsula Shire: 6.9% 60 to 64, Mornington Peninsula Shire: 6.7% 55 to 59, Mornington Peninsula Shire: 6.7% 50 to 54, Mornington Peninsula Shire: 6.7% 45 to 49, Mornington Peninsula Shire: 6.4% 40 to 44, Mornington Peninsula Shire: 5.3% 35 to 39, Mornington Peninsula Shire: 5.0% 30 to 34, Mornington Peninsula Shire: 4.6% 25 to 29, Mornington Peninsula Shire: 4.2% 20 to 24, Mornington Peninsula Shire: 5.0% 15 to 19, Mornington Peninsula Shire: 6.1% 10 to 14, Mornington Peninsula Shire: 6.4% 5 to 9, Mornington Peninsula Shire: 5.9% 0 to 4, Mornington Peninsula Shire: 5.1% 85 and over, Mount Martha: 2.8% 80 to 84, Mount Martha: 3.3% 75 to 79, Mount Martha: 4.9% 70 to 74, Mount Martha: 5.8% 65 to 69, Mount Martha: 5.7% 60 to 64, Mount Martha: 6.0% 55 to 59, Mount Martha: 6.6% 50 to 54, Mount Martha: 7.9% 45 to 49, Mount Martha: 7.6% 40 to 44, Mount Martha: 6.2% 35 to 39, Mount Martha: 4.5% 30 to 34, Mount Martha: 3.1% 25 to 29, Mount Martha: 2.7% 20 to 24, Mount Martha: 4.6% 15 to 19, Mount Martha: 7.9% 10 to 14, Mount Martha: 8.7% 5 to 9, Mount Martha: 6.9% 0 to 4, Mount Martha: 4.8%
Source: Australian Bureau of Statistics, Census of Population and Housing, 2021 (Usual residence data)
Compiled and presented in profile.id by .id (informed decisions).
Change in age structure - five year age groups, 2016 to 2021
Change in age structure - five year age groups, 2016 to 2021 85 and over, Mount Martha: +59 80 to 84, Mount Martha: +77 75 to 79, Mount Martha: +117 70 to 74, Mount Martha: +109 65 to 69, Mount Martha: +53 60 to 64, Mount Martha: +91 55 to 59, Mount Martha: +100 50 to 54, Mount Martha: +108 45 to 49, Mount Martha: -26 40 to 44, Mount Martha: -113 35 to 39, Mount Martha: -57 30 to 34, Mount Martha: -29 25 to 29, Mount Martha: +14 20 to 24, Mount Martha: +34 15 to 19, Mount Martha: +101 10 to 14, Mount Martha: +71 5 to 9, Mount Martha: -79 0 to 4, Mount Martha: -107
Source: Australian Bureau of Statistics, Census of Population and Housing, 2016 and 2021 (Usual residence data)
Compiled and presented in profile.id by .id (informed decisions).

Dominant groups

Analysis of the male five year age groups of Mount Martha in 2021 compared to Mornington Peninsula Shire shows that there was a higher proportion of males in the younger age groups (under 15) and a lower proportion of males in the older age groups (65+).

Overall, 20.4% of the male population was aged between 0 and 15, and 22.5% were aged 65 years and over, compared with 17.3% and 26.0% respectively for Mornington Peninsula Shire.

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

  • A larger percentage of males aged 10 to 14 (8.7% compared to 6.4%)
  • A larger percentage of males aged 15 to 19 (7.9% compared to 6.1%)
  • A smaller percentage of males aged 30 to 34 (3.1% compared to 4.6%)
  • A smaller percentage of males aged 25 to 29 (2.7% compared to 4.2%)

Emerging groups

From 2016 to 2021, Mount Martha's male population increased by 523 people (5.8%). This represents an average annual population change of 1.14% per year over the period.

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

  • 75 to 79 (+117 males)
  • 40 to 44 (-113 males)
  • 70 to 74 (+109 males)
  • 50 to 54 (+108 males)

v20.11.10-1.0.0