168,948 ▲ +16.8%
Higher than 89% of sub-region (sa3) areas.
- 2011: 144,608
- 2016: 154,999
- 2021: 168,948
The number of people who usually live in the area, counted on Census night.
Mornington Peninsula · Sub-region (SA3)
Who lives here — how many people, how old they are, and how communities identify.
A typical resident in the Mornington Peninsula is 48, making the area far older than the national figure. This ageing trend is a major part of the local story, with the population growing by 17% to reach 168,948 people since 2011.
All sub-region (sa3) areas, 2021. The marker is Mornington Peninsula — higher than 89% of areas.
| Mornington Peninsula | 168,948 |
|---|---|
| Greater Melbourne | 4,917,750 |
| Victoria | 6,503,491 |
| Australia | 25,422,788 |
How many people, and the typical age.
The typical age of residents is 48, which is among the highest for similar areas and 10 years older than the national figure. This age has risen 5 years since 2011.
168,948 ▲ +16.8%
Higher than 89% of sub-region (sa3) areas.
The number of people who usually live in the area, counted on Census night.
48 yrs ▲ +11.6%
Older than 88% of sub-region (sa3) areas.
Half the population is older than this age, and half younger.
How the population splits across age groups.
Seniors aged 65 and over make up 27.2% of the population, a figure well above the national average. This helps explain why children under 15 make up a smaller share at 16.3%, which is a little below the national figure.
27.2% ▲ +26.4%
Higher than 93% of sub-region (sa3) areas.
Share of the population aged 65 years and over.
16.3% ▼ -11.3%
Lower than 72% of sub-region (sa3) areas.
Share of the population aged under 15 years.
Mornington Peninsula splits fairly evenly between Seniors (65+) (27%) and Older adults (45–64) (27%), with Young adults (25–44) at 19%.
First Nations identity and marital status.
Aboriginal and Torres Strait Islander people make up 1.0% of the population, which is much lower than most areas. Nearly half of the residents are married, while those in de facto relationships account for 11.7%.
1.0% ▲ +51.7%
Lower than 78% of sub-region (sa3) areas.
Share of people who identify as Aboriginal and/or Torres Strait Islander.
11.7% ▲ +24.5%
Lower than 61% of sub-region (sa3) areas.
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
In Mornington Peninsula, the largest group is Married at 50%, followed by Never married (30%) and Divorced (11%).
Australian Bureau of Statistics. (2021). Demographics & Identity in Mornington Peninsula [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa3/21402/mornington-peninsula/topic/demographics-identity