19,846 ▲ +16.1%
Higher than 89% of suburb / locality areas.
- 2011: 17,087
- 2016: 18,548
- 2021: 19,846
The number of people who usually live in the area, counted on Census night.
Mount Martha · Suburb / Locality
Demographics & Identity in Mount Martha
Who lives here — how many people, how old they are, and how communities identify.
More than half of residents in Mount Martha are married, reflecting a stable adult population. This large community is far older than the national average, with a typical resident aged 46.
19,846
▲ +16.1%
- 1–1: 689 areas
- 1–2: 0 areas
- 2–3: 119 areas
- 3–5: 108 areas
- 5–7: 243 areas
- 7–11: 241 areas
- 11–16: 514 areas
- 16–24: 579 areas
- 24–36: 898 areas
- 36–53: 1059 areas
- 53–79: 1168 areas
- 79–117: 1203 areas
- 117–174: 1171 areas
- 174–258: 1010 areas
- 258–384: 856 areas
- 384–571: 670 areas
- 571–850: 616 areas
- 850–1,263: 567 areas
- 1,263–1,879: 520 areas
- 1,879–2,794: 590 areas
- 2,794–4,154: 679 areas
- 4,154–6,177: 585 areas
- 6,177–9,186: 528 areas
- 9,186–13,659: 405 areas
- 13,659–20,311: 195 areas
- 20,311–30,202: 96 areas
- 30,202–44,910: 33 areas
- 44,910–66,781: 10 areas
All suburb / locality areas, 2021. The marker is Mount Martha — higher than 89% of areas.
Population
How many people, and the typical age.
Mount Martha is among the largest areas of its kind with 19,846 people. The typical resident is 46, which is far older than the typical person in Victoria or Australia.
46 yrs ▲ +12.2%
Older than 54% of suburb / locality areas.
- 2011: 41 yrs
- 2016: 43 yrs
- 2021: 46 yrs
Half the population is older than this age, and half younger.
Age profile
How the population splits across age groups.
Seniors aged 65 and over make up 23.8% of the population, a figure well above the national average. Children under 15 also have a strong presence at 19.2%, which is a little above the state figure.
23.8% ▲ +27.4%
Higher than 72% of suburb / locality areas.
- 2011: 18.7%
- 2016: 20.4%
- 2021: 23.8%
Share of the population aged 65 years and over.
19.2% ▼ -12.5%
Higher than 65% of suburb / locality areas.
- 2011: 22.0%
- 2016: 21.4%
- 2021: 19.2%
Share of the population aged under 15 years.
Age structure
View on map →Mount Martha splits fairly evenly between Older adults (45–64) (28%) and Seniors (65+) (24%), with Children (0–14) at 19%.
Identity & relationships
First Nations identity and marital status.
Only 0.6% of people identify as Aboriginal or Torres Strait Islander, which is lower than most areas. Those in de facto relationships make up 9.2% of the population, a little below the national figure.
0.6% ▲ +113.5%
Lower than 65% of suburb / locality areas.
- 2011: 0.3%
- 2016: 0.3%
- 2021: 0.6%
Share of people who identify as Aboriginal and/or Torres Strait Islander.
9.2% ▲ +12.9%
Lower than 73% of suburb / locality areas.
- 2011: 8.1%
- 2016: 9.4%
- 2021: 9.2%
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
Marital status
View on map →In Mount Martha, Married is the majority at 56%; Never married is next at 26%.
Age & sex structure
Sources
- Census of Population and Housing — Australian Bureau of Statistics, 2021 (CC BY 4.0).
More for Mount Martha
Cite this page
Australian Bureau of Statistics. (2021). Demographics & Identity in Mount Martha [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sal/SAL21803/mount-martha/topic/demographics-identity