19,846 ▲ +16.1%
Higher than 89% of statistical area 2 (sa2) 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 · Statistical Area 2 (SA2)
Demographics & Identity in Mount Martha
Who lives here — how many people, how old they are, and how communities identify.
Far older residents are a defining feature of Mount Martha, where the typical person is 46. This is eight years older than the national figure. The population has grown by 16% since 2011, reaching 19,846 people.
19,846
▲ +16.1%
- 1–1: 40 areas
- 1–2: 0 areas
- 2–3: 0 areas
- 3–4: 12 areas
- 4–6: 6 areas
- 6–9: 9 areas
- 9–13: 10 areas
- 13–19: 7 areas
- 19–27: 17 areas
- 27–39: 6 areas
- 39–56: 5 areas
- 56–81: 4 areas
- 81–116: 1 area
- 116–168: 5 areas
- 168–242: 3 areas
- 242–349: 4 areas
- 349–503: 2 areas
- 503–725: 9 areas
- 725–1,045: 3 areas
- 1,045–1,506: 5 areas
- 1,506–2,171: 31 areas
- 2,171–3,130: 83 areas
- 3,130–4,513: 217 areas
- 4,513–6,507: 318 areas
- 6,507–9,382: 402 areas
- 9,382–13,526: 546 areas
- 13,526–19,501: 496 areas
- 19,501–28,116: 231 areas
All statistical area 2 (sa2) areas, 2021. The marker is Mount Martha — higher than 89% of areas.
Population
How many people, and the typical age.
The typical resident is 46, which is far older than the national figure of 38. This age has climbed by five years since 2011.
46 yrs ▲ +12.2%
Older than 81% of statistical area 2 (sa2) 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 area, which is well above the 17.2% national figure. While the proportion of children under 15 is a little above the state average at 19.2%, this group fell 2.7 points since 2011.
23.8% ▲ +27.4%
Higher than 82% of statistical area 2 (sa2) 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 statistical area 2 (sa2) 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.
Most of the population are married at 56.4%, while those in de facto relationships are at 9.2%, which is a little below the national figure. People identifying as Aboriginal or Torres Strait Islander make up 0.6%, which is much lower than most areas.
0.6% ▲ +104.9%
Lower than 85% of statistical area 2 (sa2) 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 77% of statistical area 2 (sa2) 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/sa2/214021382/mount-martha/topic/demographics-identity