Suburb in Mornington Peninsula

Mount Martha, VIC

Mount Martha had a population of 19,846 at the 2021 Census (+7.0% since 2016). Median age 46.3. Median weekly household income $2,098. Source: ABS Census 2021, via Censible. Census 2026 data arrives June 2027.

Mount Martha at a glance

What the 2021 Census says, compared with Victoria.

In Mornington Peninsula

Between the 2016 and 2021 censuses, Mount Martha's population grew by 7.0% to 19,846, slower than Victoria as a whole (+9.7%). With a median age of 46.3, it is older than the VIC average (37.9). Children under 10 make up 11.2% of residents, and people aged 70 and over 17.9%.

12.2% of households rent, a smaller share than the VIC average of 28.9%. 42.7% own their home outright. Almost every home is a house; flats and apartments are 0.3% of homes. The 2021 Census counted 7,022 households.

The median household earns $2,098 a week, above the VIC average of $1,759. Renters pay a median $498 a week, and households with a mortgage repay $2,171 a month.

20.9% of residents were born overseas, fewer than the VIC average of 31.6%. 5.1% use a language other than English at home. 51.8% report no religion, higher than the VIC average (42.1%).

Key figures

2021 Census, Mount Martha beside VIC and Australia.

MeasureMount MarthaVICAustralia
Population19,8466,503,50325,422,828
Growth since 2016+7.0%+9.7%+8.6%
Median age46.337.938.2
Households7,0222,390,1729,275,123
Flats and apartments0.3%12.1%14.3%
Renting12.2%28.9%31.1%
Owned outright42.7%32.6%31.4%
Median household income a week$2,098$1,759$1,747
Median rent a week$498$368$376
Median mortgage repayment a month$2,171$1,867$1,866
Born overseas20.9%31.6%29.3%
Other language at home5.1%29.1%23.6%
No religion51.8%42.1%41.9%

Source: ABS Census 2021, via Censible. How the figures are built

Population and age

Each census since 2011, and the age profile in 2021.

Population

+7.0% since 2016.

Population · each census
  1. 17,0872011
  2. 18,5482016
  3. 19,8462021

Age

Median age 46.3, against 37.9 for Victoria.

Mount Martha Victoria
Share of people by age, Mount Martha and Victoria
0–911.2%
10–1915.1%
20–296.9%
30–398.2%
40–4914.1%
50–5914.5%
60–6912.2%
70–7911.5%
80+6.5%

Source: ABS Census 2021, via Censible. How the figures are built

Cultural background

The largest groups in Mount Martha at the 2021 Census.

Ancestry

Top 5 · ancestry
  1. English49.6%
  2. Australian37.4%
  3. Irish14.1%
  4. Scottish13.8%
  5. Italian5.0%

Languages at home

Top 5 · languages at home
  1. Italian0.9%
  2. German0.6%
  3. Greek0.6%
  4. Spanish0.2%
  5. French0.2%

Country of birth

Top 5 · country of birth
  1. England9.1%
  2. New Zealand1.4%
  3. Scotland1.2%
  4. Italy0.7%
  5. Ireland0.7%

Source: ABS Census 2021, via Censible. How the figures are built

Around Mount Martha

The places it belongs to, sits beside and contains.

Explore Mount Martha in Censible

Every census figure for Mount Martha, mapped and compared with any other place. A free account takes a minute.