Suburb profile · ABS Census 2021
Mount Martha suburb profile
Mount Martha, VIC · Postcode 3934
This Mount Martha suburb profile summarises official Australian Bureau of Statistics Census 2021 data for Mount Martha, VIC (postcode 3934). Use it as a free suburb report covering population, median rent, household income, age, housing tenure and employment, plus how those figures changed since Census 2016— then compare Mount Martha with nearby suburbs.
Mount Martha at a glance
Population
19,846
Median rent
$496/wk
Household income
$2,097/wk
Median age
46
Mount Martha trends (2016 → 2021)
Change since the previous Census. Historical figures are mapped from State Suburbs (SSC) to today's suburb boundaries.
Population
Census 2011 → 2016 → 2021
+16.1% over 10 years
Population
19,846
was 18,548 in 2016
+1,298 · +7%
Median rent
$496/wk
was $400/wk in 2016
+$96 · +24%
Household income
$2,097/wk
was $1,707/wk in 2016
+$390 · +22.8%
Median age
46
was 43 in 2016
+3 · +7%
Dig deeper: Mount Martha population growth · Mount Martha then and now
Mount Martha vs nearby & VIC
Median Census 2021 figures for Mount Martha, nearby suburbs (8), and the VIC state median (suburbs with 1,000+ people).
Rent
+35.5% vs area
- Mount Martha$496/wk
- Nearby$430/wk
- VIC$366/wk
Household income
+15.7% vs area
- Mount Martha$2,097/wk
- Nearby$1,862/wk
- VIC$1,813/wk
Median age
+15% vs area
- Mount Martha46
- Nearby50
- VIC40
Personal income
+5.4% vs area
- Mount Martha$846/wk
- Nearby$788.5/wk
- VIC$803/wk
Nearby uses the same postcode first, then larger suburbs in VIC.
Socio-economic profile
How Mount Martha compares to other Australian suburbs on income, education and occupation — from official ABS SEIFA 2021 data.
Mount Martha ranks among Australia's most advantaged suburbs. It shows strong access to economic resources and high education and occupation levels.
Relative disadvantage (IRSD)
Decile 91,078.7
Lower score / decile = more relative disadvantage
Advantage & disadvantage (IRSAD)
Decile 91,068.3
Higher score / decile = more relative advantage
Economic resources (IER)
Decile 91,090.1
Access to economic resources (income, housing)
Education & occupation (IEO)
Decile 91,060.2
Education and occupational skill levels
Source: ABS SEIFA 2021. See methodology.
Mount Martha on the map
OpenStreetMap outline for Mount Martha, VIC.
Map data © OpenStreetMap contributors. Boundary matching is approximate.
Mount Martha people
- Population
- 19,846
- Median age
- 46
- Born overseas
- 20.2%
- Average household size
- 2.7
Total usual residents (Census 2021)
Median age of residents in years
Percentage born outside Australia
Average number of people per household
Mount Martha income
- Median household income
- $2,097/wk
- Median personal income
- $846/wk
Median total weekly household income
Median total weekly personal income
Mount Martha housing
- Median rent
- $496/wk
- Median mortgage repayment
- $2,167/mo
- Separate houses
- 72.1%
- Flats & apartments
- 0.2%
- Owned outright
- 36.2%
- Mortgaged
- 35.9%
- Rented
- 10.3%
- Unoccupied dwellings
- 14.3%
Median weekly rent for rented dwellings
Median monthly mortgage repayment
Percentage of dwellings that are separate houses
Percentage of dwellings that are flats or apartments
Percentage of dwellings owned without a mortgage
Percentage of dwellings with a mortgage
Percentage of dwellings rented
Percentage of private dwellings unoccupied on Census night
Mount Martha work
- Employment to population
- 58.8%
- Unemployment rate
- 2.8%
- Year 12 or above
- 62.8%
Employed persons as a percentage of population aged 15+
Unemployed persons as a percentage of the labour force
Percentage with Year 12 or equivalent as highest school level
Nearby suburb profiles (near 3934)
Compare Mount Martha with nearby suburbs
Mount Martha in numbers
Mount Martha had 19,846 residents at the 2021 Census, making it the 82nd most populous suburb or locality in VIC out of 2,835. The median age is 46, 12% above the typical VIC suburb. The average household has 2.7 people. 20.2% of residents were born overseas.
Among occupied homes, 36.2% own their home outright, 35.9% are paying a mortgage, 10.3% rent. Separate houses make up 72.1% of dwellings, with 0.2% in flats or apartments. Median rent was $496/wk, 42% above the typical VIC suburb.
Median household income was $2,097/wk, 18% above the typical VIC suburb. The unemployment rate on Census night was 2.8%. 62.8% of adults had completed Year 12 or above. On the ABS SEIFA index of relative socio-economic disadvantage it sits in decile 9 nationally (1 is most disadvantaged, 10 least).
Between the 2016 and 2021 Censuses the population grew 7% (from 18,548 to 19,846). Median rent moved from $400/wk to $496/wk (+24%).
Mount Martha suburb FAQs
- What is the median rent in Mount Martha, VIC?
- The median weekly rent in Mount Martha was $496/wk at the 2021 Census (ABS).
- How many people live in Mount Martha, VIC?
- Mount Martha had 19,846 residents at the 2021 Census, up 7% from 2016.
- What is the median household income in Mount Martha?
- Median household income in Mount Martha was $2,097/wk at the 2021 Census.
- Do most people rent or own in Mount Martha?
- 10.3% of occupied homes in Mount Martha were rented, 36.2% were owned outright and 35.9% were owned with a mortgage.
About this Mount Martha suburb profile
Figures are from the ABS Census of Population and Housing 2021 (General Community Profile) for the Suburbs and Localities boundary matching Mount Martha. Where shown, 2016 values come from the 2016 State Suburbs (SSC) profile, linked via ABS geographic correspondence — boundaries are not always identical. Medians may be suppressed for very small areas. This is not financial or relocation advice — use it alongside current market data.
Source: ABS Census 2021. Methodology