Mordialloc, VIC
By Lauren McCaleb · Reviewed by Dylan Duncan ·
Among Australia's more advantaged suburbs
Mordialloc is more socio-economically advantaged than about 90% of the 14,462 Australian suburbs we score, based on the ABS SEIFA index (raw score 1072, where about 1000 is the national average).
A socio-economic measure from ABS Census data — not a measure of how good a suburb is to live in or visit. How we calculate this.
Mordialloc at a glance
- Population (2021)
- 8,886
- Median age
- 40
- Median weekly household income
- $2,037
- SEIFA score
- 1072
- Coordinates
- -37.9979, 145.0951
Mordialloc demographics (2021 Census)
The figures below profile Mordialloc using the Australian Bureau of Statistics 2021 Census; every percentage is a share of a clearly stated Census count, so each one traces back to the source. At a glance, the largest age group is mid-life (45–64) at 28%, 30% of homes are rented, and 29% of residents were born overseas.
Age profile
| Age group | People | Share |
|---|---|---|
| Children (0–14) | 1,639 | 18% |
| Youth (15–24) | 972 | 11% |
| Young adults (25–44) | 2,400 | 27% |
| Mid-life (45–64) | 2,501 | 28% |
| Seniors (65+) | 1,380 | 16% |
Share of the 8,892 people counted by age.
Housing and households
| Tenure | Dwellings | Share |
|---|---|---|
| Owned outright | 969 | 28% |
| Owned with a mortgage | 1,421 | 41% |
| Rented | 1,036 | 30% |
| Dwelling type | Dwellings | Share |
|---|---|---|
| Houses | 1,392 | 40% |
| Townhouses & semis | 1,596 | 46% |
| Flats & apartments | 498 | 14% |
Tenure and dwelling shares are of the roughly 3,502 occupied private dwellings in Mordialloc.
- Median weekly rent
- $400
- Median monthly mortgage
- $2,167
- Average household size
- 2.4 people
- Median weekly family income
- $2,778
- Median weekly personal income
- $982
Community and culture
- Born overseas
- 2,512 (29%)
- Speaks a language other than English at home
- 1,662 (19%)
- Aboriginal and/or Torres Strait Islander
- 56 (1%)
Work and education
- Completed Year 12
- 4,800 (70%)
- Labour-force participation
- 68.6%
- Unemployment rate
- 4.1%
- Employed full-time
- 3,001
- Employed part-time
- 1,483
Source: ABS Census of Population and Housing, 2021 (General Community Profile, by Suburb and Locality). © Australian Bureau of Statistics, released under CC BY 4.0. How we group bands and derive each share is set out on our methodology page.
Weather and climate in Mordialloc
Based on 2014–2023 records, the warmest month in Mordialloc is January (average daytime high around 25.9°C) and the coolest is July (around 13.2°C). The area receives roughly 800 mm of rain across the year.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 25.9°C | 15.5°C | 60 mm |
| Feb | 24.9°C | 15°C | 40 mm |
| Mar | 23.4°C | 14.2°C | 51 mm |
| Apr | 19.9°C | 11.6°C | 68 mm |
| May | 16.3°C | 9.6°C | 70 mm |
| Jun | 13.8°C | 7.5°C | 68 mm |
| Jul | 13.2°C | 7.1°C | 59 mm |
| Aug | 13.8°C | 7.3°C | 76 mm |
| Sep | 16.4°C | 8.4°C | 70 mm |
| Oct | 19.3°C | 9.8°C | 84 mm |
| Nov | 21.1°C | 11.7°C | 86 mm |
| Dec | 23.7°C | 13.4°C | 68 mm |
Climate normals, 2014–2023 (Open-Meteo, ERA5 reanalysis).
Common questions about Mordialloc
Where is Mordialloc?
Mordialloc is a suburb of Victoria, Australia.
What is the population of Mordialloc?
At the 2021 Census, Mordialloc had a population of about 8,886.
Is Mordialloc an advantaged area?
Mordialloc has an ABS SEIFA score of 1072, where about 1000 is the national average — higher scores indicate greater relative socio-economic advantage. That gives it a Suburb Score of 90 out of 100 — more socio-economically advantaged than about 90% of Australian suburbs.
What is the weather like in Mordialloc?
Mordialloc has average daytime highs of about 19.3°C and overnight lows of about 10.9°C, with roughly 800 mm of rain across the year (based on 2014–2023 climate normals).
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