Mordialloc (Vic.)

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Based on analysis of ABS population updates for the broader area, and new addresses validated by Districts since the Census Mordialloc's population is estimated at around 9,970 as of May 2026. This reflects an increase of 1,084 people (12.2%) since the 2021 Census, which reported a population of 8,886 people. The change is inferred from the resident population of 9,840, estimated by Districts following examination of the latest ERP data release by the ABS (June 2025) and an additional 200 validated new addresses since the Census date. This level of population equates to a density ratio of 2,260 persons per square kilometer, which is above the average seen across national locations assessed by Districts. Mordialloc's 12.2% growth since the 2021 census exceeded the SA3 area (6.7%), along with the SA4 region, marking it as a growth leader in the region. Population growth for the area was primarily driven by overseas migration that contributed approximately of overall population gains during recent periods.

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Mordialloc features a well-educated workforce, with professional services showing strong representation, an unemployment rate of 4.6%, and relative employment stability over the past year, based on Districts aggregation of statistical area data. As of March 2026, 5,364 residents are in work while the unemployment rate is 0.1% below Greater Melbourne's rate of 4.8%, and workforce participation is somewhat below standard (67.8% compared to Greater Melbourne's 70.2%). Based on Census responses, a high 37.5% of residents were found to work from home, though Covid-19 lockdown impacts should be considered.

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The suburb of Mordialloc shows a median taxpayer income of $63,006 and an average of $84,051 according to the latest postcode level ATO data aggregated by Districts for financial year 2023. This is extremely high nationally, contrasting with Greater Melbourne's median income of $57,688 and average income of $75,164. Based on Wage Price Index growth of 9.62% since financial year 2023, current estimates would be approximately $69,067 (median) and $92,137 (average) as of March 2026. Census data reveals household, family and personal incomes in Mordialloc cluster around the 72nd percentile nationally. Income brackets indicate 28.5% of the population (2,841 individuals) fall within the $1,500 - 2,999 income range, consistent with broader trends across the broader area showing in the same category. A significant earn above weekly, reflecting pockets of prosperity that drive robust local economic activity. High housing costs consume of income, though strong earnings still place disposable income at the th percentile and the area's SEIFA income ranking places it in the th decile.

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Dwelling structure within Mordialloc, as evaluated at the latest Census, comprised 39.8% houses and 60.1% other dwellings (semi-detached, apartments, 'other' dwellings), in comparison to Melbourne metro's 67.9% houses and 32.1% other dwellings. Meanwhile, the level of home ownership within Mordialloc was slightly lagging that of Melbourne metro, at 28.4%, with the remainder of dwellings either mortgaged (41.3%) or rented (30.2%). The median monthly mortgage repayment in the area was above the Melbourne metro average at $2,167, while the median weekly rent figure was recorded at $400, compared to Melbourne metro's $2,000 and $390. Nationally, Mordialloc's mortgage repayments are significantly higher than the Australian average of $1,863, while rents are exceeding the national figure of $375.

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Family households dominate at 67.2% of all households, comprising 33.5% couples with children, 22.5% couples without children, and 10.5% single parent families. Non-family households make up the remaining 32.8%, with lone person households at 30.5% and group households comprising 2.3% of the total. The median household size of 2.4 people is smaller than the Greater Melbourne average of 2.6.

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Educational qualifications in Mordialloc trail regional benchmarks, with 37.0% of residents aged 15+ holding university degrees compared to 46.0% in SA4 region. This gap highlights potential for educational development and skills enhancement. Bachelor degrees lead at 25.2%, followed by postgraduate qualifications (7.8%) and graduate diplomas (4.0%). Trade and technical skills feature prominently, with 30.3% of residents aged 15+ holding vocational credentials – advanced diplomas (12.9%) and certificates (17.4%).

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Public transport analysis reveals 47 active transport stops operating within Mordialloc comprising a mix of buses. These stops are serviced by 17 individual routes, collectively providing 4,225 weekly passenger trips. Transport accessibility is rated as excellent, with residents typically located 190 meters from the nearest transport stop. As a primarily residential area, most residents commute outward - car remains the dominant mode at 85%, with 8% by train. Vehicle ownership averages 1.2 per dwelling. A high 37.5% of residents work from home (2021 Census; may reflect COVID-19 conditions).

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Mordialloc demonstrates above-average health outcomes, based on Districts' assessment of mortality rates and chronic condition prevalence with prevalence of common health conditions low among the general population though higher than the nation's average across older, at risk cohorts , and the rate of private health cover found to be exceptionally high at approximately 60% of the total population (5,979 people). This compares to 56.7% across Greater Melbourne.

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Mordialloc was found to be more culturally diverse than the vast majority of local markets, with 19.3% of its population speaking a language other than English at home and 29.2% born overseas. The main religion in Mordialloc was found to be Christianity, which makes up 49.0% of people in Mordialloc. However, the most apparent overrepresentation was in Judaism, which comprises 0.7% of the population, compared to 1.0% across Greater Melbourne.

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With a median age of 40, Mordialloc is somewhat higher than the Greater Melbourne figure of 37 similarly marginally higher than Australia's 38 years. Compared to the Greater Melbourne average, the 45 - 54 cohort is notably over-represented (15.0% locally), while 25 - 34 year-olds are under-represented (11.3%). In the period since 2021, the 15 to 24 age group has grown from 10.9% to 14.0% of the population. Conversely, the 5 to 14 cohort has declined from 13.1% to 11.5% and the 45 to 54 group dropped from 16.1% to 15.0%. Demographic modeling suggests Mordialloc's age profile will evolve significantly by . The to age cohort is projected to grow significantly, expanding by people () from to . Notably, the combined + age groups will account for of total population growth, reflecting the area's aging demographic profile. Meanwhile, the to and to cohorts are expected to experience population declines.

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Mordialloc currently has an estimated 478 children under 5 years old, comprising approximately 269 children aged 0-2 and 179 children aged 3-4. This cohort grew by an estimated 2% since the previous census. though population forecasts indicate future decline, with an anticipated decrease of 8% by 2041 (to approximately 438 children). Meanwhile the 5-12 cohort currently amounts to 912. While growth has been positive birth rates observed in the area have been moderate, with approximately 8.4 births per 1,000 residents recorded over the latest two-year period analysed which ranks the area among the bottom 30% of areas assessed nationally. This rate has slowed down slightly in recent years however.