Frankston South (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 the suburb of Frankston South has a population estimated at around 19,392 as of May 2026. This reflects an increase of 591 people (3.1%) since the 2021 Census, which reported a population of 18,801 people. The change is inferred from the resident population of 19,374, estimated by Districts following examination of the latest ERP data release by the ABS (June 2025) and an additional 114 validated new addresses since the Census date. This level of population equates to a density ratio of 1,331 persons per square kilometer, which is above the average seen across national locations assessed by Districts. The suburb of Frankston South's 3.1% growth since census positions it within 0.1 percentage points of the SA4 region (3.2%), demonstrating competitive growth fundamentals. Population growth for the area was primarily driven by overseas migration, which was essentially the sole driver of population gains during recent periods.

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The suburb of Frankston South has a well-educated labor force with strong representation in essential services, showing an unemployment rate of just 2.1% and a stable job market over the prior year, according to statistical data aggregated by Districts. In March 2026, there are 10,046 employed residents, with the local unemployment rate sitting 2.6% below the 4.8% rate recorded for Greater Melbourne, while workforce participation is noticeably lower at 65.0% compared to 70.2% in Greater Melbourne. Census records indicate that a high 31.8% of employed locals worked from home, though this figure should be interpreted in the context of pandemic restrictions.

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Tax office statistics from financial year 2023 aggregated by Districts reveal that taxpayers in the suburb of Frankston South earn a median income of $55,710 and an average income of $68,441. These figures align closely with national averages but sit below the Greater Melbourne median of $57,688 and average of $75,164. Factoring in Wage Price Index growth of 9.62% since financial year 2023, updated estimates suggest figures of roughly $61,069 for median earnings and $75,025 for average earnings as of March 2026. Data from the 2021 Census places household, family, and individual incomes in the area around the 64th percentile nationwide. The dominant earning bracket comprises 28.5% of residents (5,526 individuals) who receive between $1,500 and $2,999, mirroring the regional trend of in this bracket. Local economic capacity is highlighted by of households earning high weekly incomes above which drives strong consumer demand. Housing costs consume of local incomes, while robust earnings place residents in the st percentile for disposable funds, and the local SEIFA income index sits in the th decile.

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At the time of the last census, residential dwellings in the suburb of Frankston South consisted of 86.0% separate houses and 14.1% other options including semi-detached homes, apartments, and alternative structures, compared to 67.9% houses and 32.1% other property types in metropolitan Melbourne. Home ownership rates in the suburb of Frankston South were much higher than the metropolitan average at 38.7%, while the remaining properties were either held with a mortgage (44.5%) or rented (16.9%). The median monthly home loan payment of $2,167 was higher than the metropolitan Melbourne median of $2,000, and the median weekly rent was $420 compared to the metropolitan median of $390. On a national level, mortgage payments in the suburb of Frankston South exceed the Australian median of $1,863, while local rents are higher than the national median of $375.

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Families make up the vast majority of households at 75.5%, which includes couples with children at 37.0%, couples without children at 27.4%, and single-parent homes at 10.6%. The remaining 24.5% consists of non-family households, with single-person homes accounting for 22.9% and group living arrangements representing 1.6%. The median household occupancy stands at 2.6 residents, matching the metropolitan average for Greater Melbourne.

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The academic credentials of residents in the suburb of Frankston South are notably strong for the region, with tertiary qualification rates at 30.3% of those aged 15 and over, outperforming the SA3 average of 21.6% and the SA4 average of 23.5%, reflecting high community engagement with tertiary study. Undergraduates holding bachelor degrees make up 20.7% of this group, followed by postgraduate degree holders at 5.6% and graduate diploma recipients at 4.0%. Vocational education is also widespread, with 34.6% of residents aged 15 and over possessing technical qualifications, consisting of advanced diplomas at 13.6% and certificates at 21.0%.

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An assessment of public transport shows that the suburb of Frankston South is served by 65 active bus stops. These locations are connected by 11 separate routes, which combine to offer 1,352 passenger journeys each week. Connectivity is rated as good, with residents living an average of 267 meters from their nearest transit point. Because the suburb is primarily residential, the vast majority of workers travel outside the area to work, and private vehicles remain the primary transit mode at 94%. Households own an average of 1.6 cars, which is higher than the regional average. A high proportion of residents, 31.8%, worked from home (recorded in the 2021 Census, which may have been influenced by pandemic conditions).

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Health outcomes for residents in the suburb of Frankston South are generally positive, with analysis from Districts showing death rates and medical conditions that align with national averages, and the occurrence of common illnesses is low overall, though rates are higher than the national benchmark among older, vulnerable demographics, while private medical insurance coverage is held by approximately 54% of the population (~10,450 people), slightly ahead of the average SA2 area. In comparison, 56.7% of residents across Greater Melbourne hold private coverage.

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The suburb of Frankston South aligns closely with regional averages for cultural mix, with 77.7% of residents born in Australia, 90.2% holding citizenship, and 90.7% using only English at home. Christianity is the dominant religious affiliation, representing 42.8% of the local population. The most distinct religious divergence is among followers of Judaism, who make up 0.2% of residents compared to 1.0% across Greater Melbourne.

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Having a median age of 44, the suburb of Frankston South is older than the Greater Melbourne median of 37 and the national average of 38. Residents aged 75 to 84 are highly represented at 8.4% compared to metropolitan levels, while young adults aged 25 to 34 are less common at 6.6%. Since the 2021 Census, the proportion of residents aged 15 to 24 grew from 10.9% to 12.6%, and the 75 to 84 age group increased from 7.3% to 8.4%, whereas the 25 to 34 demographic shrank from 8.3% to 6.6%. Demographic projections suggest the age structure will change considerably by led by an increase in the and over cohort (adding people) to reach residents from . This aging trend is clear as residents aged and older represent of the projected population growth, while the to and to age groups are expected to experience net decreases in population.

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Frankston South currently has an estimated 950 children under 5 years old, comprising approximately 564 children aged 0-2 and 376 children aged 3-4. This cohort declined by an estimated 1% since the previous census. while population forecasts indicate future decline, with an anticipated decrease of 13% by 2041 (to approximately 830 children). Meanwhile the 5-12 cohort currently amounts to 2,191. Birth rates in the area have averaged 8.1 per 1,000 residents over the latest two-year period, a low rate (among the bottom 30% of areas assessed nationally). This rate has slowed down slightly in recent years however.