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Victoria · Postcode 3977
Cranbourne South postcode and suburb data
Victoria · Phone area code 03 · 46 km from Melbourne
Suburb snapshot
Cranbourne South at a glance vs VIC
Fast facts and benchmark bars show the suburb's key postcode, Census, SEIFA, school and LGA signals in context.
Quick facts
Benchmarks against VIC
Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.
Where Cranbourne South ranks: household income is in the top 10% of VIC suburbs; rents are among the top 10% in VIC.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Cranbourne South vs the VIC average and the national average, using population-weighted 2021 Census data.
| Metric | Cranbourne South | VIC avg | AU avg | Greater Melbourne |
|---|---|---|---|---|
| Household income/wk | $2,278 +VIC | $1,817 | $1,836 | $1,943 |
| Rent/wk | $470 +VIC | $375 | $390 | $404 |
| Mortgage/month | $2,167 +VIC | $1,933 | $1,958 | $2,100 |
| Median age | 35 | 46.0 | 45.0 | 39.0 |
| SEIFA decile | 8/10 +VIC | 6.0/10 | 6.0/10 | 9.0/10 |
| Unemployment | 2.8% -VIC | 5.0% | 5.0% | 5.0% |
Green pill = at least 10% above the VIC average; red = at least 10% below; grey = within 10%. For unemployment, colour polarity is inverted: lower is better.
Cranbourne South is a locality 46 km from Melbourne in Victoria, classified as inner regional by the ABS. The postcode is 3977. It falls within the Mornington Peninsula region. The local government area is Casey.
According to the 2021 Census, Cranbourne South has a population of 3,241 with a median age of 35. The median weekly household income is $2,278, above the VIC average. The unemployment rate is 2.8%, lower than the VIC average. The Indigenous population is 36 (1.1% of residents).
Housing in Cranbourne South includes a median weekly rent of $470, median monthly mortgage repayment of $2,167, with 1,060 total dwellings. These housing costs sit above the VIC average. Owner-occupied dwellings (owned or mortgaged) make up 89.2% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Cranbourne South scores in decile 8 out of 10, which is above the national average.
Cranbourne South is served by Cranbourne South Primary School.
Cranbourne South is part of the Frankston statistical area in Victoria.
Cranbourne South details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 3977 |
| State | Victoria (VIC) |
| Phone Area Code | 03 |
| Population (2021) | 3,241 |
| Median Age | 35 years |
| Median Household Income (Census 2021) | $2,278/week |
| Median Personal Income (Census 2021) | $979/week |
| Median Weekly Rent (Census 2021) | $470 |
| Median Monthly Mortgage (Census 2021) | $2,167 |
| Average Household Size | 2.9 persons |
| Area | 20.0 km² |
| Population Density | 162/km² |
| Total Dwellings | 1,060 |
| Australian Citizens | 87.4% |
| Indigenous Population | 36 (1.1%) |
| Unemployment Rate | 2.8% |
| SEIFA IRSAD Decile | 8/10 (above average) |
| Latitude | -38.1581064 |
| Longitude | 145.2535448 |
| Distance from Melbourne | 46 km |
| Region (SA4) | Mornington Peninsula |
| Area (SA3) | Frankston |
| Local Government | Casey |
| Federal Electorate | Holt |
| State Electorate | Narre Warren South (South-Eastern Metropolitan) |
| Time Zone | AEST (UTC+10), Australia/Melbourne (standard time) |
Age Profile
Show counts
| 0–14 years | 648 (20.0%) |
| 15–24 years | 361 (11.1%) |
| 25–44 years | 1,058 (32.6%) |
| 45–64 years | 745 (23.0%) |
| 65+ years | 418 (12.9%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Asthma | 279 (8.6%) |
| Arthritis | 236 (7.3%) |
| Diabetes | 128 (3.9%) |
| Heart Disease | 109 (3.4%) |
| Cancer | 81 (2.5%) |
| Lung Condition | 43 (1.3%) |
| Dementia | 5 (0.2%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 7 (0.7%) |
| 1 vehicle | 192 (18.4%) |
| 2 vehicles | 461 (44.1%) |
| 3+ vehicles | 385 (36.8%) |
Schools in Cranbourne South
ACARA 2025 school profiles for schools located in Cranbourne South. ICSEA is shown where ACARA publishes it.
Suburbs Near Cranbourne South
Same Postcode (3977)
More Cranbourne South Data
Page last reviewed . Data sources: Australian Bureau of Statistics 2021 Census (CC BY 4.0), SEIFA 2021 IRSAD, ACARA school profiles 2025. How this data is sourced.