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Victoria · Postcode 3984
Lang Lang postcode and suburb data
Victoria · Phone area code 03 · 73 km from Melbourne
Suburb snapshot
Lang Lang 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.
Detailed comparison table
Lang Lang vs the VIC average and the national average, using population-weighted 2021 Census data.
| Metric | Lang Lang | VIC avg | AU avg |
|---|---|---|---|
| Household income/wk | $1,807 ≈VIC | $1,817 | $1,836 |
| Rent/wk | $310 -VIC | $375 | $390 |
| Mortgage/month | $1,736 -VIC | $1,933 | $1,958 |
| Median age | 34 | 46.0 | 45.0 |
| SEIFA decile | 4/10 -VIC | 6.0/10 | 6.0/10 |
| Unemployment | 3.3% -VIC | 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.
Lang Lang is a locality 73 km from Melbourne in Victoria, classified as inner regional by the ABS. The postcode is 3984. It falls within the Melbourne - South East region. The local government area is Cardinia.
According to the 2021 Census, Lang Lang has a population of 2,556 with a median age of 34. The median weekly household income is $1,807, close to the VIC average. The unemployment rate is 3.3%, lower than the VIC average. The Indigenous population is 27 (1.1% of residents).
Housing in Lang Lang includes a median weekly rent of $310, median monthly mortgage repayment of $1,736, with 886 total dwellings. Housing costs in the area sit below the VIC average. Owner-occupied dwellings (owned or mortgaged) make up 85.3% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Lang Lang scores in decile 4 out of 10, which is below the national average.
Lang Lang is served by Lang Lang Primary School.
Lang Lang is part of the Cardinia statistical area in Victoria.
Lang Lang details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 3984 |
| State | Victoria (VIC) |
| Phone Area Code | 03 |
| Population (2021) | 2,556 |
| Median Age | 34 years |
| Median Household Income (Census 2021) | $1,807/week |
| Median Personal Income (Census 2021) | $811/week |
| Median Weekly Rent (Census 2021) | $310 |
| Median Monthly Mortgage (Census 2021) | $1,736 |
| Average Household Size | 2.7 persons |
| Area | 94.7 km² |
| Population Density | 27/km² |
| Total Dwellings | 886 |
| Australian Citizens | 90.6% |
| Indigenous Population | 27 (1.1%) |
| Unemployment Rate | 3.3% |
| SEIFA IRSAD Decile | 4/10 (below average) |
| Latitude | -38.266667 |
| Longitude | 145.566667 |
| Distance from Melbourne | 73 km |
| Region (SA4) | Melbourne - South East |
| Area (SA3) | Cardinia |
| Local Government | Cardinia |
| Federal Electorate | Monash |
| State Electorate | Gippsland South (Eastern Victoria) |
| Time Zone | AEST (UTC+10), Australia/Melbourne (standard time) |
Age Profile
Show counts
| 0–14 years | 549 (21.5%) |
| 15–24 years | 284 (11.1%) |
| 25–44 years | 779 (30.5%) |
| 45–64 years | 579 (22.7%) |
| 65+ years | 367 (14.4%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Asthma | 304 (11.9%) |
| Arthritis | 236 (9.2%) |
| Diabetes | 129 (5.0%) |
| Heart Disease | 96 (3.8%) |
| Lung Condition | 56 (2.2%) |
| Cancer | 50 (2.0%) |
| Dementia | 16 (0.6%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 14 (1.6%) |
| 1 vehicle | 184 (21.1%) |
| 2 vehicles | 391 (44.9%) |
| 3+ vehicles | 282 (32.4%) |
Schools in Lang Lang
ACARA 2025 school profiles for schools located in Lang Lang. ICSEA is shown where ACARA publishes it.
Suburbs Near Lang Lang
Same Postcode (3984)
More Lang Lang 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.