Mandemar Postcode
New South Wales
Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.
How Mandemar Compares
Mandemar vs the NSW average and the national average (2021 Census, population-weighted).
| Metric | Mandemar | NSW avg | AU avg |
|---|---|---|---|
| Household income/wk | $1,958 ≈NSW | $1,931 | $1,836 |
| Rent/wk | $428 ≈NSW | $445 | $390 |
| Mortgage/month | $2,500 +NSW | $2,247 | $1,958 |
| Median age | 47 | 45.0 | 45.0 |
| SEIFA decile | 10/10 +NSW | 6.0/10 | 6.0/10 |
| Unemployment | 0.0% -NSW | 5.0% | 5.0% |
Green pill = at least 10% above the NSW average; red = at least 10% below; grey = within 10%. For unemployment, colour polarity is inverted: lower is better.
Mandemar is a locality 106 km from Sydney in New South Wales, classified as outer regional by the ABS. The postcode is 2575. It falls within the Southern Highlands and Shoalhaven region. The local government area is Wingecarribee.
According to the 2021 Census, Mandemar has a population of 64 with a median age of 47. The median weekly household income is $1,958, close to the NSW average.
Housing in Mandemar includes a median weekly rent of $428, median monthly mortgage repayment of $2,500, with 19 total dwellings. These housing costs sit above the NSW average. Owner-occupied dwellings (owned or mortgaged) make up 75.0% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Mandemar scores in decile 10 out of 10, which is well above the national average.
Mandemar is part of the Southern Highlands statistical area in New South Wales.
Mandemar Details
| Postcode | 2575 |
| State | New South Wales (NSW) |
| Phone Area Code | 02 |
| Population (2021) | 64 |
| Median Age | 47 years |
| Median Household Income (Census 2021) | $1,958/week |
| Median Personal Income (Census 2021) | $866/week |
| Median Weekly Rent (Census 2021) | $428 |
| Median Monthly Mortgage (Census 2021) | $2,500 |
| Average Household Size | 2.7 persons |
| Area | 15.7 km² |
| Population Density | 4/km² |
| Total Dwellings | 19 |
| Australian Citizens | 81.2% |
| Unemployment Rate | 0.0% |
| SEIFA IRSAD Decile | 10/10 (well above average) |
| Latitude | -34.433333 |
| Longitude | 150.283333 |
| Distance from Sydney | 106 km |
| Region (SA4) | Southern Highlands and Shoalhaven |
| Area (SA3) | Southern Highlands |
| Local Government | Wingecarribee |
| Federal Electorate | Whitlam |
Age Profile
Show counts
| 0–14 years | 14 (21.9%) |
| 15–24 years | 10 (15.6%) |
| 25–44 years | 7 (10.9%) |
| 45–64 years | 18 (28.1%) |
| 65+ years | 19 (29.7%) |
Housing Tenure
SEIFA Socio-economic Index
Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 10 of 10. Higher deciles indicate more advantage.
Health Conditions (2021 Census)
| Asthma | 9 (14.1%) |
| Arthritis | 6 (9.4%) |
| Heart Disease | 4 (6.2%) |
| Diabetes | 3 (4.7%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 0 (0.0%) |
| 1 vehicle | 0 (0.0%) |
| 2 vehicles | 7 (53.8%) |
| 3+ vehicles | 6 (46.2%) |
Suburbs Near Mandemar
Same Postcode (2575)
More Mandemar 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.