New South Wales · Postcode 2756
Mellong postcode and suburb data
New South Wales · Phone area code 02 · 92 km from Sydney
Suburb snapshot
Mellong at a glance vs NSW
Fast facts and benchmark bars show the suburb's key postcode, Census, SEIFA, school and LGA signals in context.
Quick facts
Benchmarks against NSW
Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.
Where Mellong ranks: household income sits in the bottom 25% of NSW suburbs; rents sit in the cheapest 10% in NSW.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Mellong vs the NSW average and the national average, using population-weighted 2021 Census data.
| Metric | Mellong | NSW avg | AU avg |
|---|---|---|---|
| Household income/wk | $1,125 -NSW | $1,931 | $1,836 |
| Mortgage/month | $2,383 ≈NSW | $2,247 | $1,958 |
| Median age | 45 | 45.0 | 45.0 |
| SEIFA decile | 5/10 ≈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.
Mellong is a locality 92 km from Sydney in New South Wales, classified as outer regional by the ABS. The postcode is 2756. It falls within the Sydney - Outer West and Blue Mountains region. The local government area is Hawkesbury.
According to the 2021 Census, Mellong has a population of 7 with a median age of 45. The median weekly household income is $1,125, below the NSW average.
Housing in Mellong includes a median monthly mortgage repayment of $2,383, 3 total dwellings. Housing costs in the area sit below the NSW average.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Mellong scores in decile 5 out of 10, which is around the national average.
Mellong is part of the Richmond - Windsor statistical area in New South Wales.
Mellong details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 2756 |
| State | New South Wales (NSW) |
| Phone Area Code | 02 |
| Population (2021) | 7 |
| Median Age | 45 years |
| Median Household Income (Census 2021) | $1,125/week |
| Median Personal Income (Census 2021) | $1,125/week |
| Median Monthly Mortgage (Census 2021) | $2,383 |
| Average Household Size | 1 persons |
| Area | 402.1 km² |
| Population Density | 0/km² |
| Total Dwellings | 3 |
| Australian Citizens | 100.0% |
| Unemployment Rate | 0.0% |
| SEIFA IRSAD Decile | 5/10 (average) |
| Latitude | -33.1687728 |
| Longitude | 150.6820221 |
| Distance from Sydney | 92 km |
| Region (SA4) | Sydney - Outer West and Blue Mountains |
| Area (SA3) | Richmond - Windsor |
| Local Government | Hawkesbury |
| Federal Electorate | Macquarie |
| State Electorate | Hornsby |
| Time Zone | AEST (UTC+10), Australia/Sydney (standard time) |
Age Profile
Show counts
| 0–14 years | 0 (0.0%) |
| 15–24 years | 0 (0.0%) |
| 25–44 years | 0 (0.0%) |
| 45–64 years | 0 (0.0%) |
| 65+ years | 0 (0.0%) |
SEIFA socio-economic index
Motor Vehicles per Dwelling
| No vehicle | 0 (0.0%) |
| 1 vehicle | 3 (100.0%) |
| 2 vehicles | 0 (0.0%) |
| 3+ vehicles | 0 (0.0%) |
Suburbs Near Mellong
Same Postcode (2756)
More Mellong 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.