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- Blackmans Flat
New South Wales · Postcode 2790
Blackmans Flat postcode and suburb data
New South Wales · Phone area code 02 · 121 km from Sydney
Suburb snapshot
Blackmans Flat 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 Blackmans Flat ranks: household income is in the top 25% of NSW suburbs.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Blackmans Flat vs the NSW average and the national average, using population-weighted 2021 Census data.
| Metric | Blackmans Flat | NSW avg | AU avg |
|---|---|---|---|
| Household income/wk | $2,250 +NSW | $1,931 | $1,836 |
| Rent/wk | $360 -NSW | $445 | $390 |
| Mortgage/month | $2,167 ≈NSW | $2,247 | $1,958 |
| Median age | 38 | 45.0 | 45.0 |
| SEIFA decile | 6/10 ≈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.
Blackmans Flat is a locality 121 km from Sydney in New South Wales, classified as outer regional by the ABS. The postcode is 2790. It falls within the Central West region. The local government area is Lithgow.
According to the 2021 Census, Blackmans Flat has a population of 22 with a median age of 38. The median weekly household income is $2,250, above the NSW average.
Housing in Blackmans Flat includes a median weekly rent of $360, median monthly mortgage repayment of $2,167, with 6 total dwellings. Housing costs in the area sit below the NSW average. Owner-occupied dwellings (owned or mortgaged) make up 100.0% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Blackmans Flat scores in decile 6 out of 10, which is around the national average.
Blackmans Flat is part of the Lithgow - Mudgee statistical area in New South Wales.
Blackmans Flat details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 2790 |
| State | New South Wales (NSW) |
| Phone Area Code | 02 |
| Population (2021) | 22 |
| Median Age | 38 years |
| Median Household Income (Census 2021) | $2,250/week |
| Median Personal Income (Census 2021) | $537/week |
| Median Weekly Rent (Census 2021) | $360 |
| Median Monthly Mortgage (Census 2021) | $2,167 |
| Average Household Size | 3.8 persons |
| Area | 33.0 km² |
| Population Density | 1/km² |
| Total Dwellings | 6 |
| Australian Citizens | 95.5% |
| Unemployment Rate | 0.0% |
| SEIFA IRSAD Decile | 6/10 (average) |
| Latitude | -33.3629186 |
| Longitude | 150.0559407 |
| Distance from Sydney | 121 km |
| Region (SA4) | Central West |
| Area (SA3) | Lithgow - Mudgee |
| Local Government | Lithgow |
| Federal Electorate | Calare |
| State Electorate | Blue Mountains |
| Time Zone | AEST (UTC+10), Australia/Sydney (standard time) |
Age Profile
Show counts
| 0–14 years | 8 (36.4%) |
| 15–24 years | 0 (0.0%) |
| 25–44 years | 9 (40.9%) |
| 45–64 years | 0 (0.0%) |
| 65+ years | 7 (31.8%) |
Housing Tenure
SEIFA socio-economic index
Motor Vehicles per Dwelling
| No vehicle | 0 (0.0%) |
| 1 vehicle | 0 (0.0%) |
| 2 vehicles | 4 (100.0%) |
| 3+ vehicles | 0 (0.0%) |
Suburbs Near Blackmans Flat
Same Postcode (2790)
More Blackmans Flat 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.