Blackmans Flat Postcode

New South Wales

Outer Regional Above NSW income

2790

Postcode for Blackmans Flat, NSW
Phone area code: 02 · 121 km from Sydney · Pop. 22

Population

Median Age

$2,250

Household Income/wk

$360

Median Rent/wk

6/10

SEIFA Advantage

33.0

Area (km²)

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.

How Blackmans Flat Compares

Blackmans Flat vs the NSW average and the national average (2021 Census, population-weighted).

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

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

Age Profile

36.4%

40.9%

31.8%

0–14 (36.4%) 15–24 (0.0%) 25–44 (40.9%) 45–64 (0.0%) 65+ (31.8%)

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

44.4%

55.6%

Owned outright (44.4%) Mortgaged (55.6%) Rented (0.0%)

SEIFA Socio-economic Index

Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 6 of 10. Higher deciles indicate more advantage.

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

Lidsdale 2.4 km Pipers Flat 4.3 km Angus Place 5.9 km Wallerawang 6.1 km Cullen Bullen 7.9 km Portland 8.2 km Marrangaroo 9.6 km Mount Lambie 11.5 km Rydal 13.7 km Oakey Park 14.1 km Clarence 14.1 km Ben Bullen 14.1 km

Same Postcode (2790)

More Blackmans Flat Data

Lithgow LGA 65 suburbs, 10 postcodes, 20,553 people Climate & Weather Closest station: Lithgow (17.1 km) Fuel Prices New South Wales fuel prices NDIS Providers NDIS data for Lithgow LGA

Page last reviewed June 2026. Data sources: Australian Bureau of Statistics 2021 Census (CC BY 4.0), SEIFA 2021 IRSAD, ACARA school profiles 2025. How this data is sourced.