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New South Wales · Postcode 2365
Black Mountain postcode and suburb data
New South Wales · Phone area code 02 · 398 km from Sydney
Suburb snapshot
Black Mountain 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 Black Mountain ranks: SEIFA decile 9 puts it in the top 20% of Australia for socio-economic advantage.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Black Mountain vs the NSW average and the national average, using population-weighted 2021 Census data.
| Metric | Black Mountain | NSW avg | AU avg |
|---|---|---|---|
| Household income/wk | $1,768 ≈NSW | $1,931 | $1,836 |
| Rent/wk | $225 -NSW | $445 | $390 |
| Mortgage/month | $2,000 -NSW | $2,247 | $1,958 |
| Median age | 47 | 45.0 | 45.0 |
| SEIFA decile | 9/10 +NSW | 6.0/10 | 6.0/10 |
| Unemployment | 6.9% +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.
Black Mountain is a locality 398 km from Sydney in New South Wales, classified as outer regional by the ABS. The postcode is 2365. It falls within the New England and North West region. The local government area is Armidale Regional.
According to the 2021 Census, Black Mountain has a population of 291 with a median age of 47. The median weekly household income is $1,768, close to the NSW average. The unemployment rate is 6.9%, higher than the NSW average. The Indigenous population is 7 (2.4% of residents).
Housing in Black Mountain includes a median weekly rent of $225, median monthly mortgage repayment of $2,000, with 104 total dwellings. Housing costs in the area sit below the NSW average. Owner-occupied dwellings (owned or mortgaged) make up 84.8% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Black Mountain scores in decile 9 out of 10, which is well above the national average.
Black Mountain is served by Black Mountain Public School.
Black Mountain is part of the Inverell - Tenterfield statistical area in New South Wales.
Black Mountain details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 2365 |
| State | New South Wales (NSW) |
| Phone Area Code | 02 |
| Population (2021) | 291 |
| Median Age | 47 years |
| Median Household Income (Census 2021) | $1,768/week |
| Median Personal Income (Census 2021) | $766/week |
| Median Weekly Rent (Census 2021) | $225 |
| Median Monthly Mortgage (Census 2021) | $2,000 |
| Average Household Size | 2.6 persons |
| Area | 222.5 km² |
| Population Density | 1/km² |
| Total Dwellings | 104 |
| Australian Citizens | 90.7% |
| Indigenous Population | 7 (2.4%) |
| Unemployment Rate | 6.9% |
| SEIFA IRSAD Decile | 9/10 (well above average) |
| Latitude | -30.3153468 |
| Longitude | 151.6720692 |
| Distance from Sydney | 398 km |
| Region (SA4) | New England and North West |
| Area (SA3) | Inverell - Tenterfield |
| Local Government | Armidale Regional |
| Federal Electorate | New England |
| State Electorate | Northern Tablelands |
| Time Zone | AEST (UTC+10), Australia/Sydney (standard time) |
Age Profile
Show counts
| 0–14 years | 46 (15.8%) |
| 15–24 years | 33 (11.3%) |
| 25–44 years | 65 (22.3%) |
| 45–64 years | 101 (34.7%) |
| 65+ years | 60 (20.6%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Asthma | 29 (10.0%) |
| Arthritis | 22 (7.6%) |
| Heart Disease | 16 (5.5%) |
| Cancer | 16 (5.5%) |
| Lung Condition | 8 (2.7%) |
| Diabetes | 6 (2.1%) |
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 | 28 (27.5%) |
| 2 vehicles | 42 (41.2%) |
| 3+ vehicles | 32 (31.4%) |
Schools in Black Mountain
ACARA 2025 school profiles for schools located in Black Mountain. ICSEA is shown where ACARA publishes it.
Suburbs Near Black Mountain
Same Postcode (2365)
More Black Mountain 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.