Browns Mountain Postcode

New South Wales

Inner Regional Top 10% SEIFA
2540
Postcode for Browns Mountain, NSW
Phone area code: 02 · 120 km from Sydney · Pop. 20
20
Population
65
Median Age
$1,249
Household Income/wk
$165
Median Rent/wk
9/10
SEIFA Advantage
12.6
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 Browns Mountain ranks: SEIFA decile 9 puts it in the top 20% of Australia for socio-economic advantage.

How Browns Mountain Compares

Browns Mountain vs the NSW average and the national average (2021 Census, population-weighted).

MetricBrowns MountainNSW avgAU avg
Household income/wk $1,249 -NSW $1,931 $1,836
Rent/wk $165 -NSW $445 $390
Mortgage/month $867 -NSW $2,247 $1,958
Median age 65 45.0 45.0
SEIFA decile 9/10 +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.

Browns Mountain is a locality 120 km from Sydney in New South Wales, classified as inner regional by the ABS. The postcode is 2540. It falls within the Other Territories region. The local government area is Shoalhaven.

According to the 2021 Census, Browns Mountain has a population of 20 with a median age of 65. The median weekly household income is $1,249, below the NSW average.

Housing in Browns Mountain includes a median weekly rent of $165, median monthly mortgage repayment of $867, with 9 total dwellings. Housing costs in the area sit below the NSW average. Rental properties account for 57.1% of dwellings.

On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Browns Mountain scores in decile 9 out of 10, which is well above the national average.

Browns Mountain is part of the Jervis Bay statistical area in New South Wales.

Browns Mountain Details

Postcode2540
StateNew South Wales (NSW)
Phone Area Code02
Population (2021)20
Median Age65 years
Median Household Income (Census 2021)$1,249/week
Median Personal Income (Census 2021)$762/week
Median Weekly Rent (Census 2021)$165
Median Monthly Mortgage (Census 2021)$867
Average Household Size1.8 persons
Area12.6 km²
Population Density2/km²
Total Dwellings9
Australian Citizens100.0%
Unemployment Rate0.0%
SEIFA IRSAD Decile9/10 (well above average)
Latitude-34.7947863
Longitude150.5298387
Distance from Sydney120 km
Region (SA4)Other Territories
Area (SA3)Jervis Bay
Local GovernmentShoalhaven
Federal ElectorateGilmore

Age Profile

0–14 (0.0%) 15–24 (0.0%) 25–44 (15.0%) 45–64 (30.0%) 65+ (45.0%)
Show counts
0–14 years0 (0.0%)
15–24 years0 (0.0%)
25–44 years3 (15.0%)
45–64 years6 (30.0%)
65+ years9 (45.0%)

Housing Tenure

Owned outright (42.9%) Mortgaged (0.0%) Rented (57.1%)

SEIFA Socio-economic Index

Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 9 of 10. Higher deciles indicate more advantage.

Health Conditions (2021 Census)

Arthritis5 (25.0%)

Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.

Motor Vehicles per Dwelling

No vehicle0 (0.0%)
1 vehicle6 (46.2%)
2 vehicles7 (53.8%)
3+ vehicles0 (0.0%)

Suburbs Near Browns Mountain

Same Postcode (2540)

More Browns 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.