Lost River Postcode

New South Wales

Outer Regional Above NSW income
2583
Postcode for Lost River, NSW
Phone area code: 02 · 186 km from Sydney · Pop. 94
94
Population
45
Median Age
$2,562
Household Income/wk
$215
Median Rent/wk
7/10
SEIFA Advantage
116.0
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 Lost River ranks: household income is in the top 10% of NSW suburbs.

How Lost River Compares

Lost River vs the NSW average and the national average (2021 Census, population-weighted).

MetricLost RiverNSW avgAU avg
Household income/wk $2,562 +NSW $1,931 $1,836
Rent/wk $215 -NSW $445 $390
Mortgage/month $2,034 ≈NSW $2,247 $1,958
Median age 45 45.0 45.0
SEIFA decile 7/10 ≈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.

Lost River is a locality 186 km from Sydney in New South Wales, classified as outer regional by the ABS. The postcode is 2583. It falls within the Capital Region region. The local government area is Upper Lachlan Shire.

According to the 2021 Census, Lost River has a population of 94 with a median age of 45. The median weekly household income is $2,562, above the NSW average.

Housing in Lost River includes a median weekly rent of $215, median monthly mortgage repayment of $2,034, with 25 total dwellings. Housing costs in the area sit below the NSW average. Owner-occupied dwellings (owned or mortgaged) make up 88.5% of housing.

On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Lost River scores in decile 7 out of 10, which is above the national average.

Lost River is part of the Young - Yass statistical area in New South Wales.

Lost River Details

Postcode2583
StateNew South Wales (NSW)
Phone Area Code02
Population (2021)94
Median Age45 years
Median Household Income (Census 2021)$2,562/week
Median Personal Income (Census 2021)$1,062/week
Median Weekly Rent (Census 2021)$215
Median Monthly Mortgage (Census 2021)$2,034
Average Household Size3 persons
Area116.0 km²
Population Density1/km²
Total Dwellings25
Australian Citizens90.4%
Unemployment Rate0.0%
SEIFA IRSAD Decile7/10 (above average)
Latitude-34.4629
Longitude149.32
Distance from Sydney186 km
Region (SA4)Capital Region
Area (SA3)Young - Yass
Local GovernmentUpper Lachlan Shire
Federal ElectorateHume

Age Profile

0–14 (18.1%) 15–24 (10.6%) 25–44 (11.7%) 45–64 (34.0%) 65+ (20.2%)
Show counts
0–14 years17 (18.1%)
15–24 years10 (10.6%)
25–44 years11 (11.7%)
45–64 years32 (34.0%)
65+ years19 (20.2%)

Housing Tenure

Owned outright (57.7%) Mortgaged (30.8%) Rented (11.5%)

SEIFA Socio-economic Index

Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 7 of 10. Higher deciles indicate more advantage.

Health Conditions (2021 Census)

Asthma15 (16.0%)
Arthritis13 (13.8%)
Diabetes9 (9.6%)
Heart Disease5 (5.3%)
Cancer5 (5.3%)

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 vehicle0 (0.0%)
2 vehicles11 (47.8%)
3+ vehicles12 (52.2%)

Suburbs Near Lost River

Same Postcode (2583)

More Lost River 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.