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Lost River Postcode
New South Wales
Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.
How Lost River Compares
Lost River vs the NSW average and the national average (2021 Census, population-weighted).
| Metric | Lost River | NSW avg | AU 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
| Postcode | 2583 |
| State | New South Wales (NSW) |
| Phone Area Code | 02 |
| Population (2021) | 94 |
| Median Age | 45 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 Size | 3 persons |
| Area | 116.0 km² |
| Population Density | 1/km² |
| Total Dwellings | 25 |
| Australian Citizens | 90.4% |
| Unemployment Rate | 0.0% |
| SEIFA IRSAD Decile | 7/10 (above average) |
| Latitude | -34.4629 |
| Longitude | 149.32 |
| Distance from Sydney | 186 km |
| Region (SA4) | Capital Region |
| Area (SA3) | Young - Yass |
| Local Government | Upper Lachlan Shire |
| Federal Electorate | Hume |
Age Profile
Show counts
| 0–14 years | 17 (18.1%) |
| 15–24 years | 10 (10.6%) |
| 25–44 years | 11 (11.7%) |
| 45–64 years | 32 (34.0%) |
| 65+ years | 19 (20.2%) |
Housing Tenure
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)
| Asthma | 15 (16.0%) |
| Arthritis | 13 (13.8%) |
| Diabetes | 9 (9.6%) |
| Heart Disease | 5 (5.3%) |
| Cancer | 5 (5.3%) |
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 | 0 (0.0%) |
| 2 vehicles | 11 (47.8%) |
| 3+ vehicles | 12 (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.