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New South Wales · Postcode 2846
Round Swamp postcode and suburb data
New South Wales · Phone area code 02 · 147 km from Sydney
Suburb snapshot
Round Swamp 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 Round Swamp ranks: household income sits in the bottom 10% of NSW suburbs; SEIFA decile 2 places it in the bottom 20% of Australia for socio-economic advantage.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Round Swamp vs the NSW average and the national average, using population-weighted 2021 Census data.
| Metric | Round Swamp | NSW avg | AU avg |
|---|---|---|---|
| Household income/wk | $687 -NSW | $1,931 | $1,836 |
| Mortgage/month | $2,061 ≈NSW | $2,247 | $1,958 |
| Median age | 63 | 45.0 | 45.0 |
| SEIFA decile | 2/10 -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.
Round Swamp is a locality 147 km from Sydney in New South Wales, classified as outer regional by the ABS. The postcode is 2846. It falls within the Central West region. The local government area is Lithgow.
According to the 2021 Census, Round Swamp has a population of 11 with a median age of 63. The median weekly household income is $687, below the NSW average.
Housing in Round Swamp includes a median monthly mortgage repayment of $2,061, 5 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, Round Swamp scores in decile 2 out of 10, which is well below the national average.
Round Swamp is part of the Lithgow - Mudgee statistical area in New South Wales.
Round Swamp details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 2846 |
| State | New South Wales (NSW) |
| Phone Area Code | 02 |
| Population (2021) | 11 |
| Median Age | 63 years |
| Median Household Income (Census 2021) | $687/week |
| Median Personal Income (Census 2021) | $374/week |
| Median Monthly Mortgage (Census 2021) | $2,061 |
| Average Household Size | 2.1 persons |
| Area | 19.3 km² |
| Population Density | 1/km² |
| Total Dwellings | 5 |
| Australian Citizens | 136.4% |
| Unemployment Rate | 0.0% |
| SEIFA IRSAD Decile | 2/10 (well below average) |
| Latitude | -33.0757198 |
| Longitude | 149.936004 |
| Distance from Sydney | 147 km |
| Region (SA4) | Central West |
| Area (SA3) | Lithgow - Mudgee |
| Local Government | Lithgow |
| Federal Electorate | Calare |
| State Electorate | Bathurst |
| Time Zone | AEST (UTC+10), Australia/Sydney (standard time) |
Age Profile
Show counts
| 0–14 years | 0 (0.0%) |
| 15–24 years | 0 (0.0%) |
| 25–44 years | 6 (54.5%) |
| 45–64 years | 4 (36.4%) |
| 65+ years | 3 (27.3%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Arthritis | 7 (63.6%) |
| Heart Disease | 3 (27.3%) |
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 | 3 (100.0%) |
| 2 vehicles | 0 (0.0%) |
| 3+ vehicles | 0 (0.0%) |
Suburbs Near Round Swamp
Same Postcode (2846)
More Round Swamp 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.