Round Swamp Postcode

New South Wales

Outer Regional Bottom 20% SEIFA

2846

Postcode for Round Swamp, NSW
Phone area code: 02 · 147 km from Sydney · Pop. 11

Population

Median Age

$687

Household Income/wk

$N/A

Median Rent/wk

2/10

SEIFA Advantage

19.3

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 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.

How Round Swamp Compares

Round Swamp vs the NSW average and the national average (2021 Census, population-weighted).

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

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

Age Profile

54.5%

36.4%

27.3%

0–14 (0.0%) 15–24 (0.0%) 25–44 (54.5%) 45–64 (36.4%) 65+ (27.3%)

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

100.0%

Owned outright (100.0%) Mortgaged (0.0%) Rented (0.0%)

SEIFA Socio-economic Index

Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 2 of 10. Higher deciles indicate more advantage.

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

Running Stream 7.3 km Capertee 9.1 km Palmers Oaky 11.0 km Brogans Creek 12.7 km Ilford 14.2 km Clandulla 17.7 km Mount Marsden 17.8 km Upper Turon 18.3 km Bogee 19.3 km Oakey Park 19.8 km Ben Bullen 19.8 km Clarence 19.8 km

Same Postcode (2846)

Airly Capertee Glen Davis Kangaroo Flat

More Round Swamp Data

Lithgow LGA 65 suburbs, 10 postcodes, 20,553 people Climate & Weather Closest station: Lithgow (50.6 km) Fuel Prices New South Wales fuel prices NDIS Providers NDIS data for Lithgow LGA

Page last reviewed June 2026. Data sources: Australian Bureau of Statistics 2021 Census (CC BY 4.0), SEIFA 2021 IRSAD, ACARA school profiles 2025. How this data is sourced.