Dauan Island Postcode

Queensland

Very Remote Bottom 20% SEIFA

4875

Postcode for Dauan Island, QLD
Phone area code: 07 · 2289 km from Brisbane · Pop. 131

131

Population

Median Age

$739

Household Income/wk

$150

Median Rent/wk

1/10

SEIFA Advantage

3.6

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 Dauan Island ranks: household income sits in the bottom 10% of QLD suburbs; SEIFA decile 1 places it in the bottom 20% of Australia for socio-economic advantage.

How Dauan Island Compares

Dauan Island vs the QLD average and the national average (2021 Census, population-weighted).

Metric	Dauan Island	QLD avg	AU avg
Household income/wk	$739 -QLD	$1,770	$1,836
Rent/wk	$150 -QLD	$380	$390
Median age	21	44.0	45.0
SEIFA decile	1/10 -QLD	4.0/10	6.0/10
Unemployment	7.3% +QLD	6.0%	5.0%

Green pill = at least 10% above the QLD average; red = at least 10% below; grey = within 10%. For unemployment, colour polarity is inverted: lower is better.

Dauan Island is a very remote community in Queensland, with postcode 4875. It lies roughly 2289 km from Brisbane, classified by the ABS as very remote Australia. The area is administered by Torres Strait Island.

According to the 2021 Census, Dauan Island has a population of 131 with a median age of 21. The median weekly household income is $739, below the QLD average. The unemployment rate is 7.3%, higher than the QLD average. The Indigenous population is 117 (89.3% of residents).

Housing in Dauan Island includes a median weekly rent of $150, 31 total dwellings. Housing costs in the area sit below the QLD average. Rental properties account for 100.0% of dwellings.

On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Dauan Island scores in decile 1 out of 10, which is well below the national average.

Dauan Island is part of the Far North statistical area in Queensland.

Dauan Island Details

Postcode	4875
State	Queensland (QLD)
Phone Area Code	07
Population (2021)	131
Median Age	21 years
Median Household Income (Census 2021)	$739/week
Median Personal Income (Census 2021)	$550/week
Median Weekly Rent (Census 2021)	$150
Average Household Size	3.5 persons
Area	3.6 km²
Population Density	36/km²
Total Dwellings	31
Australian Citizens	92.4%
Indigenous Population	117 (89.3%)
Unemployment Rate	7.3%
SEIFA IRSAD Decile	1/10 (well below average)
Latitude	-9.4217358
Longitude	142.5362305
Distance from Brisbane	2289 km
Region (SA4)	Queensland - Outback
Area (SA3)	Far North
Local Government	Torres Strait Island
Federal Electorate	Leichhardt

Age Profile

43.5%

12.2%

26.7%

19.8%

0–14 (43.5%) 15–24 (12.2%) 25–44 (26.7%) 45–64 (19.8%) 65+ (2.3%)

Show counts

0–14 years	57 (43.5%)
15–24 years	16 (12.2%)
25–44 years	35 (26.7%)
45–64 years	26 (19.8%)
65+ years	3 (2.3%)

Housing Tenure

100.0%

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

SEIFA Socio-economic Index

Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 1 of 10. Higher deciles indicate more advantage.

Health Conditions (2021 Census)

Asthma	7 (5.3%)
Arthritis	5 (3.8%)
Diabetes	5 (3.8%)

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

Motor Vehicles per Dwelling

No vehicle	22 (81.5%)
1 vehicle	5 (18.5%)
2 vehicles	0 (0.0%)
3+ vehicles	0 (0.0%)

Suburbs Near Dauan Island

Saibai Island 17.2 km Talbot Island 38.1 km Boigu Island 38.1 km Boigu 38.1 km Iama 59.6 km Yam Island 59.6 km Mabuiag Island 70.8 km Mabuiag 70.8 km Jervis Island 71.9 km Moa Island 88.8 km Banks Island 88.8 km Guijar Islet 89.3 km

Same Postcode (4875)

More Dauan Island Data

Torres Strait Island LGA 18 suburbs, 1 postcodes, 4,130 people Climate & Weather Closest station: Thursday Island (133.4 km) NDIS Providers NDIS data for Torres Strait Island 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.