Diamond Tree Postcode

Western Australia

Remote Above WA income

6258

Postcode for Diamond Tree, WA
Phone area code: 08 · 266 km from Perth · Pop. 28

Population

Median Age

$2,374

Household Income/wk

$N/A

Median Rent/wk

8/10

SEIFA Advantage

40.3

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 Diamond Tree ranks: household income is in the top 25% of WA suburbs; rents sit in the cheapest 10% in WA.

How Diamond Tree Compares

Diamond Tree vs the WA average and the national average (2021 Census, population-weighted).

Metric	Diamond Tree	WA avg	AU avg
Household income/wk	$2,374 +WA	$1,891	$1,836
Mortgage/month	$3,000 +WA	$1,890	$1,958
Median age	40	43.0	45.0
SEIFA decile	8/10 +WA	6.0/10	6.0/10
Unemployment	0.0% -WA	5.0%	5.0%

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

Diamond Tree is a remote community in Western Australia, with postcode 6258. It lies roughly 266 km from Perth, classified by the ABS as remote Australia. The area is administered by Manjimup.

According to the 2021 Census, Diamond Tree has a population of 28 with a median age of 40. The median weekly household income is $2,374, above the WA average.

Housing in Diamond Tree includes a median monthly mortgage repayment of $3,000, 10 total dwellings. These housing costs sit above the WA average. Owner-occupied dwellings (owned or mortgaged) make up 100.0% of housing.

On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Diamond Tree scores in decile 8 out of 10, which is above the national average.

Diamond Tree is part of the Manjimup statistical area in Western Australia.

Diamond Tree Details

Postcode	6258
State	Western Australia (WA)
Phone Area Code	08
Population (2021)	28
Median Age	40 years
Median Household Income (Census 2021)	$2,374/week
Median Personal Income (Census 2021)	$1,024/week
Median Monthly Mortgage (Census 2021)	$3,000
Average Household Size	3.1 persons
Area	40.3 km²
Population Density	1/km²
Total Dwellings	10
Australian Citizens	100.0%
Unemployment Rate	0.0%
SEIFA IRSAD Decile	8/10 (above average)
Latitude	-34.3352889
Longitude	116.1110881
Distance from Perth	266 km
Region (SA4)	Bunbury
Area (SA3)	Manjimup
Local Government	Manjimup
Federal Electorate	O'Connor

Age Profile

17.9%

14.3%

17.9%

46.4%

14.3%

0–14 (17.9%) 15–24 (14.3%) 25–44 (17.9%) 45–64 (46.4%) 65+ (14.3%)

Show counts

0–14 years	5 (17.9%)
15–24 years	4 (14.3%)
25–44 years	5 (17.9%)
45–64 years	13 (46.4%)
65+ years	4 (14.3%)

Housing Tenure

62.5%

37.5%

Owned outright (62.5%) Mortgaged (37.5%) Rented (0.0%)

SEIFA Socio-economic Index

Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 8 of 10. Higher deciles indicate more advantage.

Health Conditions (2021 Census)

Cancer

3 (10.7%)

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	3 (100.0%)
3+ vehicles	0 (0.0%)

Suburbs Near Diamond Tree

Jardee 4.8 km Middlesex 5.2 km Eastbrook 6.4 km Smith Brook 9.5 km Deanmill 9.9 km Manjimup 10.0 km Dingup 12.9 km Pemberton 13.8 km Collins 14.3 km Collins Siding 14.3 km Ringbark 14.3 km Channybearup 14.7 km

Same Postcode (6258)

More Diamond Tree Data

Manjimup LGA 36 suburbs, 4 postcodes, 9,093 people Climate & Weather Closest station: Walpole (91.3 km) NDIS Providers NDIS data for Manjimup 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.