Cascade Postcode

Western Australia

Very Remote Top 10% SEIFA Above WA income

6450

Postcode for Cascade, WA
Phone area code: 08 · 517 km from Perth · Pop. 103

103

Population

Median Age

$2,333

Household Income/wk

$210

Median Rent/wk

9/10

SEIFA Advantage

1287.5

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 Cascade ranks: household income is in the top 25% of WA suburbs; SEIFA decile 9 puts it in the top 20% of Australia for socio-economic advantage.

How Cascade Compares

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

Metric	Cascade	WA avg	AU avg
Household income/wk	$2,333 +WA	$1,891	$1,836
Rent/wk	$210 -WA	$355	$390
Median age	34	43.0	45.0
SEIFA decile	9/10 +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.

Cascade is a very remote community in Western Australia, with postcode 6450. It lies roughly 517 km from Perth, classified by the ABS as very remote Australia. The area is administered by Esperance.

According to the 2021 Census, Cascade has a population of 103 with a median age of 34. The median weekly household income is $2,333, above the WA average.

Housing in Cascade includes a median weekly rent of $210, 33 total dwellings. Housing costs in the area sit below the WA average. Owner-occupied dwellings (owned or mortgaged) make up 85.7% of housing.

On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Cascade scores in decile 9 out of 10, which is well above the national average.

Cascade is served by Cascade Primary School.

Cascade is part of the Esperance statistical area in Western Australia.

Cascade Details

Postcode	6450
State	Western Australia (WA)
Phone Area Code	08
Population (2021)	103
Median Age	34 years
Median Household Income (Census 2021)	$2,333/week
Median Personal Income (Census 2021)	$1,325/week
Median Weekly Rent (Census 2021)	$210
Average Household Size	2.7 persons
Area	1287.5 km²
Population Density	0/km²
Total Dwellings	33
Australian Citizens	79.6%
Unemployment Rate	0.0%
SEIFA IRSAD Decile	9/10 (well above average)
Latitude	-33.4776159
Longitude	121.0804077
Distance from Perth	517 km
Region (SA4)	Western Australia - Outback (South)
Area (SA3)	Esperance
Local Government	Esperance
Federal Electorate	O'Connor

Age Profile

23.3%

9.7%

29.1%

28.2%

0–14 (23.3%) 15–24 (9.7%) 25–44 (29.1%) 45–64 (28.2%) 65+ (2.9%)

Show counts

0–14 years	24 (23.3%)
15–24 years	10 (9.7%)
25–44 years	30 (29.1%)
45–64 years	29 (28.2%)
65+ years	3 (2.9%)

Housing Tenure

64.3%

21.4%

14.3%

Owned outright (64.3%) Mortgaged (21.4%) Rented (14.3%)

SEIFA Socio-economic Index

Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 9 of 10. Higher deciles indicate more advantage.

Health Conditions (2021 Census)

Asthma	9 (8.7%)
Diabetes	7 (6.8%)

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	8 (23.5%)
2 vehicles	15 (44.1%)
3+ vehicles	11 (32.4%)

Schools in Cascade

Cascade Primary School

Primary · Gov · ICSEA 1023 · 24 students

Suburbs Near Cascade

East Munglinup 30.8 km Munglinup 32.3 km Lort River 36.7 km Coomalbidgup 37.8 km Dalyup 54.8 km Scaddan 59.7 km North Cascade 60.7 km Jerdacuttup 67.0 km Grass Patch 67.8 km Monjingup 71.9 km Gibson 73.0 km Salmon Gums 76.1 km

Same Postcode (6450)

More Cascade Data

Esperance LGA 33 suburbs, 6 postcodes, 13,880 people Climate & Weather Closest station: Esperance (86.1 km) NDIS Providers NDIS data for Esperance 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.