Grassdale Postcode

Queensland

Remote Top 10% SEIFA

4405

Postcode for Grassdale, QLD
Phone area code: 07 · 186 km from Brisbane · Pop. 5

Population

Median Age

$N/A

Household Income/wk

$N/A

Median Rent/wk

10/10

SEIFA Advantage

73.6

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 Grassdale ranks: household income sits in the bottom 10% of QLD suburbs; rents sit in the cheapest 10% in QLD; SEIFA decile 10 puts it in the top 20% of Australia for socio-economic advantage.

How Grassdale Compares

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

Metric	Grassdale	QLD avg	AU avg
Median age	73	44.0	45.0
SEIFA decile	10/10 +QLD	4.0/10	6.0/10

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.

Grassdale is a remote community in Queensland, with postcode 4405. It lies roughly 186 km from Brisbane, classified by the ABS as remote Australia. The area is administered by Toowoomba.

According to the 2021 Census, Grassdale has a population of 5 with a median age of 73.

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

Grassdale is part of the Burnett statistical area in Queensland.

Grassdale Details

Postcode	4405
State	Queensland (QLD)
Phone Area Code	07
Population (2021)	5
Median Age	73 years
Average Household Size	2 persons
Area	73.6 km²
Population Density	0/km²
SEIFA IRSAD Decile	10/10 (well above average)
Latitude	-27.4131282
Longitude	151.1392401
Distance from Brisbane	186 km
Region (SA4)	Wide Bay
Area (SA3)	Burnett
Local Government	Toowoomba
Federal Electorate	Maranoa

Age Profile

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

Show counts

0–14 years	0 (0.0%)
15–24 years	0 (0.0%)
25–44 years	0 (0.0%)
45–64 years	0 (0.0%)
65+ years	0 (0.0%)

SEIFA Socio-economic Index

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

Suburbs Near Grassdale

Tipton 13.2 km Cecil Plains 14.6 km St Ruth 17.3 km Ducklo 20.4 km Kupunn 20.8 km Nangwee 22.2 km Kumbarilla 23.2 km West Prairie 23.5 km Norwin 27.2 km Dalby 27.4 km Branchview 30.6 km Condamine Plains 31.4 km

Same Postcode (4405)

Beelbee Blaxland Braemar Forest Bunya Mountains Daandine Dalby Ducklo Kumbarilla Kupunn Malakoff Marmadua Mowbullan Nandi Pirrinuan Ranges Bridge Springvale St Ruth Tipton Weranga Yamsion

More Grassdale Data

Toowoomba LGA 231 suburbs, 33 postcodes, 162,338 people Climate & Weather Closest station: Dalby (29.0 km) NDIS Providers NDIS data for Toowoomba 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.