Geranium Plains Postcode

South Australia

Outer Regional Bottom 20% SEIFA Above SA income

5381

Postcode for Geranium Plains, SA
Phone area code: 08 · 120 km from Adelaide · Pop. 5

Population

Median Age

$2,749

Household Income/wk

$N/A

Median Rent/wk

1/10

SEIFA Advantage

76.6

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 Geranium Plains ranks: household income is in the top 10% of SA suburbs; rents sit in the cheapest 10% in SA; SEIFA decile 1 places it in the bottom 20% of Australia for socio-economic advantage.

How Geranium Plains Compares

Geranium Plains vs the SA average and the national average (2021 Census, population-weighted).

Metric	Geranium Plains	SA avg	AU avg
Household income/wk	$2,749 +SA	$1,545	$1,836
Median age	57	45.0	45.0
SEIFA decile	1/10 -SA	5.0/10	6.0/10
Unemployment	0.0% -SA	6.0%	5.0%

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

Geranium Plains is a locality 120 km from Adelaide in South Australia, classified as outer regional by the ABS. The postcode is 5381. It falls within the Barossa - Yorke - Mid North region. The local government area is Goyder.

According to the 2021 Census, Geranium Plains has a population of 5 with a median age of 57. The median weekly household income is $2,749, above the SA average.

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

Geranium Plains is part of the Lower North statistical area in South Australia.

Geranium Plains Details

Postcode	5381
State	South Australia (SA)
Phone Area Code	08
Population (2021)	5
Median Age	57 years
Median Household Income (Census 2021)	$2,749/week
Median Personal Income (Census 2021)	$575/week
Average Household Size	2.5 persons
Area	76.6 km²
Population Density	0/km²
Australian Citizens	100.0%
Unemployment Rate	0.0%
SEIFA IRSAD Decile	1/10 (well below average)
Latitude	-33.9770804
Longitude	139.2154009
Distance from Adelaide	120 km
Region (SA4)	Barossa - Yorke - Mid North
Area (SA3)	Lower North
Local Government	Goyder
Federal Electorate	Grey

Age Profile

100.0%

0–14 (0.0%) 15–24 (0.0%) 25–44 (0.0%) 45–64 (100.0%) 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	5 (100.0%)
65+ years	0 (0.0%)

SEIFA Socio-economic Index

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

Suburbs Near Geranium Plains

Rocky Plain 7.7 km Bower 10.5 km Bright 11.3 km Bundey 12.0 km Robertstown 12.5 km Australia Plains 12.8 km Point Pass 17.8 km Brady Creek 18.1 km Hallelujah Hills 18.5 km Halleluja Hills 18.5 km Sutherlands 20.0 km Peep Hill 20.0 km

Same Postcode (5381)

Brady Creek Bright Emu Downs Halleluja Hills Hallelujah Hills Robertstown Rocky Plain Worlds End Worlds End Creek

More Geranium Plains Data

Goyder LGA 52 suburbs, 11 postcodes, 4,087 people Climate & Weather Closest station: Clare (58.2 km) NDIS Providers NDIS data for Goyder 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.