Rapid Bay Postcode

South Australia

Inner Regional Bottom 20% SEIFA
5204
Postcode for Rapid Bay, SA
Phone area code: 08 · 78 km from Adelaide · Pop. 15
15
Population
56
Median Age
$450
Household Income/wk
$N/A
Median Rent/wk
2/10
SEIFA Advantage
15.3
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 Rapid Bay ranks: household income sits in the bottom 10% of SA suburbs; SEIFA decile 2 places it in the bottom 20% of Australia for socio-economic advantage.

How Rapid Bay Compares

Rapid Bay vs the SA average and the national average (2021 Census, population-weighted).

MetricRapid BaySA avgAU avg
Household income/wk $450 -SA $1,545 $1,836
Median age 56 45.0 45.0
SEIFA decile 2/10 -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.

Rapid Bay is a locality 78 km from Adelaide in South Australia, classified as inner regional by the ABS. The postcode is 5204. It falls within the South Australia - South East region. The local government area is Yankalilla.

According to the 2021 Census, Rapid Bay has a population of 15 with a median age of 56. The median weekly household income is $450, below the SA average.

Housing in Rapid Bay includes a 4 total dwellings. Housing costs in the area sit below the SA average. Owner-occupied dwellings (owned or mortgaged) make up 100.0% of housing.

On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Rapid Bay scores in decile 2 out of 10, which is well below the national average.

Rapid Bay is served by Rapid Bay Primary School.

Rapid Bay is part of the Fleurieu - Kangaroo Island statistical area in South Australia.

Rapid Bay Details

Postcode5204
StateSouth Australia (SA)
Phone Area Code08
Population (2021)15
Median Age56 years
Median Household Income (Census 2021)$450/week
Median Personal Income (Census 2021)$599/week
Average Household Size1.2 persons
Area15.3 km²
Population Density1/km²
Total Dwellings4
Australian Citizens73.3%
Unemployment Rate0.0%
SEIFA IRSAD Decile2/10 (well below average)
Latitude-35.5452907
Longitude138.187376
Distance from Adelaide78 km
Region (SA4)South Australia - South East
Area (SA3)Fleurieu - Kangaroo Island
Local GovernmentYankalilla
Federal ElectorateMayo

Age Profile

0–14 (0.0%) 15–24 (0.0%) 25–44 (0.0%) 45–64 (20.0%) 65+ (20.0%)
Show counts
0–14 years0 (0.0%)
15–24 years0 (0.0%)
25–44 years0 (0.0%)
45–64 years3 (20.0%)
65+ years3 (20.0%)

Housing Tenure

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

SEIFA Socio-economic Index

Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 2 of 10. Higher deciles indicate more advantage.

Health Conditions (2021 Census)

Arthritis6 (40.0%)

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

Schools in Rapid Bay

Rapid Bay Primary School
Primary · Gov · ICSEA 975 · 29 students

Suburbs Near Rapid Bay

Same Postcode (5204)

More Rapid Bay Data

Page last reviewed . Data sources: Australian Bureau of Statistics 2021 Census (CC BY 4.0), SEIFA 2021 IRSAD, ACARA school profiles 2025. How this data is sourced.