Thompson Beach Postcode

South Australia

Inner Regional Bottom 20% SEIFA
5501
Postcode for Thompson Beach, SA
Phone area code: 08 · 57 km from Adelaide · Pop. 219
219
Population
52
Median Age
$1,013
Household Income/wk
$253
Median Rent/wk
1/10
SEIFA Advantage
1.1
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 Thompson Beach ranks: household income sits in the bottom 25% of SA suburbs; SEIFA decile 1 places it in the bottom 20% of Australia for socio-economic advantage.

How Thompson Beach Compares

Thompson Beach vs the SA average and the national average (2021 Census, population-weighted).

MetricThompson BeachSA avgAU avg
Household income/wk $1,013 -SA $1,545 $1,836
Rent/wk $253 -SA $308 $390
Mortgage/month $1,018 -SA $1,558 $1,958
Median age 52 45.0 45.0
SEIFA decile 1/10 -SA 5.0/10 6.0/10
Unemployment 12.6% +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.

Thompson Beach is a locality 57 km from Adelaide in South Australia, classified as inner regional by the ABS. The postcode is 5501. It falls within the Barossa - Yorke - Mid North region. The local government area is Adelaide Plains.

According to the 2021 Census, Thompson Beach has a population of 219 with a median age of 52. The median weekly household income is $1,013, below the SA average. The unemployment rate is 12.6%, higher than the SA average. The Indigenous population is 6 (2.7% of residents).

Housing in Thompson Beach includes a median weekly rent of $253, median monthly mortgage repayment of $1,018, with 96 total dwellings. Housing costs in the area sit below the SA average. Owner-occupied dwellings (owned or mortgaged) make up 92.7% of housing.

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

Thompson Beach is part of the Lower North statistical area in South Australia.

Thompson Beach Details

Postcode5501
StateSouth Australia (SA)
Phone Area Code08
Population (2021)219
Median Age52 years
Median Household Income (Census 2021)$1,013/week
Median Personal Income (Census 2021)$530/week
Median Weekly Rent (Census 2021)$253
Median Monthly Mortgage (Census 2021)$1,018
Average Household Size1.8 persons
Area1.1 km²
Population Density204/km²
Total Dwellings96
Australian Citizens85.8%
Indigenous Population6 (2.7%)
Unemployment Rate12.6%
SEIFA IRSAD Decile1/10 (well below average)
Latitude-34.4858939
Longitude138.2804206
Distance from Adelaide57 km
Region (SA4)Barossa - Yorke - Mid North
Area (SA3)Lower North
Local GovernmentAdelaide Plains
Federal ElectorateGrey

Age Profile

0–14 (10.0%) 15–24 (5.5%) 25–44 (20.1%) 45–64 (38.4%) 65+ (21.9%)
Show counts
0–14 years22 (10.0%)
15–24 years12 (5.5%)
25–44 years44 (20.1%)
45–64 years84 (38.4%)
65+ years48 (21.9%)

Housing Tenure

Owned outright (36.5%) Mortgaged (56.2%) Rented (7.3%)

SEIFA Socio-economic Index

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

Health Conditions (2021 Census)

Arthritis29 (13.2%)
Diabetes23 (10.5%)
Asthma21 (9.6%)
Heart Disease13 (5.9%)
Cancer10 (4.6%)
Lung Condition9 (4.1%)
Dementia3 (1.4%)

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

Motor Vehicles per Dwelling

No vehicle3 (2.9%)
1 vehicle41 (40.2%)
2 vehicles35 (34.3%)
3+ vehicles23 (22.5%)

Suburbs Near Thompson Beach

Same Postcode (5501)

More Thompson Beach 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.