South Australia · Postcode 5271
The Gap postcode and suburb data
South Australia · Phone area code 08 · 274 km from Adelaide
Suburb snapshot
The Gap at a glance vs SA
Fast facts and benchmark bars show the suburb's key postcode, Census, SEIFA, school and LGA signals in context.
Quick facts
Benchmarks against SA
Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.
Detailed comparison table
The Gap vs the SA average and the national average, using population-weighted 2021 Census data.
| Metric | The Gap | SA avg | AU avg |
|---|---|---|---|
| Household income/wk | $1,125 -SA | $1,545 | $1,836 |
| Rent/wk | $300 ≈SA | $308 | $390 |
| Median age | 37 | 45.0 | 45.0 |
| SEIFA decile | 6/10 ≈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.
The Gap is a remote community in South Australia, with postcode 5271. It lies roughly 274 km from Adelaide, classified by the ABS as remote Australia. The area is administered by Naracoorte Lucindale.
According to the 2021 Census, The Gap has a population of 26 with a median age of 37. The median weekly household income is $1,125, below the SA average.
Housing in The Gap includes a median weekly rent of $300, 7 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, The Gap scores in decile 6 out of 10, which is around the national average.
The Gap is part of the Limestone Coast statistical area in South Australia.
The Gap details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 5271 |
| State | South Australia (SA) |
| Phone Area Code | 08 |
| Population (2021) | 26 |
| Median Age | 37 years |
| Median Household Income (Census 2021) | $1,125/week |
| Median Personal Income (Census 2021) | $725/week |
| Median Weekly Rent (Census 2021) | $300 |
| Average Household Size | 2.9 persons |
| Area | 112.4 km² |
| Population Density | 0/km² |
| Total Dwellings | 7 |
| Australian Citizens | 57.7% |
| Unemployment Rate | 0.0% |
| SEIFA IRSAD Decile | 6/10 (average) |
| Latitude | -36.7025254 |
| Longitude | 140.7063036 |
| Distance from Adelaide | 274 km |
| Region (SA4) | South Australia - South East |
| Area (SA3) | Limestone Coast |
| Local Government | Naracoorte Lucindale |
| Federal Electorate | Barker |
| State Electorate | Mackillop |
| Time Zone | ACST (UTC+9:30), Australia/Adelaide (standard time) |
Age Profile
Show counts
| 0–14 years | 3 (11.5%) |
| 15–24 years | 4 (15.4%) |
| 25–44 years | 16 (61.5%) |
| 45–64 years | 3 (11.5%) |
| 65+ years | 0 (0.0%) |
Housing Tenure
SEIFA socio-economic index
Motor Vehicles per Dwelling
| No vehicle | 0 (0.0%) |
| 1 vehicle | 0 (0.0%) |
| 2 vehicles | 3 (100.0%) |
| 3+ vehicles | 0 (0.0%) |
Suburbs Near The Gap
Same Postcode (5271)
More The Gap 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.