South Australia · Postcode 5555
Hope Gap postcode and suburb data
South Australia · Phone area code 08 · 146 km from Adelaide
Suburb snapshot
Hope 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.
Where Hope Gap ranks: household income is in the top 10% of SA suburbs; rents sit in the cheapest 10% in SA.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Hope Gap vs the SA average and the national average, using population-weighted 2021 Census data.
| Metric | Hope Gap | SA avg | AU avg |
|---|---|---|---|
| Household income/wk | $2,750 +SA | $1,545 | $1,836 |
| 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.
Hope Gap is a locality 146 km from Adelaide in South Australia, classified as outer regional by the ABS. The postcode is 5555. It falls within the Barossa - Yorke - Mid North region. The local government area is Wakefield.
According to the 2021 Census, Hope Gap has a population of 3 with a median age of 37. The median weekly household income is $2,750, above the SA average.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Hope Gap scores in decile 6 out of 10, which is around the national average.
Hope Gap is part of the Mid North statistical area in South Australia.
Hope Gap details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 5555 |
| State | South Australia (SA) |
| Phone Area Code | 08 |
| Population (2021) | 3 |
| Median Age | 37 years |
| Median Household Income (Census 2021) | $2,750/week |
| Median Personal Income (Census 2021) | $700/week |
| Average Household Size | 4 persons |
| Area | 30.5 km² |
| Population Density | 0/km² |
| Australian Citizens | 100.0% |
| Unemployment Rate | 0.0% |
| SEIFA IRSAD Decile | 6/10 (average) |
| Latitude | -33.6558716 |
| Longitude | 138.2003876 |
| Distance from Adelaide | 146 km |
| Region (SA4) | Barossa - Yorke - Mid North |
| Area (SA3) | Mid North |
| Local Government | Wakefield |
| Federal Electorate | Grey |
| State Electorate | Narungga |
| Time Zone | ACST (UTC+9:30), Australia/Adelaide (standard time) |
Age Profile
Show counts
| 0–14 years | 0 (0.0%) |
| 15–24 years | 4 (133.3%) |
| 25–44 years | 0 (0.0%) |
| 45–64 years | 0 (0.0%) |
| 65+ years | 0 (0.0%) |
SEIFA socio-economic index
Suburbs Near Hope Gap
Same Postcode (5555)
More Hope 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.