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Tumby Bay
South Australia · South Australia - Outback · 2,804 people · 10 suburbs · 4 postcodes
Tumby Bay at a glance
Map shows the Tumby Bay LGA boundary in blue with a marker per suburb. Hover for suburb name, click for details.
Marker colour reflects SEIFA IRSAD decile: ● 1-2 (most disadvantaged), ● 3-4, ● 5-6, ● 7-8, ● 9-10 (most advantaged).
Boundary source: ABS ASGS 2021. Map tiles: OpenStreetMap contributors.
Tumby Bay is a Local Government Area in South Australia, in the Adelaide region. It covers 10 suburbs across 4 postcodes and an area of 2,561 km². Tumby Bay has a population of 2,804 , ranking #54 most populous in SA. The most populous suburb is Tumby Bay (1,781 residents), and the highest median household income is in Brooker at $2,187/week. The LGA-wide median household income is $1,168/week and median age is 52.4. About 5.3% of residents were born overseas and 1.3% speak a language other than English at home.
Who lives here
Age structure
Show counts
| 0–14 years | 481 (17.3%) |
| 15–24 years | 175 (6.3%) |
| 25–44 years | 516 (18.5%) |
| 45–64 years | 762 (27.3%) |
| 65+ years | 854 (30.6%) |
How they live
Housing tenure
Dwelling type mix
Work and learning
Schools in Tumby Bay
3 schools across Tumby Bay: 100.0% Government, 0% Catholic, 0% Independent. The SA average is 70.8% / 14.3% / 14.9%. Schools here have a median ICSEA of 1005 (range 988 to 1060). SA median is 999; national mean is 1000.
Sector mix
Type breakdown
ICSEA range
ICSEA (Index of Community Socio-Educational Advantage) summarises the socio-economic background of each school's families. Higher values indicate more advantage. Source: ACARA 2025.
All 3 schools in Tumby Bay, sorted by enrolment:
| School | Sector | Type | Suburb | Students | ICSEA |
|---|---|---|---|---|---|
| Tumby Bay Area School | Government | Combined | Tumby Bay | 237 | 988 |
| Ungarra Primary School | Government | Primary | Ungarra | 33 | 1005 |
| Port Neill Primary School | Government | Primary | Port Neill | 26 | 1060 |
Source: ACARA School Profiles 2025. ICSEA shown where reported; some schools (notably small primaries) do not publish ICSEA.
SEIFA socio-economic indexes
SEIFA 2021 ranks Australian areas across four dimensions. Scores are population-weighted averages of suburb-level SEIFA scores within Tumby Bay. Higher scores indicate more advantage; the national mean is 1000.
IRSAD
Relative socio-economic advantage and disadvantage
IRSD
Relative disadvantage only (lower = more disadvantaged)
IER
Economic resources: income, wealth, housing
IEO
Education and occupation: qualifications, skill levels
Suburbs in Tumby Bay
Tumby Bay contains 10 suburbs and 4 postcodes. Sorted by population.
| Suburb | Postcode | Population | Median income | Median age |
|---|---|---|---|---|
| Tumby Bay | 5605 | 1,781 | $1,058/wk | 57 |
| Port Neill | 5604 | 218 | $850/wk | 56 |
| Lipson | 5607 | 211 | $1,218/wk | 55 |
| Ungarra | 5607 | 156 | $1,224/wk | 32 |
| Yallunda Flat | 5607 | 120 | $1,649/wk | 36 |
| Brooker | 5607 | 90 | $2,187/wk | 33 |
| Cockaleechie | 5631 | 79 | $2,124/wk | 34 |
| Butler | 5605 | 69 | $1,312/wk | 37 |
| Koppio | 5607 | 61 | $1,187/wk | 53 |
| Moody | 5607 | 19 | $1,625/wk | 49 |
Postcodes covered
Compare Tumby Bay with neighbouring LGAs
Side-by-side demographic and socio-economic snapshot of Tumby Bay and its closest neighbouring LGAs.
| LGA | Population | Median age | Median HH income | SEIFA IRSAD | % renting | % overseas-born |
|---|---|---|---|---|---|---|
| Tumby Bay (SA) | 2,804 | 52.4 | $1,168/wk | 953 | 20.0% | 5.3% |
| Lower Eyre Peninsula | 5,864 | 44.3 | $1,651/wk | 983 | 14.8% | 6.4% |
| Cleve | 1,762 | 46.9 | $1,160/wk | 953 | 16.6% | 4.8% |
| Streaky Bay | 2,153 | 47.1 | $1,179/wk | 960 | 17.2% | 4.5% |
Services and amenities
Frequently asked questions about Tumby Bay
What is the population of Tumby Bay?
The 2021 Census recorded 2,804 people living in Tumby Bay, across 10 suburbs.
What suburbs are in Tumby Bay?
Tumby Bay contains 10 suburbs. The most populous are Tumby Bay, Port Neill, Lipson, Ungarra, Yallunda Flat.See the full list in the Suburbs section above.
What postcodes are in Tumby Bay?
Tumby Bay covers 4 postcodes: 5604, 5605, 5607, 5631.
What is the median household income in Tumby Bay?
The population-weighted median household income across Tumby Bay is $1,168 per week (2021 Census), ranking #55 of 72 SA LGAs.
How many schools are in Tumby Bay?
Tumby Bay has 3 schools, including 3 government, 0 Catholic, and 0 independent schools (ACARA 2025).
What is the SEIFA score for Tumby Bay?
Tumby Bay has a population-weighted SEIFA IRSAD score of 953, where the national average is 1000. Higher scores indicate more relative advantage.
Page last reviewed . Data sources: Australian Bureau of Statistics 2021 Census (CC BY 4.0), SEIFA 2021 (IRSD, IRSAD, IER, IEO), ACARA School Profiles 2025, ABS ASGS 2021 LGA boundaries. How this data is sourced.