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Franklin Harbour
South Australia · South Australia - Outback · 1,289 people · 7 suburbs · 1 postcodes
Franklin Harbour at a glance
Map shows the Franklin Harbour 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.
Federal electorate boundaries can be toggled on the map. Boundary source: ABS ASGS 2021 CED boundaries.
Franklin Harbour is a Local Government Area in South Australia, in the Adelaide region. It covers 7 suburbs across 1 postcodes and an area of 2,756 km². Franklin Harbour has a population of 1,289 , ranking #65 most populous in SA. The most populous suburb is Cowell (1,124 residents).About 6.6% of residents were born overseas and 1.1% speak a language other than English at home.
Who lives here
Age structure
Show counts
| 0–14 years | 207 (15.8%) |
| 15–24 years | 83 (6.3%) |
| 25–44 years | 258 (19.6%) |
| 45–64 years | 380 (28.9%) |
| 65+ years | 386 (29.4%) |
How they live
Housing tenure
Dwelling type mix
Work and learning
Schools in Franklin Harbour
1 schools across Franklin Harbour: 100.0% Government, 0% Catholic, 0% Independent. The SA average is 70.8% / 14.3% / 14.9%. Schools here have a median ICSEA of 969 (range 969 to 969). 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 1 schools in Franklin Harbour, sorted by enrolment:
| School | Sector | Type | Suburb | Students | ICSEA |
|---|---|---|---|---|---|
| Cowell Area School | Government | Combined | Cowell | 169 | 969 |
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 ICSEA shown where reported; some schools (notably small primaries) do not publish ICSEA.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 Franklin Harbour. 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 Franklin Harbour
Franklin Harbour contains 7 suburbs and 1 postcodes. Sorted by population.
| Suburb | Postcode | Population | Median income | Median age |
|---|---|---|---|---|
| Cowell | 5602 | 1,124 | $1,161/wk | 53 |
| Miltalie | 5602 | 67 | $1,916/wk | 33 |
| Minbrie | 5602 | 33 | $1,875/wk | 51 |
| Midgee | 5602 | 21 | $1,187/wk | 60 |
| Mitchellville | 5602 | 21 | $1,749/wk | 32 |
| Lucky Bay | 5602 | 15 | $669/wk | 72 |
| Port Gibbon | 5602 | 8 | $1,949/wk | 58 |
Postcodes covered
Compare Franklin Harbour with neighbouring LGAs
Side-by-side demographic and socio-economic snapshot of Franklin Harbour and its closest neighbouring LGAs.
| LGA | Population | Median age | SEIFA IRSAD | % renting | % overseas-born |
|---|---|---|---|---|---|
| Franklin Harbour (SA) | 1,289 | 51.9 | 923 | 22.8% | 6.6% |
| Cleve | 1,762 | 46.9 | 953 | 16.6% | 4.8% |
| Kimba | 1,021 | 44.8 | 984 | 19.2% | 4.7% |
| Unincorporated SA | 2,874 | 42.1 | 902 | 45.9% | 8.7% |
Services and amenities
Frequently asked questions about Franklin Harbour
What is the population of Franklin Harbour?
The 2021 Census recorded 1,289 people living in Franklin Harbour, across 7 suburbs.
What suburbs are in Franklin Harbour?
Franklin Harbour contains 7 suburbs. The most populous are Cowell, Miltalie, Minbrie, Midgee, Mitchellville.See the full list in the Suburbs section above.
What postcodes are in Franklin Harbour?
Franklin Harbour covers 1 postcodes: 5602.
How many schools are in Franklin Harbour?
Franklin Harbour has 1 schools, including 1 government, 0 Catholic, and 0 independent schools (ACARA 2025).
What is the SEIFA score for Franklin Harbour?
Franklin Harbour has a population-weighted SEIFA IRSAD score of 923, 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.