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Northern Peninsula Area
Queensland · Queensland - Outback · 2,371 people · 4 suburbs · 1 postcodes
Northern Peninsula Area at a glance
Map shows the Northern Peninsula Area 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.
Northern Peninsula Area is a Local Government Area in Queensland, in the Brisbane region. It covers 4 suburbs across 1 postcodes and an area of 967 km². Northern Peninsula Area has a population of 2,371 , ranking #50 most populous in QLD. The most populous suburb is Bamaga (1,186 residents), and the highest median household income is in Bamaga at $1,630/week. The LGA-wide median household income is $1,391/week and median age is 23.3. About 2.8% of residents were born overseas and 72.9% speak a language other than English at home.
Who lives here
Age structure
Show counts
| 0–14 years | 845 (35.5%) |
| 15–24 years | 405 (17.0%) |
| 25–44 years | 618 (26.0%) |
| 45–64 years | 400 (16.8%) |
| 65+ years | 113 (4.7%) |
How they live
Housing tenure
Dwelling type mix
Work and learning
Schools in Northern Peninsula Area
1 schools across Northern Peninsula Area: 100.0% Government, 0% Catholic, 0% Independent. The QLD average is 69.8% / 17.1% / 13.1%. Schools here have a median ICSEA of 681 (range 681 to 681). QLD median is 985; 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 Northern Peninsula Area, sorted by enrolment:
| School | Sector | Type | Suburb | Students | ICSEA |
|---|---|---|---|---|---|
| Northern Peninsula Area State College | Government | Combined | Bamaga | 563 | 681 |
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 ICSEA shown where reported; some schools (notably small primaries) do not publish ICSEA.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 Northern Peninsula Area. 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 Northern Peninsula Area
Northern Peninsula Area contains 4 suburbs and 1 postcodes. Sorted by population.
| Suburb | Postcode | Population | Median income | Median age |
|---|---|---|---|---|
| Bamaga | 4876 | 1,186 | $1,630/wk | 25 |
| Injinoo | 4876 | 498 | $1,337/wk | 18 |
| Umagico | 4876 | 394 | $939/wk | 20 |
| Seisia | 4876 | 293 | $1,125/wk | 30 |
Postcodes covered
Compare Northern Peninsula Area with neighbouring LGAs
Side-by-side demographic and socio-economic snapshot of Northern Peninsula Area and its closest neighbouring LGAs.
| LGA | Population | Median age | Median HH income | SEIFA IRSAD | % renting | % overseas-born |
|---|---|---|---|---|---|---|
| Northern Peninsula Area (QLD) | 2,371 | 23.3 | $1,391/wk | 800 | 96.8% | 2.8% |
| Torres | 3,831 | 29.7 | $1,898/wk | 918 | 82.9% | 6.9% |
| Brisbane | 1,242,756 | 36.4 | $2,136/wk | 1060 | 39.4% | 31.8% |
| Torres Strait Island | 4,130 | 26.9 | $1,011/wk | 777 | 94.4% | 3.0% |
Services and amenities
Frequently asked questions about Northern Peninsula Area
What is the population of Northern Peninsula Area?
The 2021 Census recorded 2,371 people living in Northern Peninsula Area, across 4 suburbs.
What suburbs are in Northern Peninsula Area?
Northern Peninsula Area contains 4 suburbs. The most populous are Bamaga, Injinoo, Umagico, Seisia.See the full list in the Suburbs section above.
What postcodes are in Northern Peninsula Area?
Northern Peninsula Area covers 1 postcodes: 4876.
What is the median household income in Northern Peninsula Area?
The population-weighted median household income across Northern Peninsula Area is $1,391 per week (2021 Census), ranking #36 of 69 QLD LGAs.
How many schools are in Northern Peninsula Area?
Northern Peninsula Area has 1 schools, including 1 government, 0 Catholic, and 0 independent schools (ACARA 2025).
What is the SEIFA score for Northern Peninsula Area?
Northern Peninsula Area has a population-weighted SEIFA IRSAD score of 800, 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.