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Karratha
Western Australia · Western Australia - Outback (North) · 22,209 people · 27 suburbs · 4 postcodes
Karratha at a glance
Map shows the Karratha 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.
Karratha is a Local Government Area in Western Australia, in the Perth region. It covers 27 suburbs across 4 postcodes and an area of 15,218 km². Karratha has a population of 22,209 , ranking #30 most populous in WA. The most populous suburb is Nickol (4,938 residents).About 18.6% of residents were born overseas and 12.5% speak a language other than English at home.
Who lives here
Age structure
Show counts
| 0–14 years | 5,620 (25.3%) |
| 15–24 years | 2,373 (10.7%) |
| 25–44 years | 8,465 (38.1%) |
| 45–64 years | 5,026 (22.6%) |
| 65+ years | 728 (3.3%) |
How they live
Housing tenure
Dwelling type mix
Work and learning
Schools in Karratha
11 schools across Karratha: 81.8% Government, 18.2% Catholic, 0% Independent. The WA average is 71.4% / 14.1% / 14.5%. Schools here have a median ICSEA of 925 (range 686 to 1019). WA median is 1006; 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 11 schools in Karratha, sorted by enrolment:
| School | Sector | Type | Suburb | Students | ICSEA |
|---|---|---|---|---|---|
| Karratha Senior High School | Government | Secondary | Karratha | 1,253 | 918 |
| Baynton West Primary School | Government | Primary | Baynton | 830 | 992 |
| Tambrey Primary School | Government | Primary | Karratha | 683 | 930 |
| St Luke's College | Catholic | Secondary | Karratha | 594 | 1010 |
| Wickham Primary School | Government | Primary | Wickham | 355 | 905 |
| St Paul's Primary School | Catholic | Primary | Karratha | 339 | 1019 |
| Millars Well Primary School | Government | Primary | Karratha | 301 | 925 |
| Karratha Primary School | Government | Primary | Karratha | 268 | 912 |
| Pegs Creek Primary School | Government | Primary | Karratha | 234 | 899 |
| Dampier Primary School | Government | Primary | Dampier | 193 | 984 |
| Roebourne District High School | Government | Combined | Roebourne | 141 | 686 |
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 Karratha. 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 Karratha
Karratha contains 27 suburbs and 4 postcodes. Sorted by population.
| Suburb | Postcode | Population | Median income | Median age |
|---|---|---|---|---|
| Nickol | 6714 | 4,938 | $3,736/wk | 31 |
| Baynton | 6714 | 4,496 | $3,390/wk | 31 |
| Bulgarra | 6714 | 2,990 | $2,812/wk | 33 |
| Millars Well | 6714 | 2,104 | $3,188/wk | 31 |
| Pegs Creek | 6714 | 2,050 | $2,420/wk | 33 |
| Wickham | 6720 | 2,022 | $3,358/wk | 31 |
| Dampier | 6713 | 1,282 | $3,664/wk | 35 |
| Roebourne | 6718 | 975 | $1,062/wk | 34 |
| Mardie | 6714 | 609 | $1,125/wk | 39 |
| Point Samson | 6720 | 249 | $2,478/wk | 45 |
| Gap Ridge | 6714 | 175 | $1,375/wk | 39 |
| Karratha Industrial Estate | 6714 | 163 | $2,028/wk | 39 |
| Karratha | 6714 | 98 | $1,583/wk | 34 |
| Cossack | 6720 | 14 | $2,124/wk | 24 |
| Maitland | 6714 | 12 | $1,375/wk | 49 |
| Balla Balla | 6714 | 8 | $725/wk | 68 |
| Cleaverville | 6714 | 8 | $824/wk | 68 |
| Stove Hill | 6714 | 6 | $2,250/wk | 52 |
| Gnoorea | 6714 | 5 | $900/wk | 57 |
| Whim Creek | 6718 | 5 | $2,749/wk | 52 |
| Antonymyre | 6714 | |||
| Burrup | 6714 | 43 | ||
| Cooya Pooya | 6714 | |||
| Dampier Archipelago | 6713 | |||
| Mount Anketell | 6714 | |||
| Mulataga | 6714 | |||
| Sherlock | 6714 | $1,375/wk | 78 |
Postcodes covered
Compare Karratha with neighbouring LGAs
Side-by-side demographic and socio-economic snapshot of Karratha and its closest neighbouring LGAs.
| LGA | Population | Median age | SEIFA IRSAD | % renting | % overseas-born |
|---|---|---|---|---|---|
| Karratha (WA) | 22,209 | 32.4 | 1035 | 66.1% | 18.6% |
| Port Hedland | 15,628 | 32.8 | 999 | 73.0% | 20.6% |
Services and amenities
Frequently asked questions about Karratha
What is the population of Karratha?
The 2021 Census recorded 22,209 people living in Karratha, across 27 suburbs.
What suburbs are in Karratha?
Karratha contains 27 suburbs. The most populous are Nickol, Baynton, Bulgarra, Millars Well, Pegs Creek.See the full list in the Suburbs section above.
What postcodes are in Karratha?
Karratha covers 4 postcodes: 6713, 6714, 6718, 6720.
How many schools are in Karratha?
Karratha has 11 schools, including 9 government, 2 Catholic, and 0 independent schools (ACARA 2025).
What is the SEIFA score for Karratha?
Karratha has a population-weighted SEIFA IRSAD score of 1035, 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.