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Shellharbour
New South Wales · Illawarra · 76,109 people · 26 suburbs · 4 postcodes
Shellharbour at a glance
Map shows the Shellharbour 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.
Shellharbour is a metropolitan Local Government Area in New South Wales, in the Sydney region. It covers 26 suburbs across 4 postcodes and an area of 138 km². Shellharbour has a population of 76,109 , ranking #33 most populous in NSW. The most populous suburb is Albion Park (13,826 residents), and the highest median household income is in Tongarra at $3,041/week. The LGA-wide median household income is $1,709/week and median age is 40.0. About 16.1% of residents were born overseas and 9.8% speak a language other than English at home.
Who lives here
Age structure
Show counts
| 0–14 years | 14,601 (19.2%) |
| 15–24 years | 9,391 (12.3%) |
| 25–44 years | 18,893 (24.8%) |
| 45–64 years | 19,271 (25.3%) |
| 65+ years | 13,953 (18.3%) |
How they live
Housing tenure
Dwelling type mix
Work and learning
Schools in Shellharbour
26 schools across Shellharbour: 76.9% Government, 15.4% Catholic, 7.7% Independent. The NSW average is 69.6% / 16.9% / 13.5%. Schools here have a median ICSEA of 972 (range 872 to 1099). NSW median is 1005; 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 26 schools in Shellharbour, sorted by enrolment:
| School | Sector | Type | Suburb | Students | ICSEA |
|---|---|---|---|---|---|
| Corpus Christi Catholic High School | Catholic | Secondary | Oak Flats | 1,126 | 1045 |
| Warilla High School | Government | Secondary | Barrack Heights | 1,020 | 968 |
| Shellharbour Anglican College | Independent | Combined | Dunmore | 981 | 1099 |
| Albion Park High School | Government | Secondary | Albion Park | 900 | 964 |
| St Joseph's Catholic High School | Catholic | Secondary | Albion Park | 736 | 1029 |
| Oak Flats High School | Government | Secondary | Oak Flats | 648 | 932 |
| Mount Terry Public School | Government | Primary | Albion Park | 635 | 982 |
| Lake Illawarra High School | Government | Secondary | Lake Illawarra | 542 | 894 |
| Flinders Public School | Government | Primary | Flinders | 518 | 1004 |
| Albion Park Public School | Government | Primary | Albion Park | 516 | 972 |
| Calderwood Christian School | Independent | Combined | Albion Park | 504 | 1056 |
| Tullimbar Public School | Government | Primary | Tullimbar | 483 | 1005 |
| Shell Cove Public School | Government | Primary | Shell Cove | 463 | 1049 |
| Oak Flats Public School | Government | Primary | Oak Flats | 416 | 959 |
| Stella Maris Catholic Primary School | Catholic | Primary | Shellharbour | 405 | 1050 |
| St Paul's Catholic Primary School | Catholic | Primary | Albion Park | 399 | 1037 |
| Shellharbour Public School | Government | Primary | Shellharbour | 368 | 999 |
| Albion Park Rail Public School | Government | Primary | Albion Park | 346 | 894 |
| Warilla Public School | Government | Primary | Warilla | 279 | 937 |
| Balarang Public School | Government | Primary | Oak Flats | 268 | 974 |
| Barrack Heights Public School | Government | Primary | Barrack Heights | 192 | 873 |
| Mount Warrigal Public School | Government | Primary | Warilla | 185 | 885 |
| Lake Illawarra South Public School | Government | Primary | Lake Illawarra | 177 | 954 |
| Warilla North Public School | Government | Primary | Warilla | 167 | 872 |
| Peterborough School | Government | Special | Warilla | 115 | 938 |
| Illawarra Environmental Education Centre | Government | Combined | Dunmore |
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 Shellharbour. 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 Shellharbour
Shellharbour contains 26 suburbs and 4 postcodes. Sorted by population.
| Suburb | Postcode | Population | Median income | Median age |
|---|---|---|---|---|
| Albion Park | 2527 | 13,826 | $1,938/wk | 36 |
| Shell Cove | 2529 | 7,591 | $2,452/wk | 40 |
| Flinders | 2529 | 7,118 | $2,103/wk | 36 |
| Albion Park Rail | 2527 | 6,920 | $1,411/wk | 41 |
| Oak Flats | 2529 | 6,840 | $1,488/wk | 42 |
| Warilla | 2528 | 6,226 | $987/wk | 45 |
| Barrack Heights | 2528 | 6,003 | $1,340/wk | 41 |
| Mount Warrigal | 2528 | 4,880 | $1,365/wk | 42 |
| Shellharbour | 2529 | 3,520 | $1,596/wk | 46 |
| Blackbutt | 2529 | 3,291 | $1,604/wk | 43 |
| Lake Illawarra | 2528 | 3,288 | $1,069/wk | 43 |
| Calderwood | 2527 | 3,013 | $2,431/wk | 30 |
| Tullimbar | 2527 | 1,840 | $2,217/wk | 32 |
| Barrack Point | 2528 | 725 | $1,836/wk | 48 |
| Shellharbour City Centre | 2529 | 457 | $949/wk | 71 |
| Dunmore | 2529 | 318 | $2,214/wk | 41 |
| Tongarra | 2527 | 141 | $3,041/wk | 46 |
| Croom | 2527 | 112 | $1,718/wk | 38 |
| Balarang | 2529 | |||
| Bendeela | 2577 | |||
| Calwalla | 2577 | |||
| Macquarie Pass | 2577 | |||
| Myra Vale | 2577 | |||
| Pheasant Ground | 2577 | |||
| Shellharbour Square | 2529 | |||
| Yarrunga | 2577 |
Postcodes covered
Compare Shellharbour with neighbouring LGAs
Side-by-side demographic and socio-economic snapshot of Shellharbour and its closest neighbouring LGAs.
| LGA | Population | Median age | Median HH income | SEIFA IRSAD | % renting | % overseas-born |
|---|---|---|---|---|---|---|
| Shellharbour (NSW) | 76,109 | 40.0 | $1,709/wk | 962 | 27.5% | 16.1% |
| Kiama | 23,019 | 48.4 | $1,853/wk | 1061 | 18.5% | 14.6% |
| Wingecarribee | 51,296 | 48.4 | $1,695/wk | 1032 | 20.3% | 18.1% |
| Wollongong | 214,498 | 39.3 | $1,759/wk | 1000 | 31.9% | 21.0% |
| Shoalhaven | 108,180 | 48.1 | $1,304/wk | 949 | 25.3% | 13.5% |
| Blue Mountains | 78,162 | 45.3 | $1,832/wk | 1042 | 18.2% | 17.4% |
Services and amenities
Frequently asked questions about Shellharbour
What is the population of Shellharbour?
The 2021 Census recorded 76,109 people living in Shellharbour, across 26 suburbs.
What suburbs are in Shellharbour?
Shellharbour contains 26 suburbs. The most populous are Albion Park, Shell Cove, Flinders, Albion Park Rail, Oak Flats.See the full list in the Suburbs section above.
What postcodes are in Shellharbour?
Shellharbour covers 4 postcodes: 2527, 2528, 2529, 2577.
What is the median household income in Shellharbour?
The population-weighted median household income across Shellharbour is $1,709 per week (2021 Census), ranking #41 of 130 NSW LGAs.
How many schools are in Shellharbour?
Shellharbour has 26 schools, including 20 government, 4 Catholic, and 2 independent schools (ACARA 2025).
What is the SEIFA score for Shellharbour?
Shellharbour has a population-weighted SEIFA IRSAD score of 962, 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.