Shellharbour

New South Wales · Illawarra · 76,109 people · 26 suburbs · 4 postcodes

Shellharbour at a glance

76,109
Population
#33 of 130 in NSW
138
km² area
553/km² density
40.0
Median age
+0.3 vs NSW
$1,709
Median HH income/wk
#41 of 130 in NSW
962
SEIFA IRSAD
#57 of 130 in NSW
26
Schools
20 gov, 4 Cath, 2 indep
16.1%
Born overseas
27.5%
Renting

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

0–14 (19.2%) 15–24 (12.3%) 25–44 (24.8%) 45–64 (25.3%) 65+ (18.3%)
Show counts
0–14 years14,601 (19.2%)
15–24 years9,391 (12.3%)
25–44 years18,893 (24.8%)
45–64 years19,271 (25.3%)
65+ years13,953 (18.3%)
16.1%
Born overseas
9.8%
Speak a language other than English at home
5.0%
First Nations
2.7
Avg household size

How they live

Housing tenure

Owned outright (34.8%) Mortgaged (37.7%) Renting (27.5%)

Dwelling type mix

Separate house (86.0%) Semi/townhouse (10.9%) Flat/apartment (3.1%)
$442
Median weekly rent
$2,041
Median monthly mortgage
37.5%
Households with 0-1 cars
62.5%
Households with 2+ cars

Work and learning

4.5%
Unemployment rate
18,736
In full-time work
11,438
In part-time work

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

NSW average for comparison
Government Catholic Independent

Type breakdown

Primary (61.5%) Secondary (23.1%) Combined (11.5%) Special (3.8%)

ICSEA range

700 National mean 1000 1300
LGA median 972 NSW median 1005LGA range 872 to 1099

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

962
Ranked #57 of 130 NSW LGAs

IRSD

Relative disadvantage only (lower = more disadvantaged)

983

IER

Economic resources: income, wealth, housing

1014

IEO

Education and occupation: qualifications, skill levels

928

Suburbs in Shellharbour

Shellharbour contains 26 suburbs and 4 postcodes. Sorted by population.

SuburbPostcodePopulationMedian incomeMedian 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

2527, 2528, 2529, 2577

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.