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Wollondilly
New South Wales · Sydney - Outer South West · 54,048 people · 35 suburbs · 11 postcodes
Wollondilly at a glance
Map shows the Wollondilly 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.
Wollondilly is a Local Government Area in New South Wales, in the Sydney region. It covers 35 suburbs across 11 postcodes and an area of 1,204 km². Wollondilly has a population of 54,048 , ranking #45 most populous in NSW. The most populous suburb is Tahmoor (5,777 residents).About 11.1% of residents were born overseas and 5.6% speak a language other than English at home.
Who lives here
Age structure
Show counts
| 0–14 years | 11,716 (21.7%) |
| 15–24 years | 6,906 (12.8%) |
| 25–44 years | 13,453 (24.9%) |
| 45–64 years | 13,672 (25.3%) |
| 65+ years | 8,271 (15.3%) |
How they live
Housing tenure
Dwelling type mix
Work and learning
Schools in Wollondilly
17 schools across Wollondilly: 88.2% Government, 5.9% Catholic, 5.9% Independent. The NSW average is 69.6% / 16.9% / 13.5%. Schools here have a median ICSEA of 959 (range 927 to 1054). 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 17 schools in Wollondilly, sorted by enrolment:
| School | Sector | Type | Suburb | Students | ICSEA |
|---|---|---|---|---|---|
| Wollondilly Anglican College | Independent | Combined | Tahmoor | 1,247 | 1054 |
| Picton High School | Government | Secondary | Picton | 1,182 | 950 |
| Wilton Public School | Government | Primary | Wilton | 666 | 1018 |
| Tahmoor Public School | Government | Primary | Tahmoor | 525 | 927 |
| Warragamba Public School | Government | Primary | Warragamba | 434 | 958 |
| St Anthony's Catholic Primary School | Catholic | Primary | Picton | 410 | 1019 |
| Thirlmere Public School | Government | Primary | Thirlmere | 401 | 959 |
| Appin Public School | Government | Primary | Appin | 337 | 989 |
| The Oaks Public School | Government | Primary | The Oaks | 308 | 977 |
| Picton Public School | Government | Primary | Picton | 307 | 991 |
| Bargo Public School | Government | Primary | Bargo | 268 | 945 |
| Buxton Public School | Government | Primary | Buxton | 163 | 949 |
| Douglas Park Public School | Government | Primary | Douglas Park | 145 | 1031 |
| Oakdale Public School | Government | Primary | Oakdale | 141 | 945 |
| Yanderra Public School | Government | Primary | Yanderra | 35 | 934 |
| Camden Park Environmental Education Centre | Government | Combined | Menangle | ||
| Wooglemai Environmental Education Centre | Government | Combined | Oakdale |
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 Wollondilly. 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 Wollondilly
Wollondilly contains 35 suburbs and 11 postcodes. Sorted by population.
| Suburb | Postcode | Population | Median income | Median age |
|---|---|---|---|---|
| Tahmoor | 2573 | 5,777 | $1,739/wk | 34 |
| Picton | 2571 | 5,282 | $2,181/wk | 38 |
| Thirlmere | 2572 | 4,986 | $1,708/wk | 38 |
| Silverdale | 2752 | 4,543 | $2,654/wk | 35 |
| Bargo | 2574 | 4,516 | $1,736/wk | 41 |
| Wilton | 2571 | 3,767 | $2,840/wk | 34 |
| Appin | 2560 | 3,213 | $2,423/wk | 33 |
| The Oaks | 2570 | 2,982 | $2,265/wk | 37 |
| Camden Park | 2570 | 2,233 | $3,219/wk | 39 |
| Buxton | 2571 | 2,071 | $1,942/wk | 33 |
| Oakdale | 2570 | 2,028 | $2,083/wk | 36 |
| Douglas Park | 2569 | 1,386 | $2,250/wk | 42 |
| Orangeville | 2570 | 1,354 | $2,788/wk | 40 |
| Menangle | 2568 | 1,252 | $1,476/wk | 54 |
| Warragamba | 2752 | 1,202 | $1,548/wk | 34 |
| Razorback | 2571 | 1,174 | $2,730/wk | 43 |
| Werombi | 2570 | 941 | $2,511/wk | 40 |
| Mount Hunter | 2570 | 749 | $2,200/wk | 39 |
| Pheasants Nest | 2574 | 716 | $2,428/wk | 43 |
| Yanderra | 2574 | 702 | $2,059/wk | 35 |
| Theresa Park | 2570 | 600 | $2,522/wk | 40 |
| Belimbla Park | 2570 | 576 | $2,213/wk | 39 |
| Lakesland | 2572 | 499 | $2,454/wk | 41 |
| Cawdor | 2570 | 430 | $2,399/wk | 44 |
| Brownlow Hill | 2570 | 384 | $2,349/wk | 37 |
| Couridjah | 2571 | 282 | $1,791/wk | 40 |
| Glenmore | 2570 | 108 | $2,166/wk | 44 |
| Darkes Forest | 2508 | 95 | $2,624/wk | 45 |
| Mowbray Park | 2571 | 94 | $2,583/wk | 46 |
| Nattai | 2570 | 77 | $1,149/wk | 42 |
| Maldon | 2571 | 25 | $1,875/wk | 48 |
| Yerranderie | 2787 | 4 | $824/wk | 70 |
| Bickley Vale | 2570 | |||
| Burragorang Valley | 2570 | |||
| Lefevres Corner | 2570 |
Postcodes covered
2508, 2560, 2568, 2569, 2570, 2571, 2572, 2573, 2574, 2752, 2787
Compare Wollondilly with neighbouring LGAs
Side-by-side demographic and socio-economic snapshot of Wollondilly and its closest neighbouring LGAs.
| LGA | Population | Median age | SEIFA IRSAD | % renting | % overseas-born |
|---|---|---|---|---|---|
| Wollondilly (NSW) | 54,048 | 37.5 | 1020 | 17.0% | 11.1% |
| Camden | 119,444 | 33.6 | 1050 | 25.4% | 23.2% |
| Wingecarribee | 51,296 | 48.4 | 1032 | 20.3% | 18.1% |
| Campbelltown (NSW) | 177,795 | 35.4 | 953 | 35.0% | 35.0% |
| Wollongong | 214,498 | 39.3 | 1000 | 31.9% | 21.0% |
| Blue Mountains | 78,162 | 45.3 | 1042 | 18.2% | 17.4% |
Services and amenities
Frequently asked questions about Wollondilly
What is the population of Wollondilly?
The 2021 Census recorded 54,048 people living in Wollondilly, across 35 suburbs.
What suburbs are in Wollondilly?
Wollondilly contains 35 suburbs. The most populous are Tahmoor, Picton, Thirlmere, Silverdale, Bargo.See the full list in the Suburbs section above.
What postcodes are in Wollondilly?
Wollondilly covers 11 postcodes: 2508, 2560, 2568, 2569, 2570, 2571, 2572, 2573, 2574, 2752, 2787.
How many schools are in Wollondilly?
Wollondilly has 17 schools, including 15 government, 1 Catholic, and 1 independent schools (ACARA 2025).
What is the SEIFA score for Wollondilly?
Wollondilly has a population-weighted SEIFA IRSAD score of 1020, 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.