Wollondilly

New South Wales · Sydney - Outer South West · 54,048 people · 35 suburbs · 11 postcodes

Wollondilly at a glance

54,048
Population
#45 of 130 in NSW
1,204
km² area
45/km² density
37.5
Median age
-2.2 vs NSW
1020
SEIFA IRSAD
#31 of 130 in NSW
17
Schools
15 gov, 1 Cath, 1 indep
11.1%
Born overseas
17.0%
Renting

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

0–14 (21.7%) 15–24 (12.8%) 25–44 (24.9%) 45–64 (25.3%) 65+ (15.3%)
Show counts
0–14 years11,716 (21.7%)
15–24 years6,906 (12.8%)
25–44 years13,453 (24.9%)
45–64 years13,672 (25.3%)
65+ years8,271 (15.3%)
11.1%
Born overseas
5.6%
Speak a language other than English at home
4.4%
First Nations
3.0
Avg household size

How they live

Housing tenure

Owned outright (32.0%) Mortgaged (51.0%) Renting (17.0%)

Dwelling type mix

Separate house (97.3%) Semi/townhouse (2.0%) Flat/apartment (0.6%)
$440
Median weekly rent
$2,394
Median monthly mortgage
24.0%
Households with 0-1 cars
76.0%
Households with 2+ cars

Work and learning

2.9%
Unemployment rate
15,073
In full-time work
8,211
In part-time work

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

NSW average for comparison
Government Catholic Independent

Type breakdown

Primary (76.5%) Secondary (5.9%) Combined (17.6%) Special (0%)

ICSEA range

700 National mean 1000 1300
LGA median 959 NSW median 1005LGA range 927 to 1054

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

1020
Ranked #31 of 130 NSW LGAs

IRSD

Relative disadvantage only (lower = more disadvantaged)

1041

IER

Economic resources: income, wealth, housing

1093

IEO

Education and occupation: qualifications, skill levels

960

Suburbs in Wollondilly

Wollondilly contains 35 suburbs and 11 postcodes. Sorted by population.

SuburbPostcodePopulationMedian incomeMedian 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.