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Willoughby
New South Wales · Sydney - North Sydney and Hornsby · 68,992 people · 14 suburbs · 7 postcodes
Willoughby at a glance
Map shows the Willoughby 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.
Willoughby is a metropolitan Local Government Area in New South Wales, in the Sydney region. It covers 14 suburbs across 7 postcodes and an area of 20 km². Willoughby has a population of 68,992 , ranking #36 most populous in NSW. The most populous suburb is Chatswood (25,553 residents), and the highest median household income is in Castlecrag at $4,675/week. The LGA-wide median household income is $2,844/week and median age is 39.5. About 46.5% of residents were born overseas and 41.3% speak a language other than English at home.
Who lives here
Age structure
Show counts
| 0–14 years | 13,141 (19.0%) |
| 15–24 years | 7,523 (10.9%) |
| 25–44 years | 19,886 (28.8%) |
| 45–64 years | 17,492 (25.3%) |
| 65+ years | 10,975 (15.9%) |
How they live
Housing tenure
Dwelling type mix
Work and learning
Schools in Willoughby
14 schools across Willoughby: 57.1% Government, 28.6% Catholic, 14.3% Independent. The NSW average is 69.6% / 16.9% / 13.5%. Schools here have a median ICSEA of 1146 (range 1075 to 1181). 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 14 schools in Willoughby, sorted by enrolment:
| School | Sector | Type | Suburb | Students | ICSEA |
|---|---|---|---|---|---|
| Chatswood High School | Government | Secondary | Chatswood | 2,147 | 1137 |
| St Pius X College | Independent | Combined | Chatswood | 1,183 | 1144 |
| Chatswood Public School | Government | Primary | Chatswood | 1,083 | 1143 |
| Artarmon Public School | Government | Primary | Artarmon | 1,063 | 1167 |
| Willoughby Girls High School | Government | Secondary | Willoughby | 1,036 | 1152 |
| Willoughby Public School | Government | Primary | Willoughby | 905 | 1143 |
| Mercy Catholic College | Catholic | Secondary | Chatswood | 728 | 1134 |
| Glenaeon Rudolf Steiner School | Independent | Combined | Middle Cove | 405 | 1148 |
| Northbridge Public School | Government | Primary | Northbridge | 364 | 1181 |
| Our Lady of Dolours Catholic Primary School | Catholic | Primary | Chatswood | 355 | 1144 |
| St Thomas' Catholic Primary School | Catholic | Primary | Willoughby | 277 | 1161 |
| Castle Cove Public School | Government | Primary | Castle Cove | 273 | 1167 |
| St Philip Neri Catholic Primary School | Catholic | Primary | Northbridge | 102 | 1170 |
| Naremburn School | Government | Special | Naremburn | 30 | 1075 |
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 Willoughby. 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 Willoughby
Willoughby contains 14 suburbs and 7 postcodes. Sorted by population.
| Suburb | Postcode | Population | Median income | Median age |
|---|---|---|---|---|
| Chatswood | 2067 | 25,553 | $2,158/wk | 37 |
| Artarmon | 2064 | 9,417 | $2,420/wk | 37 |
| Willoughby | 2068 | 7,124 | $2,995/wk | 40 |
| Northbridge | 2063 | 6,493 | $3,874/wk | 44 |
| Naremburn | 2065 | 5,924 | $3,272/wk | 39 |
| North Willoughby | 2068 | 4,161 | $2,488/wk | 40 |
| Castlecrag | 2068 | 2,965 | $4,675/wk | 47 |
| Castle Cove | 2069 | 2,643 | $3,439/wk | 46 |
| Willoughby East | 2068 | 1,864 | $4,536/wk | 42 |
| Chatswood West | 2067 | 1,521 | $3,121/wk | 42 |
| Middle Cove | 2068 | 1,327 | $4,446/wk | 45 |
| Gore Hill | 2065 | |||
| Royal North Shore Hospital | 2065 | |||
| Willoughby North | 2068 |
Postcodes covered
1560, 2063, 2064, 2065, 2067, 2068, 2069
Compare Willoughby with neighbouring LGAs
Side-by-side demographic and socio-economic snapshot of Willoughby and its closest neighbouring LGAs.
| LGA | Population | Median age | Median HH income | SEIFA IRSAD | % renting | % overseas-born |
|---|---|---|---|---|---|---|
| Willoughby (NSW) | 68,992 | 39.5 | $2,844/wk | 1141 | 39.1% | 46.5% |
| North Sydney | 73,701 | 38.9 | $2,589/wk | 1164 | 54.1% | 41.2% |
| Ku-ring-gai | 131,179 | 42.4 | $3,020/wk | 1163 | 20.4% | 42.5% |
| Lane Cove | 39,313 | 38.9 | $2,956/wk | 1160 | 35.0% | 37.4% |
| Northern Beaches | 263,532 | 41.9 | $2,767/wk | 1125 | 27.8% | 30.2% |
| Ryde | 136,225 | 37.4 | $2,144/wk | 1099 | 42.8% | 49.2% |
Services and amenities
Frequently asked questions about Willoughby
What is the population of Willoughby?
The 2021 Census recorded 68,992 people living in Willoughby, across 14 suburbs.
What suburbs are in Willoughby?
Willoughby contains 14 suburbs. The most populous are Chatswood, Artarmon, Willoughby, Northbridge, Naremburn.See the full list in the Suburbs section above.
What postcodes are in Willoughby?
Willoughby covers 7 postcodes: 1560, 2063, 2064, 2065, 2067, 2068, 2069.
What is the median household income in Willoughby?
The population-weighted median household income across Willoughby is $2,844 per week (2021 Census), ranking #7 of 130 NSW LGAs.
How many schools are in Willoughby?
Willoughby has 14 schools, including 8 government, 4 Catholic, and 2 independent schools (ACARA 2025).
What is the SEIFA score for Willoughby?
Willoughby has a population-weighted SEIFA IRSAD score of 1141, 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.