Postcode 2120
Thornleigh, Pennant Hills, Westleigh · NSW
Whole postcode 9,706 addresses · 21,087 people
Share of the postcode's people (Census 2021) in each area.
| Federal electorate (2025) | Berowra |
|---|---|
| State/territory electorate (2025) | Wahroonga Hornsby Epping |
| Local government area (2025) | Hornsby |
| Statistical Area 2 (2026) | Normanhurst - Thornleigh - Westleigh Pennant Hills - Cheltenham |
| Statistical Area 3 (2026) | Hornsby Pennant Hills - Epping |
| Statistical Area 4 (2026) | Sydney - North Sydney and Hornsby Sydney - Ryde |
| Greater capital city area (2026) | Greater Sydney |
| Remoteness area (2021) | Major Cities of Australia |
| ABS postal area (2021) | 2120 2076 2125 2119 |
Suburbs and localities
Thornleigh 4,346 addresses · 8,957 people
Coordinates: -33.72518, 151.08092
| Federal electorate (2025) | Berowra |
|---|---|
| State/territory electorate (2025) | Wahroonga |
| Local government area (2025) | Hornsby |
| Statistical Area 2 (2026) | Normanhurst - Thornleigh - Westleigh Pennant Hills - Cheltenham |
| Statistical Area 3 (2026) | Hornsby Pennant Hills - Epping |
| Statistical Area 4 (2026) | Sydney - North Sydney and Hornsby Sydney - Ryde |
| Greater capital city area (2026) | Greater Sydney |
| Remoteness area (2021) | Major Cities of Australia |
| ABS suburb/locality (2021) | Thornleigh Normanhurst Pennant Hills |
| ABS postal area (2021) | 2120 2076 |
Pennant Hills 3,641 addresses · 7,620 people
Coordinates: -33.73732, 151.06881
| Federal electorate (2025) | Berowra |
|---|---|
| State/territory electorate (2025) | Wahroonga Hornsby Epping |
| Local government area (2025) | Hornsby |
| Statistical Area 2 (2026) | Pennant Hills - Cheltenham Normanhurst - Thornleigh - Westleigh |
| Statistical Area 3 (2026) | Pennant Hills - Epping Hornsby |
| Statistical Area 4 (2026) | Sydney - Ryde Sydney - North Sydney and Hornsby |
| Greater capital city area (2026) | Greater Sydney |
| Remoteness area (2021) | Major Cities of Australia |
| ABS suburb/locality (2021) | Pennant Hills Thornleigh West Pennant Hills Beecroft |
| ABS postal area (2021) | 2120 2125 2119 |
Westleigh 1,719 addresses · 4,510 people
Coordinates: -33.71499, 151.07071
| Federal electorate (2025) | Berowra |
|---|---|
| State/territory electorate (2025) | Wahroonga |
| Local government area (2025) | Hornsby |
| Statistical Area 2 (2026) | Normanhurst - Thornleigh - Westleigh Pennant Hills - Cheltenham |
| Statistical Area 3 (2026) | Hornsby Pennant Hills - Epping |
| Statistical Area 4 (2026) | Sydney - North Sydney and Hornsby Sydney - Ryde |
| Greater capital city area (2026) | Greater Sydney |
| Remoteness area (2021) | Major Cities of Australia |
| ABS suburb/locality (2021) | Westleigh Thornleigh Pennant Hills |
| ABS postal area (2021) | 2120 |
Areas are assigned from the location of every address in the postcode, so a postcode that straddles a boundary shows each area with its share. People and dwellings are Census 2021 counts, apportioned to addresses within each mesh block; "—" means an area with no residents. About the data.