Seaforth, NSW 2092 — Suburb Profile
Last reviewed: · By Knowburb Research Team
In short
Seaforth is a suburb of New South Wales, postcode 2092, home to 7,384 residents with an established residential profile. Located in the Northern Beaches local government area and roughly 9 km from the Sydney CBD.
Snapshot
Demographics
- Population
- 7,384
- Median age
- 42 years
- Median household income
- $4,184 /week
- Median personal income
- $1,263 /week
- Median family income
- $4,620 /week
- Average household size
- 3.1
- Persons per bedroom
- 0.8
- Local government area
- Northern Beaches
- Statistical region (SA4)
- Sydney - Northern Beaches
- Remoteness classification
- Major Cities of Australia
- Federal electorate
- Warringah
Property & cost of living
- Median rent
- $875 /week
- Median monthly mortgage
- $4,333
- Rent share of household income
- 21%
Schools
- Seaforth Public School
- Northern Beaches Secondary College Balgowlah Boys Campus
- Balgowlah North Public School
- Beauty Point Public School
- Balgowlah Heights Public School
Transport
- Within 800 m walk: 40 bus stops
- Within 1.6 km: 119 bus stops
- Grandview Gr At Munoora St
- Ellery Pde After Munoora St
- Grandview Gr Opp Aden St
- Seaforth Cres Opp Sangrado Park
- Salisbury Sq Before Ponsonby Pde
Lifestyle & amenities
- 8 cafés
- 9 restaurants
- 42 parks and reserves
- 1 gym
- 2 libraries
- 2 supermarkets
- 16 playgrounds
Climate
- Warmest month: Jan (26.0°C avg max)
- Coolest month: Jul (16.4°C avg max)
- Annual rainfall: 1211 mm
- Reference station: Sydney (Observatory Hill), 7.6 km away
NBN & connectivity
Hybrid Fibre-Coaxial serves 98.4% of the 2,790 resolvable premises in Seaforth. Most premises here use the existing pay-TV coaxial cable, upgraded for NBN. Plans up to NBN 1000 are typically available.
- Fibre to the Premises: 1.6%
- Hybrid Fibre-Coaxial: 98.4%
Safety
- Recorded offences: 150 across postcode 2092 in the year to Dec 2025 (up 14% on the prior year).
- Most common categories: 42 theft, 35 violent offences, 24 other offences.
Frequently asked questions
What is the population of Seaforth?
Seaforth (NSW 2092) had 7,384 residents at the most recent ABS Census. The median age is 42. It sits within the Northern Beaches local government area.
What is the median rent in Seaforth?
The median advertised rent in Seaforth is $875/week, based on SQM Research listings data. Rents vary by property type, bedrooms and condition.
Are there schools in Seaforth?
Yes — 5 schools are listed within or near Seaforth covering government sectors. Nearest include: Seaforth Public School (0.9 km), Northern Beaches Secondary College Balgowlah Boys Campus (1.2 km), Balgowlah North Public School (1.5 km). School data sourced from ACARA and state education departments.
What NBN technology is available in Seaforth?
Seaforth is predominantly served by Hybrid Fibre Coaxial (98.4% of premises). Coverage data is sourced from the NBN upgrade map aggregated from NBN Co address checks.
How safe is Seaforth?
Across postcode 2092, 150 offences were recorded in the 12 months to Dec 2025. The most common offence categories were theft (42), violent (35), other (24). Crime statistics are recorded by area (postcode or LGA), not by individual suburb. Data sourced from each state's crime statistics agency.
What is the climate like in Seaforth?
In Seaforth, mean daily temperatures range from 13.8°C to 21.8°C and annual rainfall is 1,211 mm measured at the Sydney (Observatory Hill) weather station (7.6 km away). Long-term averages from the Bureau of Meteorology.
What public transport options are in Seaforth?
119 public transport stops are mapped within 1.6 km of the Seaforth centroid. Within 800 m, you'll find 40 bus stops. Stop data is sourced from state government GTFS feeds.
Sources & methodology
Demographics from ABS Census. Property data from SQM Research. Climate from Bureau of Meteorology. Schools from ACARA. NBN from NBN Co. Amenities from OpenStreetMap. See full methodology.
Additional sources for this profile: