Seaforth NSW

Postcode 2092 · Northern Beaches LGA

Seaforth is a mid-sized suburb in New South Wales within the Northern Beaches local government area (postcode 2092). With a population of 7,384, the suburb has an established demographic with a median age of 42. Households earn a median income of $218K per year, with an average household size of 3.1 people. The most common occupations are professionals, managers, clerical & administrative. The top ancestries reported are English, Australian, Irish.

The median house price in Seaforth is $5.3 million, having surged 48.1% over the past year. Units have a median price of $1.8 million (-21.9% YoY). The current median weekly rent is $1750. This gives a gross rental yield of approximately 1.7%. The median monthly mortgage repayment is $4,333.

Seaforth is served by 1 school, including 1 primary. The average ICSEA score is 1165, which is well above the national average of 1,000. Public transport access includes 48 bus stops. The crime rate in the Northern Beaches LGA is low at 1,499 incidents per 100,000 population.

From an investment perspective, Seaforth offers a gross rental yield of 1.7%, rated as low yield. Property prices are above the state median ($5.3M/$1.5M), placing it in the premium segment. The price-to-income ratio of 24.4x is considered stretched. House prices have moved +48.1% year-on-year.

INVESTMENT SIGNALS
Rental Yield1.7% Low Yield
Price vs State$5.3M/$1.5M Above Median
Affordability24.4x Stretched
Price Momentum+48.1% Rising
SEIFA INDEX (ABS)
Advantage10/10
Education10/10
Economic10/10
Disadvantage10/10
MEDIAN HOUSE
$5.3M
48.1% YoY
MEDIAN UNIT
$1.8M
-21.9% YoY
MEDIAN RENT /WK
$875
POPULATION
7,384
DEMOGRAPHICS
Median Age42
Household Size3.1
HH Income /wk$4,184
Personal Income /wk$1263
Mortgage /mth$4,333
CRIME (Northern Beaches LGA)
Crime Rate (per 100k)1,499
Total Incidents4,058
TRANSPORT
Bus Stops48
SCHOOLS (1)
Avg ICSEA1165
Total Students394
Government1
Seaforth Public SchoolPrimary · Government · ICSEA 1165
Data: 2026