Castle Cove NSW

Postcode 2069 · Willoughby LGA

Castle Cove is a smaller suburb in New South Wales within the Willoughby local government area (postcode 2069). With a population of 2,643, the suburb has a mature demographic with a median age of 46. Households earn a median income of $179K per year, with an average household size of 2.9 people. The most common occupations are professionals, managers, clerical & administrative. The top ancestries reported are English, Australian, Chinese.

The median house price in Castle Cove is $3.9 million, having declined 3.1% over the past year. Units have a median price of $2.9 million (+16% YoY). The current median weekly rent is $825. This gives a gross rental yield of approximately 1.1%. The median monthly mortgage repayment is $4,000.

Castle Cove is served by 1 school, including 1 primary. The average ICSEA score is 1167, which is well above the national average of 1,000. Public transport access includes 22 bus stops. The crime rate in the Willoughby LGA is below average at 2,156 incidents per 100,000 population.

From an investment perspective, Castle Cove offers a gross rental yield of 1.1%, rated as low yield. Property prices are above the state median ($3.9M/$1.5M), placing it in the premium segment. The price-to-income ratio of 21.7x is considered stretched. House prices have moved -3.1% year-on-year.

INVESTMENT SIGNALS
Rental Yield1.1% Low Yield
Price vs State$3.9M/$1.5M Above Median
Affordability21.7x Stretched
Price Momentum-3.1% Falling
INCOME (ATO 2022-23)
Median Income$80,000
Mean Income$170,999
Earners10,106
YoY Change+5%
SEIFA INDEX (ABS)
Advantage10/10
Education10/10
Economic10/10
Disadvantage10/10
MEDIAN HOUSE
$3.9M
-3.1% YoY
MEDIAN UNIT
$2.9M
16% YoY
MEDIAN RENT /WK
$1000
POPULATION
2,643
DEMOGRAPHICS
Median Age46
Household Size2.9
HH Income /wk$3,439
Personal Income /wk$1219
Mortgage /mth$4,000
CRIME (Willoughby LGA)
Crime Rate (per 100k)2,156
Total Incidents1,717
TRANSPORT
Bus Stops22
SCHOOLS (1)
Avg ICSEA1167
Total Students273
Government1
Castle Cove Public SchoolPrimary · Government · ICSEA 1167
Data: 2025