Castle Cove, NSW
Suburb profile from official open data — demographics, market signals, schools and safety.
At a glance
- Population
- 2,643
- Median age
- 46
- Household income
- $3,439/wk
- Owner-occupied
- 81%
- Renting
- 11%
- Socio-economic advantage
- Decile 10/10 in NSW
- Nearest train station
- Roseville Station · 3 km
- Nearest emergency dept
- Northern Beaches Hospital · 4.4 km
Sources: ABS Census 2021 & SEIFA 2021 (CC BY 4.0); distances are straight-line from the suburb's address centroid.
Property market — real sales
Median house (5 yr)
$3.97m
Median unit (5 yr)
$2.35m
Sales (5 yr)
180
Sales (12 mths)
16
Recorded transactions, NSW Valuer General Property Sales Information (CC BY 4.0). Recent weeks may not be registered yet.
Community safety
41 recorded incidents in 2025 · down 16.3% vs 2024
School catchments (suburb centre)
Primary
Castle Cove PS
Secondary
Killarney Hts HS
Secondary
Willoughby GHS
Zones at the suburb's address centroid — individual addresses can differ; check any address on PropertyCheck for its exact zones. Source: state education departments (CC BY).
Growth & supply · Castle Cove - Northbridge
District population (2025)
13,592
-1% over 10 years
New homes approved (12 mths to May 2026)
84
houses 26 · other 58
ABS statistical district (SA2) containing the suburb centre (CC BY 4.0).
Sold prices by street
Every recorded transaction, free — the most-traded streets in Castle Cove:
- Deepwater Road (205)
- Neerim Road (123)
- Headland Road (76)
- Cammaray Road (50)
- Willowie Road (44)
- Rosebridge Avenue (44)
- Emerstan Drive (38)
- Boundary Street (38)
- Holly Street (35)
- Warrawee Avenue (34)
- Allambie Road (34)
- Kendall Road (30)
Check any address in Castle Cove
Free value estimate with the comparable evidence behind it — no paywall, no sign-up.
All figures from official open data with attribution; estimates and medians are statistical outputs, not valuations. Suburb boundaries follow ABS Suburbs and Localities (SAL) 2021.