Dee Why, NSW
Suburb profile from official open data — demographics, market signals, schools and safety.
At a glance
- Population
- 23,354
- Median age
- 36
- Household income
- $2,106/wk
- Owner-occupied
- 50%
- Renting
- 47%
- Socio-economic advantage
- Decile 9/10 in NSW
- Nearest train station
- Roseville Station · 10.8 km
- Nearest emergency dept
- Northern Beaches Hospital · 5.1 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)
$2.70m
Median unit (5 yr)
$970k
Sales (5 yr)
2,929
Sales (12 mths)
340
Recorded transactions, NSW Valuer General Property Sales Information (CC BY 4.0). Recent weeks may not be registered yet.
Community safety
805 recorded incidents in 2025 · down 22.8% vs 2024
School catchments (suburb centre)
Primary
Dee Why PS
Secondary
NBSC Cromer
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 · Dee Why - North
District population (2025)
19,332
+16% over 10 years
New homes approved (12 mths to Apr 2026)
13
houses 9 · other 4
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 Dee Why:
- Pacific Parade (2,405)
- Howard Avenue (1,450)
- Pittwater Road (1,297)
- Sturdee Parade (1,210)
- Oaks Avenue (1,192)
- Dee Why Parade (1,074)
- The Crescent (694)
- Mooramba Road (668)
- Delmar Parade (653)
- Westminster Avenue (480)
- Fisher Road (478)
- Lismore Avenue (422)
Check any address in Dee Why
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.