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Collaroy Plateau, NSW

Suburb profile from official open data — demographics, market signals, schools and safety.

At a glance

Population
4,805
Median age
40
Household income
$3,278/wk
Owner-occupied
86%
Renting
13%
Socio-economic advantage
Decile 10/10 in NSW
Nearest train station
Roseville Station · 12.1 km
Nearest emergency dept
Mona Vale Hospital · 5.2 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)

$2.74m

Median unit (5 yr)

$665k

Sales (5 yr)

314

Sales (12 mths)

33

Recorded transactions, NSW Valuer General Property Sales Information (CC BY 4.0). Recent weeks may not be registered yet.

Community safety

55 recorded incidents in 2025 · up 19.6% vs 2024

Full crime statistics →

School catchments (suburb centre)

Primary

Collaroy Plateau 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 · Collaroy - Collaroy Plateau

District population (2025)

14,229

+0% over 10 years

New homes approved (12 mths to Apr 2026)

39

houses 26 · other 13

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 Collaroy Plateau:

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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.