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Dangar Island flood & bushfire risk

Of Dangar Island’s 252 mapped properties, 2.8% are in a mapped flood area and 44.4% are in a bushfire hazard area.

For context, Dangar Island’s flood exposure is below the NSW average of 5%, and bushfire exposure is above the NSW average of 16.4%.

2.8%
In a flood area
44.4%
In a bushfire area
252
Mapped properties

Where the hazards are in Dangar Island

Flood and bushfire areas across Dangar Island. Zoom in to see how they fall relative to individual streets.

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Crime near Dangar Island

Dangar Island sits in the Hornsby council area, which recorded 5,312 reported offences in the 12 months to Mar 2026.

Showing all crime — tap an offence type below to plot it over time.
04258502001200520092013201720212025

Every reported offence by type — these add up to the 5,312 total. Figures are for the whole Hornsby council area (which may cover several suburbs), last 12 months. Reported offences only.

Zoning in Dangar Island

Dangar Island is mostly environmental. The most common zones:

Environmental96% of properties

Environmental management — conservation land with strong limits on development.

Zone: Environmental Living

Residential2% of properties

General residential — standard housing; allowable density varies by precinct.

Zone: Neighbourhood Centre

Open space2% of properties

Open space / recreation — parks and sporting land; not for housing.

Zone: Public Recreation

School catchments in Dangar Island

Dangar Island can span more than one catchment — check a specific address (below) for the exact school.

Who lives in Dangar Island

At the 2021 Census, 33.9% of Dangar Island’s 313 residents were born overseas.

Top ancestries

English50.8%
Australian27.2%
Scottish17.3%
Irish16.3%
German7%
Chinese3.5%

Top countries of birth

England13.7%
New Zealand5.1%
United States4.2%
China1.6%
Germany1.6%
Netherlands1.6%

Ancestry counts people reporting each ancestry (up to two each), as a share of responses. Source: ABS 2021 Census.

Development near Dangar Island

Hornsby council approved 411 new dwellings in the 12 months to May 2026.

411
Dwellings/yr
207
Houses
204
Units
03507002020202120222023202420252026

New dwellings approved across the whole Hornsby council area (not just Dangar Island). See the council trend. Source: ABS Building Approvals.

Risk varies property by property. Check a specific Dangar Island address:

Nearby suburbs

Figures are indicative only — verify any specific property with the relevant council. Sources: council/state planning schemes & flood mapping, Geoscape G-NAF, state police crime statistics, ABS.