Illawong flood & bushfire risk

Of Illawong’s 2,886 mapped properties, 0.2% are in a mapped flood area and 44.5% are in a bushfire hazard area.

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

Check a specific Illawong address

Risk varies property by property.

Hazard exposure

0.2%
Of properties in a flood area
44.5%
Of properties in a bushfire area
2,886
Mapped properties

Where the hazards are in Illawong

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

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Crime near Illawong

Illawong sits in the Sutherland council area, which recorded 10,806 reported offences in the 12 months to Mar 2026.

Showing all crime — tap an offence type below to plot it over time.
01,0002,0002001200520092013201720212025

Every reported offence by type — these add up to the 10,806 total. Figures are for the whole Sutherland council area (which may cover several suburbs), last 12 months. Reported offences only.

Property values in Illawong

Median sale price by property type, reported by postcode area — suburbs sharing a postcode show the same figure.

Houses
$1,880,000+4.16%
Postcode-area median · January - March 2026
Units & apartments
$1,210,000+8.76%
Postcode-area median · January - March 2026

Indicative postcode-area estimate — NSW medians are reported by postcode, so Illawong shares this figure with nearby suburbs in the same postcode. Not a valuation of any specific property. Source: NSW DCJ Rent and Sales Report — sales tables (postcode).

Zoning in Illawong

Illawong is mostly environmental. The most common zones:

Environmental72.2% of properties

Environmental management — conservation land with strong limits on development.

Zone: Environmental Living

Environmental12.9% of properties

Environmental management — conservation land with strong limits on development.

Zone: Environmental Management

Residential5.6% of properties

Low density residential — mostly detached houses on standard suburban blocks.

Zone: Low Density Residential

School catchments in Illawong

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

Who lives in Illawong

At the 2021 Census, 23.9% of Illawong’s 7,427 residents were born overseas.

Top ancestries

English29.7%
Australian27.8%
Irish9.2%
Scottish8.1%
Greek7.7%
Lebanese7.5%

Top countries of birth

England2.6%
China2.4%
Lebanon2.2%
New Zealand1.2%
Greece1.2%
North Macedonia1%

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

Development near Illawong

Sutherland council approved 1,317 new dwellings in the 12 months to Jun 2026.

1,317
Dwellings/yr
217
Houses
1,100
Units
01,0002,0002020202120222023202420252026

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

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.