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%.
Where the hazards are in Illawong
Flood and bushfire areas across Illawong. Zoom in to see how they fall relative to individual streets.
Crime near Illawong
Illawong sits in the Sutherland council area, which recorded 10,806 reported offences in the 12 months to Mar 2026.
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.
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:
Environmental management — conservation land with strong limits on development.
Zone: Environmental Living
Environmental management — conservation land with strong limits on development.
Zone: Environmental Management
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
Top countries of birth
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 1,314 new dwellings in the 12 months to May 2026.
New dwellings approved across the whole Sutherland council area (not just Illawong). See the council trend. Source: ABS Building Approvals.
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.