Chirnside Park flood map & planning overlays

The schematic on this page is a Chirnside Park flood map: the mapped flood overlays drawn over the suburb's terrain and street grid, covering about 9% of the suburb. Flood lines vary block to block, so for a specific property use the free interactive map - search any Chirnside Park address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.

About 9% of Chirnside Park falls within a mapped flood overlay, against the council-wide suburb average of 5%. Flood overlays vary block to block, so whether a particular lot is affected needs a property-level check.

Around 77% of Chirnside Park is mapped as bushfire-prone, compared with a Yarra Ranges average of 97%. A bushfire-prone designation can trigger additional building requirements, so check the specific address.

The dominant planning zone in Chirnside Park is Green Wedge Zone (GWZ4), though the suburb also includes Neighbourhood Residential Zone (NRZ1) and Green Wedge A Zone (GWAZ1). Zoning sets what you can build and do on a site, and can differ lot by lot.

Chirnside Park has 1 heritage-listed place on record. Heritage listing affects what you can alter or demolish, so confirm whether a specific property is listed or near a heritage place.

Across 5,210 surveyed parcels in Chirnside Park, the median lot size is about 791 m². There are also 3,253 registered easements mapped in the suburb - an easement can restrict where you can build, so always check the title and overlays for the specific lot.

There is no train station inside Chirnside Park itself. The suburb is served by 39 bus stops.

At the 2021 Census Chirnside Park had 11,779 usual residents, with a median age of 38 and an average household size of 2.8 people. The wider Chirnside Park statistical area, which contains Chirnside Park, went from 8,807 people in 2001 to 12,603 in 2025, up 43%. ABS publishes no annual population series for individual suburbs, so that trend describes the surrounding area rather than Chirnside Park alone.

On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Chirnside Park scores 1037 and sits in decile 8 of 10 nationally and decile 8 within Victoria - decile 1 being the most disadvantaged tenth of Australian suburbs and decile 10 the least. The national average score is 1000. SEIFA summarises income, education, occupation and housing across the whole suburb, so it describes the area, not any particular household in it.

Median household income in Chirnside Park was $2,084 a week at the 2021 Census, against $1,999 for the typical suburb in Yarra Ranges. Median rent was $443 a week and the median mortgage repayment $2,167 a month. These are 2021 Census figures and have not been indexed to today.

A Chirnside Park planning report pulls every overlay - zoning, flood, bushfire, heritage, environmental and noise - that touches a single lot, on live council and state data. The interactive map preview is free; the full PDF report is $9.