Gonn Crossing flood map & planning overlays
Gonn Crossing sits almost wholly in flood mapping, 99.9%, top in Gannawarra.
Free map preview, then PDF reports from $9 - about the price of an iced latte on a public holiday.
A planning-constraint profile of Gonn Crossing
(Gannawarra, VIC) - 7.86 km², mapped from live council and
state overlay data. This suburb is highly constrained.
Profile updated 15 October 2026.
Constraint readout
7.86 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Gonn Crossing's boundary, with the flood, bushfire and environmental overlays drawn on top.
Nearby suburbs, nearest first
Gonn Crossing at a glance
How Gonn Crossing is zoned
Selling in Gonn Crossing? The zoning and planning overlays on this page are the controls a Section 32 vendor statement discloses.
Across its 7.86 km², Gonn Crossing is highly constrained by planning overlays. About 100% of the suburb sits within a mapped flood overlay, and 100% is flagged bushfire-prone. There is 1 heritage-listed site on record, and the dominant land-use zone is Farming Zone (FZ). The median lot measures about 29,200 m² across 107 parcels.
Who lives in Gonn Crossing
Census 2021 figures published by the ABS for the Gonn Crossing suburb boundary itself, not a wider region.
Socio-economic standing
ABS SEIFA 2021 ranks every Australian suburb. Decile 1 is the most disadvantaged tenth of the country, decile 10 the least.
Score 913, and decile 1 within Victoria. The national average is 1000.
Population trend, 2001 to 2025
Estimated resident population of Gannawarra, the wider ABS statistical area containing Gonn Crossing. There is no annual population series published at suburb level, so this describes the surrounding area rather than Gonn Crossing itself.
7,625 in 2001 to 6,522 in 2025, down 14%.
Source: ABS Census 2021 and SEIFA 2021 (Suburbs and Localities), Regional Population (SA2), CC BY 4.0. Small counts are randomly adjusted by the ABS.
Gonn Crossing data sources and coverage
“Not mapped” means we hold no source layer for this suburb - never an all-clear.
| Dataset | Coverage | Publisher |
|---|---|---|
| Flood mapping | Mapped | Vicmap Planning and Victorian Government spatial services |
| Bushfire-prone mapping | Mapped | Vicmap Planning and Victorian Government spatial services |
| Zoning | Mapped | Vicmap Planning and Victorian Government spatial services |
| Heritage and environment | Mapped where published | Vicmap Planning and Victorian Government spatial services |
| Aircraft noise contours (ANEF) | Not held | Vicmap Planning and Victorian Government spatial services, Defence |
| Observed flight paths | Not watched | adsb.lol, under the Open Database License |
| Demographics | Available | Australian Bureau of Statistics (2021 Census and SEIFA) |
Profile last materially updated 15 October 2026. See the methodology and full source list. Source data changes over time and critical decisions should be checked with the responsible authority.
Check a specific Gonn Crossing address
See exactly which overlays touch a single property - the interactive map is free. Need it on paper? A full planning PDF is just $9.
See what's in the $9 report →Building or pricing a slab? The $119 geotechnical desktop report covers geology, soils, bores and the indicative soil reactivity range to expect for a Gonn Crossing lot.
Gonn Crossing planning - frequently asked
Is Gonn Crossing flood-prone?
About 100% of Gonn Crossing falls within a mapped flood overlay, against the council-wide suburb average of 52%.
Is Gonn Crossing bushfire-prone?
Around 100% of Gonn Crossing is mapped as bushfire-prone, compared with a Gannawarra average of 99%.
What is the zoning in Gonn Crossing?
The dominant planning zone in Gonn Crossing is Farming Zone (FZ), though the suburb also includes Public Conservation and Resource Zone (PCRZ) and NATURALWATERWAYS.
Does Gonn Crossing have heritage-listed places?
Gonn Crossing has 1 heritage-listed place on record.
What is the typical lot size in Gonn Crossing?
Across 107 surveyed parcels in Gonn Crossing, the median lot size is about 29,200 m². There are also 48 registered easements mapped in the suburb.
What is the population of Gonn Crossing?
At the 2021 Census Gonn Crossing had 50 usual residents, with a median age of 54 and an average household size of 2.1 people. The wider Gannawarra statistical area, which contains Gonn Crossing, went from 7,625 people in 2001 to 6,522 in 2025, down 14%.
Is Gonn Crossing an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Gonn Crossing scores 913 and sits in decile 2 of 10 nationally and decile 1 within Victoria (decile 1 is the most disadvantaged tenth, decile 10 the least).
What is the median household income in Gonn Crossing?
Median household income in Gonn Crossing was $966 a week at the 2021 Census, against $1,125 for the typical suburb in Gannawarra. Median rent was $150 a week and the median mortgage repayment $537 a month.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Murrabit | 3.2 km | 68% | 100% |
| Murrabit West | 4.1 km | 97% | 100% |
| Benjeroop | 8.0 km | 90% | 100% |
| Capels Crossing | 11.6 km | 85% | 100% |
| Myall (Kerang) | 12.9 km | 36% | 100% |
| Lake Charm | 13.4 km | 55% | 92% |
| Westby | 14.8 km | 73% | 100% |
| Winlaton Swan Hill |
16.2 km | 86% | 100% |
| Reedy Lake | 17.8 km | 93% | 81% |
| Mystic Park | 18.8 km | 87% | 94% |