Cullen flood map & planning overlays
Cullen tops Gannawarra for environmental significance overlay, 97.5%.
Free map preview, then PDF reports from $9 - about the price of an iced latte on a public holiday.
A planning-constraint profile of Cullen
(Gannawarra, VIC) - 27.78 km², mapped from live council and
state overlay data. This suburb is highly constrained.
Profile updated 15 October 2026.
Constraint readout
27.78 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Cullen's boundary, with the flood, bushfire and environmental overlays drawn on top.
Nearby suburbs, nearest first
Cullen at a glance
How Cullen is zoned
Selling in Cullen? The zoning and planning overlays on this page are the controls a Section 32 vendor statement discloses.
Across its 27.78 km², Cullen is highly constrained by planning overlays. About 3% of the suburb sits within a mapped flood overlay, and 100% is flagged bushfire-prone. The dominant land-use zone is Farming Zone (FZ). The median lot measures about 142,900 m² across 72 parcels.
Who lives in Cullen
Census 2021 figures published by the ABS for the Cullen 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 982, and decile 4 within Victoria. The national average is 1000.
Population trend, 2001 to 2025
Estimated resident population of Gannawarra, the wider ABS statistical area containing Cullen. There is no annual population series published at suburb level, so this describes the surrounding area rather than Cullen 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.
Cullen 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 | Watched, not yet sampled here | 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 Cullen 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 Cullen lot.
Cullen planning - frequently asked
Is Cullen flood-prone?
About 3% of Cullen falls within a mapped flood overlay, against the council-wide suburb average of 52%.
Is Cullen bushfire-prone?
Around 100% of Cullen is mapped as bushfire-prone, compared with a Gannawarra average of 99%.
What is the zoning in Cullen?
The dominant planning zone in Cullen is Farming Zone (FZ), though the suburb also includes Public Conservation and Resource Zone (PCRZ) and Transport Zone (TRZ2).
Does Cullen have heritage-listed places?
No heritage-listed places are on record within Cullen.
What is the typical lot size in Cullen?
Across 72 surveyed parcels in Cullen, the median lot size is about 142,900 m². There are also 63 registered easements mapped in the suburb.
Is Cullen an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Cullen scores 982 and sits in decile 5 of 10 nationally and decile 4 within Victoria (decile 1 is the most disadvantaged tenth, decile 10 the least).
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Mead | 3.5 km | 22% | 100% |
| Milnes Bridge | 6.1 km | 93% | 100% |
| Mcmillans | 7.1 km | 9% | 100% |
| Gannawarra | 7.5 km | 10% | 100% |
| Koroop | 9.1 km | 64% | 100% |
| Cohuna | 9.9 km | 67% | 98% |
| Macorna North | 10.0 km | 42% | 100% |
| Keely | 11.4 km | Not mapped | 100% |
| Daltons Bridge | 12.7 km | 76% | 100% |
| Kerang East | 12.9 km | 65% | 100% |