Koroop flood map & planning overlays
Koroop's 41 ha farms are 63.5% flood-mapped, home to a median of 49.
Free map preview, then PDF reports from $9 - about the price of an iced latte on a public holiday.
A planning-constraint profile of Koroop
(Gannawarra, VIC) - 50.1 km², mapped from live council and
state overlay data. This suburb is highly constrained.
Profile updated 15 October 2026.
Constraint readout
50.1 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Koroop's boundary, with the flood, bushfire and environmental overlays drawn on top.
Nearby suburbs, nearest first
Koroop at a glance
How Koroop is zoned
Selling in Koroop? The zoning and planning overlays on this page are the controls a Section 32 vendor statement discloses.
Across its 50.1 km², Koroop is highly constrained by planning overlays. About 64% 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 411,118 m² across 103 parcels.
Who lives in Koroop
Census 2021 figures published by the ABS for the Koroop 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 993, and decile 5 within Victoria. The national average is 1000.
Age profile
Share of Koroop's 63 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Gannawarra, the wider ABS statistical area containing Koroop. There is no annual population series published at suburb level, so this describes the surrounding area rather than Koroop 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.
Koroop 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 Koroop 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 Koroop lot.
Koroop planning - frequently asked
Is Koroop flood-prone?
About 64% of Koroop falls within a mapped flood overlay, against the council-wide suburb average of 52%.
Is Koroop bushfire-prone?
Around 100% of Koroop is mapped as bushfire-prone, compared with a Gannawarra average of 99%.
What is the zoning in Koroop?
The dominant planning zone in Koroop is Farming Zone (FZ), though the suburb also includes Public Conservation and Resource Zone (PCRZ) and Transport Zone (TRZ2).
Does Koroop have heritage-listed places?
No heritage-listed places are on record within Koroop.
What is the typical lot size in Koroop?
Across 103 surveyed parcels in Koroop, the median lot size is about 411,118 m². There are also 106 registered easements mapped in the suburb.
What is the population of Koroop?
At the 2021 Census Koroop had 63 usual residents, with a median age of 49 and an average household size of 2.5 people. The wider Gannawarra statistical area, which contains Koroop, went from 7,625 people in 2001 to 6,522 in 2025, down 14%.
Is Koroop an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Koroop scores 993 and sits in decile 6 of 10 nationally and decile 5 within Victoria (decile 1 is the most disadvantaged tenth, decile 10 the least).
What is the median household income in Koroop?
Median household income in Koroop was $1,093 a week at the 2021 Census, against $1,125 for the typical suburb in Gannawarra. Median rent was $160 a week and the median mortgage repayment $28 a month.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Milnes Bridge | 5.6 km | 93% | 100% |
| Kerang East | 6.4 km | 65% | 100% |
| Teal Point | 6.6 km | 24% | 100% |
| Gannawarra | 7.2 km | 10% | 100% |
| Mead | 8.5 km | 22% | 100% |
| Cullen | 9.1 km | 3% | 100% |
| Koondrook | 10.8 km | 44% | 99% |
| Macorna North | 11.5 km | 42% | 100% |
| Kerang | 12.2 km | 89% | 94% |
| Westby | 14.4 km | 73% | 100% |