Koorlong flood map & planning overlays
Koorlong's $280 rent ties joint 3rd across Mildura.
Free map preview, then PDF reports from $9 - about the price of an iced latte on a public holiday.
A planning-constraint profile of Koorlong
(Mildura, VIC) - 133.67 km², mapped from live council and
state overlay data. This suburb is highly constrained.
Profile updated 29 September 2026.
Constraint readout
133.67 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Koorlong's boundary, with the flood, bushfire and environmental overlays drawn on top.
Nearby suburbs, nearest first
Aircraft noise and flight paths over Koorlong
The ANEF contour is a published planning forecast; observed aircraft traffic is a separate question - neither describes any individual property.
Inside an aircraft noise contour
<1% of the suburb's land sits inside a published ANEF or airport-environs contour. Contours vary street by street, so whether a particular lot is inside one needs a property-level check.
Contours held
- Victorian Airport Environs Overlay
Koorlong at a glance
How Koorlong is zoned
Selling in Koorlong? The zoning and planning overlays on this page are the controls a Section 32 vendor statement discloses.
Across its 133.67 km², Koorlong is highly constrained by planning overlays. About 6% of the suburb sits within a mapped flood overlay, and 98% is flagged bushfire-prone. The dominant land-use zone is Public Conservation and Resource Zone (PCRZ). The median lot measures about 20,005 m² across 639 parcels.
Who lives in Koorlong
Census 2021 figures published by the ABS for the Koorlong 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 968, and decile 3 within Victoria. The national average is 1000.
Age profile
Share of Koorlong's 397 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Mildura Surrounds, the wider ABS statistical area containing Koorlong. There is no annual population series published at suburb level, so this describes the surrounding area rather than Koorlong itself.
4,564 in 2001 to 3,779 in 2025, down 17%.
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.
Koorlong 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) | Inside a held contour | 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 29 September 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 Koorlong 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 Koorlong lot.
Koorlong planning - frequently asked
Is Koorlong flood-prone?
About 6% of Koorlong falls within a mapped flood overlay, against the council-wide suburb average of 18%.
Is Koorlong bushfire-prone?
Around 98% of Koorlong is mapped as bushfire-prone, compared with a Mildura average of 82%.
Is Koorlong affected by aircraft noise?
About <1% of Koorlong sits inside a published aircraft noise contour. ANEF contours are forecasts published per airport and used to control noise-sensitive development; they are not a measurement at any one house, and a property can sit under a flight path and outside every contour.
What is the zoning in Koorlong?
The dominant planning zone in Koorlong is Public Conservation and Resource Zone (PCRZ), though the suburb also includes Farming Zone (FZ) and Public Use Zone (PUZ1).
Does Koorlong have heritage-listed places?
No heritage-listed places are on record within Koorlong.
What is the typical lot size in Koorlong?
Across 639 surveyed parcels in Koorlong, the median lot size is about 20,005 m². There are also 260 registered easements mapped in the suburb.
What is the population of Koorlong?
At the 2021 Census Koorlong had 397 usual residents, with a median age of 39 and an average household size of 2.9 people. The wider Mildura Surrounds statistical area, which contains Koorlong, went from 4,564 people in 2001 to 3,779 in 2025, down 17%.
Is Koorlong an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Koorlong scores 968 and sits in decile 4 of 10 nationally and decile 3 within Victoria (decile 1 is the most disadvantaged tenth, decile 10 the least).
What is the median household income in Koorlong?
Median household income in Koorlong was $2,094 a week at the 2021 Census, against $1,318 for the typical suburb in Mildura. Median rent was $280 a week and the median mortgage repayment $1,656 a month.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Merbein South | 7.7 km | 10% | 46% |
| Cardross | 7.8 km | 15% | 64% |
| Cabarita | 11.0 km | 8% | 42% |
| Birdwoodton | 11.3 km | 8% | 38% |
| Mildura | 13.0 km | 28% | 11% |
| Irymple | 14.1 km | 16% | 26% |
| Merbein West | 15.0 km | 8% | 70% |
| Merbein | 15.3 km | 34% | 35% |
| Red Cliffs | 16.9 km | 42% | 65% |
| Nichols Point | 18.6 km | 60% | 35% |