Colignan flood map & planning overlays
Colignan's median local is 37, Mildura's youngest.
Free map preview, then PDF reports from $9 - about the price of an iced latte on a public holiday.
A planning-constraint profile of Colignan
(Mildura, VIC) - 89.08 km², mapped from live council and
state overlay data. This suburb is highly constrained.
Profile updated 6 October 2026.
Constraint readout
89.08 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Colignan's boundary, with the flood, bushfire and environmental overlays drawn on top.
Nearby suburbs, nearest first
Colignan at a glance
How Colignan is zoned
Selling in Colignan? The zoning and planning overlays on this page are the controls a Section 32 vendor statement discloses.
Across its 89.08 km², Colignan is highly constrained by planning overlays. About 20% of the suburb sits within a mapped flood overlay, and 63% is flagged bushfire-prone. The dominant land-use zone is Farming Zone (FZ). The median lot measures about 70,252 m² across 231 parcels.
Who lives in Colignan
Census 2021 figures published by the ABS for the Colignan 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 922, and decile 1 within Victoria. The national average is 1000.
Age profile
Share of Colignan's 305 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Mildura Surrounds, the wider ABS statistical area containing Colignan. There is no annual population series published at suburb level, so this describes the surrounding area rather than Colignan 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.
Colignan 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 6 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 Colignan 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 Colignan lot.
Colignan planning - frequently asked
Is Colignan flood-prone?
About 20% of Colignan falls within a mapped flood overlay, against the council-wide suburb average of 18%.
Is Colignan bushfire-prone?
Around 63% of Colignan is mapped as bushfire-prone, compared with a Mildura average of 82%.
What is the zoning in Colignan?
The dominant planning zone in Colignan is Farming Zone (FZ), though the suburb also includes Public Conservation and Resource Zone (PCRZ) and Township Zone (TZ1).
Does Colignan have heritage-listed places?
No heritage-listed places are on record within Colignan.
What is the typical lot size in Colignan?
Across 231 surveyed parcels in Colignan, the median lot size is about 70,252 m². There are also 226 registered easements mapped in the suburb.
What is the population of Colignan?
At the 2021 Census Colignan had 305 usual residents, with a median age of 37 and an average household size of 2.4 people. The wider Mildura Surrounds statistical area, which contains Colignan, went from 4,564 people in 2001 to 3,779 in 2025, down 17%.
Is Colignan an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Colignan scores 922 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 Colignan?
Median household income in Colignan was $1,325 a week at the 2021 Census, against $1,318 for the typical suburb in Mildura. Median rent was $120 a week and the median mortgage repayment $867 a month.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Nangiloc | 6.8 km | 10% | 74% |
| Iraak | 13.4 km | 35% | 70% |
| Carwarp | 13.4 km | 2% | 100% |
| Hattah | 19.3 km | 25% | 100% |
| Red Cliffs | 24.3 km | 42% | 65% |
| Cardross | 31.7 km | 15% | 64% |
| Irymple | 35.2 km | 16% | 26% |
| Koorlong | 37.2 km | 6% | 98% |
| Liparoo Swan Hill |
37.9 km | 18% | 75% |
| Nichols Point | 38.0 km | 60% | 35% |