Colac Colac flood map & planning overlays
Colac Colac holds 8 ha farms, flood mapping at 25.8%, median 50.
Free map preview, then PDF reports from $9 - about the price of an iced latte on a public holiday.
A planning-constraint profile of Colac Colac
(Towong, VIC) - 31.3 km², mapped from live council and
state overlay data. This suburb is highly constrained.
Profile updated 29 September 2026.
Constraint readout
31.3 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Colac Colac's boundary, with the flood, bushfire and environmental overlays drawn on top.
Nearby suburbs, nearest first
Colac Colac at a glance
How Colac Colac is zoned
Selling in Colac Colac? The zoning and planning overlays on this page are the controls a Section 32 vendor statement discloses.
Across its 31.3 km², Colac Colac is highly constrained by planning overlays. About 26% 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 82,732 m² across 121 parcels.
Who lives in Colac Colac
Census 2021 figures published by the ABS for the Colac Colac 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 991, and decile 5 within Victoria. The national average is 1000.
Population trend, 2001 to 2025
Estimated resident population of Towong, the wider ABS statistical area containing Colac Colac. There is no annual population series published at suburb level, so this describes the surrounding area rather than Colac Colac itself.
6,204 in 2001 to 6,155 in 2025, down 1%.
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.
Colac Colac 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 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 Colac Colac 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 Colac Colac lot.
Colac Colac planning - frequently asked
Is Colac Colac flood-prone?
About 26% of Colac Colac falls within a mapped flood overlay, against the council-wide suburb average of 14%.
Is Colac Colac bushfire-prone?
Around 100% of Colac Colac is mapped as bushfire-prone, compared with a Towong average of 97%.
What is the zoning in Colac Colac?
The dominant planning zone in Colac Colac is Farming Zone (FZ), though the suburb also includes Rural Activity Zone (RAZ) and Transport Zone (TRZ2).
Does Colac Colac have heritage-listed places?
No heritage-listed places are on record within Colac Colac.
What is the typical lot size in Colac Colac?
Across 121 surveyed parcels in Colac Colac, the median lot size is about 82,732 m². There are also 2 registered easements mapped in the suburb.
What is the population of Colac Colac?
At the 2021 Census Colac Colac had 61 usual residents, with a median age of 50 and an average household size of 2.5 people. The wider Towong statistical area, which contains Colac Colac, went from 6,204 people in 2001 to 6,155 in 2025, down 1%.
Is Colac Colac an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Colac Colac scores 991 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 Colac Colac?
Median household income in Colac Colac was $1,375 a week at the 2021 Census, against $1,375 for the typical suburb in Towong. Median rent was $200 a week and the median mortgage repayment $1,474 a month.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Corryong | 5.4 km | 30% | 98% |
| Thowgla Valley | 8.3 km | 6% | 100% |
| Cudgewa | 8.5 km | 6% | 100% |
| Towong Upper | 13.9 km | 14% | 100% |
| Towong | 14.5 km | 37% | 100% |
| Berringama | 18.5 km | Not mapped | 100% |
| Biggara | 19.3 km | 3% | 100% |
| Tintaldra | 19.5 km | 26% | 100% |
| Guys Forest | 22.4 km | Not mapped | 100% |
| Pine Mountain | 23.4 km | 10% | 100% |