Areas / Southern Grampians / Mirranatwa

Mirranatwa zoning & planning overlays

Mirranatwa keeps 4,050 m² lots, compact by Southern Grampians standards.

A planning-constraint profile of Mirranatwa (Southern Grampians, VIC) - 119.02 km², mapped from live council and state overlay data. This suburb is highly constrained on the overlays we could measure - no flood mapping covers this suburb, so this is not a suburb-wide verdict.
Profile updated 24 October 2026.

Elevation hillshade with street names, clipped to Mirranatwa's boundary, with the bushfire and environmental overlays drawn on top. Magenta is where aircraft were observed in the sampled period, brightest below 3,000 ft. No flood layer is drawn because we hold no flood mapping for this area.

Nearby suburbs, nearest first

Aircraft noise and flight paths over Mirranatwa

The ANEF contour is a published planning forecast and observed overflight is what a sampled tracking feed recorded - neither describes any individual property.

Observed overflight - sampled 4 Sep to 24 Oct 2026

Under observed aircraft
4%
of the suburb, at or below 10,000 ft
Below 3,000 ft
0%
of the suburb's area
Lowest measured
3,500 ft
averaging 6,000 ft
How often
not established
aircraft were seen, but not often enough to put a rate on

Night movements: not established - night is sampled as often as day, but too few night flights have been seen here to conclude either way.

How this is measured

Traffic is sampled rather than watched continuously, so every figure is a floor: aircraft not captured between samples are not represented. Rates are per 500 m square - the busiest square in the suburb, not a count of flights over the suburb - and a square is only rated where enough traffic was seen to measure it. Altitudes are above mean sea level. Flight paths change with runway use, weather, season and airspace design. This is a record of observed traffic; it is not a noise contour and not a planning control.

Mirranatwa at a glance

Parcels 335 Median lot 4,050 m² Mapped easements 25

How Mirranatwa is zoned

Farming Zone (FZ) 83%
Public Conservation and Resource Zone (PCRZ) 17%
Transport Zone (TRZ2) 0%

Selling in Mirranatwa? The zoning and planning overlays on this page are the controls a Section 32 vendor statement discloses.

Across its 119.02 km², Mirranatwa is highly constrained by the planning overlays we hold. We hold no flood mapping covering this suburb, so no flood figure is shown - that is a gap in our data, not an all-clear. Of what is mapped, 100% is flagged bushfire-prone. There are 3 heritage-listed sites on record, and the dominant land-use zone is Farming Zone (FZ). The median lot measures about 4,050 m² across 335 parcels.

Who lives in Mirranatwa

Census 2021 figures published by the ABS for the Mirranatwa suburb boundary itself, not a wider region.

Population
31
usual residents, 2021

Socio-economic standing

ABS SEIFA 2021 ranks every Australian suburb. Decile 1 is the most disadvantaged tenth of the country, decile 10 the least.

Advantage and disadvantage (IRSAD) Decile 8
most disadvantagedleast disadvantaged

Score 1028, and decile 8 within Victoria. The national average is 1000.

Relative disadvantage (IRSD) Decile 7
most disadvantagedleast disadvantaged

Population trend, 2001 to 2025

Estimated resident population of Southern Grampians, the wider ABS statistical area containing Mirranatwa. There is no annual population series published at suburb level, so this describes the surrounding area rather than Mirranatwa itself.

6,728 in 2001 to 6,205 in 2025, down 8%.

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.

Mirranatwa data sources and coverage

“Not mapped” means we hold no source layer for this suburb - never an all-clear.

DatasetCoveragePublisher
Flood mappingNot mappedVicmap Planning and Victorian Government spatial services
Bushfire-prone mappingMappedVicmap Planning and Victorian Government spatial services
ZoningMappedVicmap Planning and Victorian Government spatial services
Heritage and environmentMapped where publishedVicmap Planning and Victorian Government spatial services
Aircraft noise contours (ANEF)Not heldVicmap Planning and Victorian Government spatial services, Defence
Observed flight pathsObservedadsb.lol, under the Open Database License
DemographicsAvailableAustralian Bureau of Statistics (2021 Census and SEIFA)

Profile last materially updated 24 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 Mirranatwa 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 →

The report's Aircraft Overflight page narrows that to the address itself: how many aircraft a day, how low, and at what heights.

Building or pricing a slab? The $119 geotechnical desktop report covers geology, soils, bores and the indicative soil reactivity range to expect for a Mirranatwa lot.

Mirranatwa planning - frequently asked

Is Mirranatwa flood-prone?

We don't yet hold flood mapping covering Mirranatwa, so this page can't say how much of the suburb is flood-affected - that is a gap in our data, not an indication that the suburb is free of flood risk. Southern Grampians is the authority to check for flood mapping in this area.

Is Mirranatwa bushfire-prone?

Around 100% of Mirranatwa is mapped as bushfire-prone, compared with a Southern Grampians average of 100%.

Is Mirranatwa under a flight path?

Aircraft were observed over about 4% of Mirranatwa in the period sampled, but only above 3,000 ft - the lowest measured was 3,500 ft. Traffic is sampled rather than watched continuously and flight paths change with runway use, weather and season; the ANEF contour is the planning instrument.

What is the zoning in Mirranatwa?

The dominant planning zone in Mirranatwa is Farming Zone (FZ), though the suburb also includes Public Conservation and Resource Zone (PCRZ) and Transport Zone (TRZ2).

Does Mirranatwa have heritage-listed places?

Mirranatwa has 3 heritage-listed places on record.

What is the typical lot size in Mirranatwa?

Across 335 surveyed parcels in Mirranatwa, the median lot size is about 4,050 m². There are also 25 registered easements mapped in the suburb.

Is Mirranatwa an advantaged suburb?

On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Mirranatwa scores 1028 and sits in decile 8 of 10 nationally and decile 8 within Victoria (decile 1 is the most disadvantaged tenth, decile 10 the least).

Compare nearby suburbs

Nearby suburbDistanceFlood mappedBushfire-prone
Grampians 11.2 km Not mapped 100%
Victoria Valley 15.3 km 0% 100%
Mafeking
Ararat
15.5 km Not mapped 100%
Bornes Hill
Ararat
16.4 km 0% 100%
Victoria Point 19.7 km 0% 100%
Bellfield (Grampians)
Northern Grampians
20.5 km 4% 100%
Glenisla 23.8 km <1% 100%
Pomonal
Northern Grampians
23.8 km <1% 100%
Mooralla 25.9 km Not mapped 100%
Karabeal 28.9 km 0% 100%

See all Southern Grampians suburb profiles →