Granite Flat flood map & planning overlays
Granite Flat: 94.9% flood mapping, 5th of 82 in Buloke.
Free map preview, then PDF reports from $9 - about the price of an iced latte on a public holiday.
A planning-constraint profile of Granite Flat
(Buloke, VIC) - 25.17 km², mapped from live council and
state overlay data. This suburb is highly constrained.
Profile updated 24 October 2026.
Constraint readout
25.17 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Granite Flat's boundary, with the flood, bushfire and environmental overlays drawn on top.
Nearby suburbs, nearest first
Granite Flat at a glance
How Granite Flat is zoned
Selling in Granite Flat? The zoning and planning overlays on this page are the controls a Section 32 vendor statement discloses.
Across its 25.17 km², Granite Flat is highly constrained by planning overlays. About 95% 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 485,737 m² across 41 parcels.
Who lives in Granite Flat
Census 2021 figures published by the ABS for the Granite Flat 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 1027, and decile 7 within Victoria. The national average is 1000.
Population trend, 2001 to 2025
Estimated resident population of Buloke, the wider ABS statistical area containing Granite Flat. There is no annual population series published at suburb level, so this describes the surrounding area rather than Granite Flat itself.
7,223 in 2001 to 5,891 in 2025, down 18%.
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.
Granite Flat 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 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 Granite Flat 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 Granite Flat lot.
Granite Flat planning - frequently asked
Is Granite Flat flood-prone?
About 95% of Granite Flat falls within a mapped flood overlay, against the council-wide suburb average of 34%.
Is Granite Flat bushfire-prone?
Around 100% of Granite Flat is mapped as bushfire-prone, compared with a Buloke average of 99%.
What is the zoning in Granite Flat?
The dominant planning zone in Granite Flat is Farming Zone (FZ).
Does Granite Flat have heritage-listed places?
No heritage-listed places are on record within Granite Flat.
What is the typical lot size in Granite Flat?
Across 41 surveyed parcels in Granite Flat, the median lot size is about 485,737 m². There are also 7 registered easements mapped in the suburb.
Is Granite Flat an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Granite Flat scores 1027 and sits in decile 8 of 10 nationally and decile 7 within Victoria (decile 1 is the most disadvantaged tenth, decile 10 the least).
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Chirrip | 5.4 km | 99% | 100% |
| Teddywaddy West | 7.6 km | 100% | 100% |
| Jeffcott North | 8.5 km | 25% | 100% |
| Wycheproof South | 8.9 km | 99% | 100% |
| Wooroonook | 9.8 km | 64% | 100% |
| Corack East | 10.2 km | 14% | 100% |
| Corack | 10.4 km | 43% | 100% |
| Thalia | 12.0 km | 78% | 100% |
| Jeffcott | 12.1 km | 27% | 100% |
| Gil Gil | 15.7 km | 10% | 100% |