Gerahmin flood map & planning overlays
Gerahmin works 137 ha holdings, the whole suburb bushfire-mapped.
Free map preview, then PDF reports from $9 - about the price of an iced latte on a public holiday.
A planning-constraint profile of Gerahmin
(Swan Hill, VIC) - 136.59 km², mapped from live council and
state overlay data. This suburb is highly constrained.
Profile updated 29 September 2026.
Constraint readout
136.59 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Gerahmin's boundary, with the flood, bushfire and environmental overlays drawn on top.
Nearby suburbs, nearest first
Gerahmin at a glance
How Gerahmin is zoned
Selling in Gerahmin? The zoning and planning overlays on this page are the controls a Section 32 vendor statement discloses.
Across its 136.59 km², Gerahmin is highly constrained by planning overlays. Flood mapping covers the suburb and none of it falls within a mapped flood overlay, and 100% is flagged bushfire-prone. There are 2 heritage-listed sites on record, and the dominant land-use zone is Farming Zone (FZ). The median lot measures about 1,373,788 m² across 93 parcels.
Who lives in Gerahmin
Census 2021 figures published by the ABS for the Gerahmin 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 1050, and decile 9 within Victoria. The national average is 1000.
Population trend, 2001 to 2025
Estimated resident population of Swan Hill Surrounds, the wider ABS statistical area containing Gerahmin. There is no annual population series published at suburb level, so this describes the surrounding area rather than Gerahmin itself.
7,254 in 2001 to 6,467 in 2025, down 11%.
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.
Gerahmin 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 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 Gerahmin 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 Gerahmin lot.
Gerahmin planning - frequently asked
Is Gerahmin flood-prone?
Flood mapping covers Gerahmin and none of the suburb falls within a mapped flood overlay (the council-wide suburb average is 39%).
Is Gerahmin bushfire-prone?
Around 100% of Gerahmin is mapped as bushfire-prone, compared with a Swan Hill average of 87%.
What is the zoning in Gerahmin?
The dominant planning zone in Gerahmin is Farming Zone (FZ), though the suburb also includes Public Conservation and Resource Zone (PCRZ) and Public Use Zone (PUZ1).
Does Gerahmin have heritage-listed places?
Gerahmin has 2 heritage-listed places on record.
What is the typical lot size in Gerahmin?
Across 93 surveyed parcels in Gerahmin, the median lot size is about 1,373,788 m². There are also 14 registered easements mapped in the suburb.
Is Gerahmin an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Gerahmin scores 1050 and sits in decile 9 of 10 nationally and decile 9 within Victoria (decile 1 is the most disadvantaged tenth, decile 10 the least).
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Pier Milan Buloke |
10.8 km | 0% | 100% |
| Cocamba | 12.6 km | Not mapped | 100% |
| Chinkapook | 13.5 km | 0% | 100% |
| Mittyack Mildura |
16.2 km | Not mapped | 100% |
| Bimbourie Buloke |
17.5 km | 0% | 100% |
| Manangatang | 17.9 km | Not mapped | 100% |
| Lake Tyrrell Buloke |
18.0 km | 89% | 4% |
| Nandaly Buloke |
18.2 km | Not mapped | 100% |
| Tyrrell Downs Buloke |
20.4 km | 11% | 100% |
| Winnambool | 25.0 km | Not mapped | 100% |