Areas / Swan Hill / Pental Island

Pental Island flood map & planning overlays

Pental Island tops Swan Hill for rent, $340, and is 89.7% flood-mapped.

A planning-constraint profile of Pental Island (Swan Hill, VIC) - 79.05 km², mapped from live council and state overlay data. This suburb is highly constrained.
Profile updated 15 October 2026.

Elevation hillshade with street names, clipped to Pental Island's boundary, with the flood, bushfire and environmental overlays drawn on top.

Nearby suburbs, nearest first

Pental Island at a glance

Parcels 137 Median lot 394,615 m² Mapped easements 143

How Pental Island is zoned

Farming Zone (FZ) 76%
Public Conservation and Resource Zone (PCRZ) 22%
NATURALWATERWAYS 1%
Public Park and Recreation Zone (PPRZ) 0%

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

Across its 79.05 km², Pental Island is highly constrained by planning overlays. About 90% of the suburb sits 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 394,615 m² across 137 parcels.

Who lives in Pental Island

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

Population
159
usual residents, 2021
Median age
42
years
Median household income
$2,055
per week, Swan Hill suburb typical $1,390
Median rent
$340
per week, Swan Hill suburb typical $200
Median mortgage
$1,279
per month
Household size
2.8
people, average

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 6
most disadvantagedleast disadvantaged

Score 998, and decile 5 within Victoria. The national average is 1000.

Relative disadvantage (IRSD) Decile 8
most disadvantagedleast disadvantaged

Age profile

Share of Pental Island's 159 residents in each ABS age band.

0-4 4.6%
5-14 13.8%
15-19 6.6%
20-24 3.9%
25-34 3.9%
35-44 15.8%
45-54 12.5%
55-64 15.1%
65-74 14.5%
75-84 7.2%
85+ 2.0%

Population trend, 2001 to 2025

Estimated resident population of Swan Hill Surrounds, the wider ABS statistical area containing Pental Island. There is no annual population series published at suburb level, so this describes the surrounding area rather than Pental Island 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.

Pental Island data sources and coverage

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

DatasetCoveragePublisher
Flood mappingMappedVicmap 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 pathsNot watchedadsb.lol, under the Open Database License
DemographicsAvailableAustralian Bureau of Statistics (2021 Census and SEIFA)

Profile last materially updated 15 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 Pental Island 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 Pental Island lot.

Pental Island planning - frequently asked

Is Pental Island flood-prone?

About 90% of Pental Island falls within a mapped flood overlay, against the council-wide suburb average of 39%.

Is Pental Island bushfire-prone?

Around 100% of Pental Island is mapped as bushfire-prone, compared with a Swan Hill average of 87%.

What is the zoning in Pental Island?

The dominant planning zone in Pental Island is Farming Zone (FZ), though the suburb also includes Public Conservation and Resource Zone (PCRZ) and NATURALWATERWAYS.

Does Pental Island have heritage-listed places?

Pental Island has 2 heritage-listed places on record.

What is the typical lot size in Pental Island?

Across 137 surveyed parcels in Pental Island, the median lot size is about 394,615 m². There are also 143 registered easements mapped in the suburb.

What is the population of Pental Island?

At the 2021 Census Pental Island had 159 usual residents, with a median age of 42 and an average household size of 2.8 people. The wider Swan Hill Surrounds statistical area, which contains Pental Island, went from 7,254 people in 2001 to 6,467 in 2025, down 11%.

Is Pental Island an advantaged suburb?

On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Pental Island scores 998 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 Pental Island?

Median household income in Pental Island was $2,055 a week at the 2021 Census, against $1,390 for the typical suburb in Swan Hill. Median rent was $340 a week and the median mortgage repayment $1,279 a month.

Compare nearby suburbs

Nearby suburbDistanceFlood mappedBushfire-prone
Fish Point 5.8 km 92% 100%
Lake Boga 7.0 km 62% 75%
Castle Donnington 10.6 km 29% 100%
Winlaton 10.7 km 86% 100%
Tresco 10.9 km 52% 72%
Tresco West 12.5 km 11% 76%
Swan Hill 16.3 km 11% 86%
Murraydale 17.2 km 100% 100%
Benjeroop
Gannawarra
17.2 km 90% 100%
Kunat 18.4 km Not mapped 100%

See all Swan Hill suburb profiles →