Mount Dutton Bay flood map & planning overlays
A planning-constraint profile of Mount Dutton Bay
(Lower Eyre Council, SA) - 7.67 km², mapped from live council and
state overlay data. This suburb is highly constrained.
Profile updated 4 September 2026.
Suburb-wide figures; the free map shows which overlays touch your lot.
Constraint readout
7.67 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Mount Dutton Bay's boundary, with the flood, bushfire and environmental overlays drawn on top.
Nearby suburbs, nearest first
Mount Dutton Bay at a glance
How Mount Dutton Bay is zoned
Selling in Mount Dutton Bay? The zone and overlays on this page are the Planning and Design Code controls a Form 1 vendor's statement has to disclose.
Across its 7.67 km², Mount Dutton Bay is highly constrained by planning overlays. Flood mapping covers the suburb and none of it falls within a mapped flood overlay, and 91% is flagged bushfire-prone. There are 4 heritage-listed sites on record, and the dominant land-use zone is Conservation. The median lot measures about 945 m² across 114 parcels.
Who lives in Mount Dutton Bay
Census 2021 figures published by the ABS for the Mount Dutton Bay 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 943, and decile 3 within South Australia. The national average is 1000.
Age profile
Share of Mount Dutton Bay's 53 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Eyre Peninsula, the wider ABS statistical area containing Mount Dutton Bay. There is no annual population series published at suburb level, so this describes the surrounding area rather than Mount Dutton Bay itself.
6,179 in 2001 to 7,232 in 2025, up 17%.
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.
Mount Dutton Bay 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 | the South Australian Planning and Design Code and Location SA spatial data |
| Bushfire-prone mapping | Mapped | the South Australian Planning and Design Code and Location SA spatial data |
| Zoning | Mapped | the South Australian Planning and Design Code and Location SA spatial data |
| Heritage and environment | Mapped where published | the South Australian Planning and Design Code and Location SA spatial data |
| Aircraft noise contours (ANEF) | Not held | the South Australian Planning and Design Code and Location SA spatial data, 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 4 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 Mount Dutton Bay 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.
Building or pricing a slab? The $119 geotechnical desktop report covers geology, soils, bores and an indicative AS 2870 site class for a Mount Dutton Bay lot.
See what's in the $9 report →Mount Dutton Bay planning - frequently asked
Is Mount Dutton Bay flood-prone?
Flood mapping covers Mount Dutton Bay and none of the suburb falls within a mapped flood overlay.
Is Mount Dutton Bay bushfire-prone?
Around 91% of Mount Dutton Bay is mapped as bushfire-prone, compared with a Lower Eyre Council average of 97%.
What is the zoning in Mount Dutton Bay?
The dominant planning zone in Mount Dutton Bay is Conservation, though the suburb also includes Rural and Coastal Waters and Offshore Islands.
Does Mount Dutton Bay have heritage-listed places?
Mount Dutton Bay has 4 heritage-listed places on record.
What is the typical lot size in Mount Dutton Bay?
Across 114 surveyed parcels in Mount Dutton Bay, the median lot size is about 945 m².
What is the population of Mount Dutton Bay?
At the 2021 Census Mount Dutton Bay had 53 usual residents, with a median age of 57 and an average household size of 1.6 people. The wider Eyre Peninsula statistical area, which contains Mount Dutton Bay, went from 6,179 people in 2001 to 7,232 in 2025, up 17%.
Is Mount Dutton Bay an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Mount Dutton Bay scores 943 and sits in decile 3 of 10 nationally and decile 3 within South Australia (decile 1 is the most disadvantaged tenth, decile 10 the least).
What is the median household income in Mount Dutton Bay?
Median household income in Mount Dutton Bay was $1,174 a week at the 2021 Census, against $1,437 for the typical suburb in Lower Eyre Council. Median rent was $300 a week and the median mortgage repayment $834 a month.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Farm Beach | 3.8 km | 0% | 91% |
| Little Douglas | 4.2 km | 0% | 66% |
| Wangary | 9.5 km | 0% | 100% |
| Kellidie Bay | 10.5 km | 0% | 77% |
| Coffin Bay | 11.6 km | 0% | 96% |
| Coulta | 13.9 km | 0% | 100% |
| Fountain | 20.7 km | 0% | 100% |
| Wanilla | 23.7 km | 0% | 100% |
| Edillilie | 25.3 km | 0% | 100% |
| Pearlah | 26.9 km | 0% | 100% |