Wilmington flood map & planning overlays
A planning-constraint profile of Wilmington
(The District Council of Mount Remarkable, SA) - 605.1 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
605.1 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Wilmington's boundary, with the flood, bushfire and environmental overlays drawn on top.
Nearby suburbs, nearest first
Wilmington at a glance
How Wilmington is zoned
Selling in Wilmington? 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 605.1 km², Wilmington 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 is 1 heritage-listed site on record, and the dominant land-use zone is Rural. The median lot measures about 24,364 m² across 1,300 parcels.
Who lives in Wilmington
Census 2021 figures published by the ABS for the Wilmington 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 Wilmington's 667 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Peterborough - Mount Remarkable, the wider ABS statistical area containing Wilmington. There is no annual population series published at suburb level, so this describes the surrounding area rather than Wilmington itself.
5,996 in 2001 to 5,410 in 2025, down 10%.
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.
Wilmington 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 Wilmington 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 Wilmington lot.
See what's in the $9 report →Wilmington planning - frequently asked
Is Wilmington flood-prone?
Flood mapping covers Wilmington and none of the suburb falls within a mapped flood overlay.
Is Wilmington bushfire-prone?
Around 100% of Wilmington is mapped as bushfire-prone, compared with a The District Council of Mount Remarkable average of 94%.
What is the zoning in Wilmington?
The dominant planning zone in Wilmington is Rural, though the suburb also includes Conservation and Rural Living.
Does Wilmington have heritage-listed places?
Wilmington has 1 heritage-listed place on record.
What is the typical lot size in Wilmington?
Across 1,300 surveyed parcels in Wilmington, the median lot size is about 24,364 m².
Does Wilmington have a train station?
There is no train station inside Wilmington itself. The suburb is served by 1 bus stop.
What is the population of Wilmington?
At the 2021 Census Wilmington had 667 usual residents, with a median age of 51 and an average household size of 2.4 people. The wider Peterborough - Mount Remarkable statistical area, which contains Wilmington, went from 5,996 people in 2001 to 5,410 in 2025, down 10%.
Is Wilmington an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Wilmington 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 Wilmington?
Median household income in Wilmington was $1,260 a week at the 2021 Census, against $1,250 for the typical suburb in The District Council of Mount Remarkable. Median rent was $200 a week and the median mortgage repayment $1,083 a month.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Nectar Brook | 17.6 km | 0% | 100% |
| Melrose | 17.8 km | 0% | 100% |
| Amyton | 18.6 km | 0% | 100% |
| Willowie | 18.6 km | 0% | 100% |
| Bruce | 19.6 km | 0% | 100% |
| Woolundunga | 20.0 km | 0% | 100% |
| Mambray Creek | 23.4 km | 0% | 89% |
| Miranda Port Augusta City Council |
24.3 km | 0% | 55% |
| Hammond | 25.2 km | 0% | 100% |
| Winninowie Port Augusta City Council |
25.4 km | 0% | 78% |
See all The District Council of Mount Remarkable suburb profiles →