Iwantja flood map & planning overlays
A planning-constraint profile of Iwantja
(Anangu Pitjantjatjara Yankunytjatjara, SA) - 12.58 km², mapped from live council and
state overlay data. This suburb is highly constrained.
Profile updated 23 August 2026.
Suburb-wide figures; the free map shows which overlays touch your lot.
Constraint readout
12.58 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Iwantja's boundary, with the flood, bushfire and environmental overlays drawn on top.
Nearby suburbs, nearest first
How Iwantja is zoned
Selling in Iwantja? 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 12.58 km², Iwantja 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. The dominant land-use zone is Remote Areas.
Who lives in Iwantja
Census 2021 figures published by the ABS for the Iwantja 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 669, and decile 1 within South Australia. The national average is 1000.
Age profile
Share of Iwantja's 338 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of APY Lands, the wider ABS statistical area containing Iwantja. There is no annual population series published at suburb level, so this describes the surrounding area rather than Iwantja itself.
2,661 in 2001 to 2,668 in 2025, up 0%.
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.
Iwantja 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 | Not watched | adsb.lol, under the Open Database License |
| Demographics | Available | Australian Bureau of Statistics (2021 Census and SEIFA) |
Profile last materially updated 23 August 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 Iwantja 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 Iwantja lot.
See what's in the $9 report →Iwantja planning - frequently asked
Is Iwantja flood-prone?
Flood mapping covers Iwantja and none of the suburb falls within a mapped flood overlay.
Is Iwantja bushfire-prone?
Around 100% of Iwantja is mapped as bushfire-prone, compared with a Anangu Pitjantjatjara Yankunytjatjara average of 100%.
What is the zoning in Iwantja?
The dominant planning zone in Iwantja is Remote Areas.
Does Iwantja have heritage-listed places?
No heritage-listed places are on record within Iwantja.
What is the population of Iwantja?
At the 2021 Census Iwantja had 338 usual residents, with a median age of 26 and an average household size of 4.6 people. The wider APY Lands statistical area, which contains Iwantja, went from 2,661 people in 2001 to 2,668 in 2025, up 0%.
Is Iwantja an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Iwantja scores 669 and sits in decile 1 of 10 nationally and decile 1 within South Australia (decile 1 is the most disadvantaged tenth, decile 10 the least).
What is the median household income in Iwantja?
Median household income in Iwantja was $1,287 a week at the 2021 Census, against $1,291 for the typical suburb in Anangu Pitjantjatjara Yankunytjatjara. Median rent was $77 a week.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Mimili | 61.1 km | 0% | 100% |
| Yunyarinyi | 112.9 km | 0% | 100% |
| Kaltjiti | 129.6 km | 0% | 100% |
| Pukatja | 139.1 km | 0% | 100% |
| Umuwa | 139.1 km | 0% | 100% |
| Watinuma | 150.7 km | 0% | 100% |
| Anangu Pitjantjatjara Yankunytjatjara | 197.8 km | 0% | 100% |
| Amata | 232.8 km | 0% | 100% |
| Nyapari | 321.2 km | 0% | 100% |
| Murputja | 323.9 km | 0% | 100% |
See all Anangu Pitjantjatjara Yankunytjatjara suburb profiles →