Oak Valley flood map & planning overlays

A planning-constraint profile of Oak Valley (Maralinga Tjarutja, SA) - 82.51 km², mapped from live council and state overlay data. This suburb is highly constrained.
Profile updated 23 August 2026.

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

Nearby suburbs, nearest first

How Oak Valley is zoned

Remote Areas 100%

Selling in Oak Valley? 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 82.51 km², Oak Valley 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 Oak Valley

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

Population
96
usual residents, 2021
Median age
44
years
Median household income
$1,312
per week, Maralinga Tjarutja suburb typical $1,312
Median rent
$50
per week, Maralinga Tjarutja suburb typical $50
Household size
2.3
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 1
most disadvantagedleast disadvantaged

Score 823, and decile 1 within South Australia. The national average is 1000.

Relative disadvantage (IRSD) Decile 1
most disadvantagedleast disadvantaged

Age profile

Share of Oak Valley's 96 residents in each ABS age band.

0-4 3.0%
5-14 15.8%
15-19 8.9%
20-24 5.0%
25-34 11.9%
35-44 13.9%
45-54 19.8%
55-64 10.9%
65-74 6.9%
75-84 4.0%
85+ 0.0%

Population trend, 2001 to 2025

Estimated resident population of Western, the wider ABS statistical area containing Oak Valley. There is no annual population series published at suburb level, so this describes the surrounding area rather than Oak Valley itself.

141 in 2001 to 144 in 2025, up 2%.

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.

Oak Valley data sources and coverage

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

DatasetCoveragePublisher
Flood mappingMappedthe South Australian Planning and Design Code and Location SA spatial data
Bushfire-prone mappingMappedthe South Australian Planning and Design Code and Location SA spatial data
ZoningMappedthe South Australian Planning and Design Code and Location SA spatial data
Heritage and environmentMapped where publishedthe South Australian Planning and Design Code and Location SA spatial data
Aircraft noise contours (ANEF)Not heldthe South Australian Planning and Design Code and Location SA spatial data, Defence
Observed flight pathsNot watchedadsb.lol, under the Open Database License
DemographicsAvailableAustralian 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 Oak Valley 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 Oak Valley lot.

See what's in the $9 report →

Oak Valley planning - frequently asked

Is Oak Valley flood-prone?

Flood mapping covers Oak Valley and none of the suburb falls within a mapped flood overlay.

Is Oak Valley bushfire-prone?

Around 100% of Oak Valley is mapped as bushfire-prone, compared with a Maralinga Tjarutja average of 100%.

What is the zoning in Oak Valley?

The dominant planning zone in Oak Valley is Remote Areas.

Does Oak Valley have heritage-listed places?

No heritage-listed places are on record within Oak Valley.

What is the population of Oak Valley?

At the 2021 Census Oak Valley had 96 usual residents, with a median age of 44 and an average household size of 2.3 people. The wider Western statistical area, which contains Oak Valley, went from 141 people in 2001 to 144 in 2025, up 2%.

Is Oak Valley an advantaged suburb?

On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Oak Valley scores 823 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 Oak Valley?

Median household income in Oak Valley was $1,312 a week at the 2021 Census, against $1,312 for the typical suburb in Maralinga Tjarutja. Median rent was $50 a week.

Compare nearby suburbs

Nearby suburbDistanceFlood mappedBushfire-prone
Anangu Pitjantjatjara Yankunytjatjara
Anangu Pitjantjatjara Yankunytjatjara
270.4 km 0% 100%
Watarru
Anangu Pitjantjatjara Yankunytjatjara
283.8 km 0% 100%
Kaltjiti
Anangu Pitjantjatjara Yankunytjatjara
320.7 km 0% 100%
Mimili
Anangu Pitjantjatjara Yankunytjatjara
327.3 km 0% 100%
Watinuma
Anangu Pitjantjatjara Yankunytjatjara
342.5 km 0% 100%
Umuwa
Anangu Pitjantjatjara Yankunytjatjara
351.6 km 0% 100%
White Well Corner
The District Council of Ceduna
358.0 km 0% 100%
Watraba
The District Council of Ceduna
363.1 km 0% 100%
Iwantja
Anangu Pitjantjatjara Yankunytjatjara
369.3 km 0% 100%
Nyapari
Anangu Pitjantjatjara Yankunytjatjara
368.5 km 0% 100%

See all Maralinga Tjarutja suburb profiles →