Streaky Bay flood map & planning overlays

A planning-constraint profile of Streaky Bay (The District Council of Streaky Bay, SA) - 523.23 km², mapped from live council and state overlay data. This suburb is highly constrained.
Profile updated 8 September 2026.

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

Nearby suburbs, nearest first

Streaky Bay at a glance

Parcels 1,644 Median lot 2,215 m² Bus stops 1

How Streaky Bay is zoned

Rural 84%
Conservation 8%
Rural Living 3%
Coastal Waters and Offshore Islands 3%
Deferred Urban 1%
Neighbourhood 0%

Selling in Streaky 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 523.23 km², Streaky Bay is highly constrained by planning overlays. Flood mapping covers the suburb and none of it falls within a mapped flood overlay, and 97% is flagged bushfire-prone. There are 2 heritage-listed sites on record, and the dominant land-use zone is Rural. The median lot measures about 2,215 m² across 1,644 parcels.

Who lives in Streaky Bay

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

Population
1,436
usual residents, 2021
Median age
48
years
Median household income
$1,111
per week, The District Council of Streaky Bay suburb typical $1,062
Median rent
$250
per week, The District Council of Streaky Bay suburb typical $250
Median mortgage
$1,278
per month
Household size
2.2
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 3
most disadvantagedleast disadvantaged

Score 951, and decile 4 within South Australia. The national average is 1000.

Relative disadvantage (IRSD) Decile 5
most disadvantagedleast disadvantaged

Age profile

Share of Streaky Bay's 1,436 residents in each ABS age band.

0-4 5.0%
5-14 12.1%
15-19 3.8%
20-24 3.4%
25-34 10.5%
35-44 9.9%
45-54 13.2%
55-64 16.9%
65-74 15.7%
75-84 5.9%
85+ 3.5%

Population trend, 2001 to 2025

Estimated resident population of West Coast (SA), the wider ABS statistical area containing Streaky Bay. There is no annual population series published at suburb level, so this describes the surrounding area rather than Streaky Bay itself.

3,437 in 2001 to 3,895 in 2025, up 13%.

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.

Streaky Bay 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 8 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 Streaky 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 Streaky Bay lot.

See what's in the $9 report →

Streaky Bay planning - frequently asked

Is Streaky Bay flood-prone?

Flood mapping covers Streaky Bay and none of the suburb falls within a mapped flood overlay.

Is Streaky Bay bushfire-prone?

Around 97% of Streaky Bay is mapped as bushfire-prone, compared with a The District Council of Streaky Bay average of 98%.

What is the zoning in Streaky Bay?

The dominant planning zone in Streaky Bay is Rural, though the suburb also includes Conservation and Rural Living.

Does Streaky Bay have heritage-listed places?

Streaky Bay has 2 heritage-listed places on record.

What is the typical lot size in Streaky Bay?

Across 1,644 surveyed parcels in Streaky Bay, the median lot size is about 2,215 m².

Does Streaky Bay have a train station?

There is no train station inside Streaky Bay itself. The suburb is served by 1 bus stop.

What is the population of Streaky Bay?

At the 2021 Census Streaky Bay had 1,436 usual residents, with a median age of 48 and an average household size of 2.2 people. The wider West Coast (SA) statistical area, which contains Streaky Bay, went from 3,437 people in 2001 to 3,895 in 2025, up 13%.

Is Streaky Bay an advantaged suburb?

On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Streaky Bay scores 951 and sits in decile 3 of 10 nationally and decile 4 within South Australia (decile 1 is the most disadvantaged tenth, decile 10 the least).

What is the median household income in Streaky Bay?

Median household income in Streaky Bay was $1,111 a week at the 2021 Census, against $1,062 for the typical suburb in The District Council of Streaky Bay. Median rent was $250 a week and the median mortgage repayment $1,278 a month.

Compare nearby suburbs

Nearby suburbDistanceFlood mappedBushfire-prone
Yanerbie 11.5 km 0% 99%
Eba Anchorage 16.1 km 0% 77%
Westall 17.7 km 0% 94%
Piednippie 18.5 km 0% 100%
Maryvale 19.5 km 0% 100%
Calca 25.4 km 0% 99%
Perlubie 26.4 km 0% 99%
Mortana 26.8 km 0% 100%
Sceale Bay 27.8 km 0% 95%
Tyringa 34.9 km 0% 99%

See all The District Council of Streaky Bay suburb profiles →