Port Augusta flood map & planning overlays

A planning-constraint profile of Port Augusta (Port Augusta City Council, SA) - 20.47 km², mapped from live council and state overlay data. This suburb is highly constrained.
Profile updated 4 September 2026.

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

Nearby suburbs, nearest first

Port Augusta at a glance

Parcels 4,700 Median lot 723 m² Bus stops 89

How Port Augusta is zoned

Suburban Neighbourhood 22%
Conservation 19%
Rural Neighbourhood 18%
Strategic Employment 10%
Recreation 9%
Coastal Waters and Offshore Islands 6%

Selling in Port Augusta? 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 20.47 km², Port Augusta is highly constrained by planning overlays. Flood mapping covers the suburb and none of it falls within a mapped flood overlay, and 68% is flagged bushfire-prone. There are 12 heritage-listed sites on record, and the dominant land-use zone is Suburban Neighbourhood. The median lot measures about 723 m² across 4,700 parcels.

Who lives in Port Augusta

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

Population
6,437
usual residents, 2021
Median age
39
years
Median household income
$1,092
per week, Port Augusta City Council suburb typical $1,303
Median rent
$194
per week, Port Augusta City Council suburb typical $231
Median mortgage
$979
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 1
most disadvantagedleast disadvantaged

Score 844, and decile 1 within South Australia. The national average is 1000.

Relative disadvantage (IRSD) Decile 1
most disadvantagedleast disadvantaged

Age profile

Share of Port Augusta's 6,437 residents in each ABS age band.

0-4 6.0%
5-14 12.2%
15-19 5.8%
20-24 6.0%
25-34 14.6%
35-44 11.1%
45-54 11.9%
55-64 13.3%
65-74 9.8%
75-84 6.8%
85+ 2.4%

Population trend, 2001 to 2025

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

13,495 in 2001 to 14,134 in 2025, up 5%.

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.

Port Augusta 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 pathsWatched, not yet sampled hereadsb.lol, under the Open Database License
DemographicsAvailableAustralian 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 Port Augusta 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 Port Augusta lot.

See what's in the $9 report →

Port Augusta planning - frequently asked

Is Port Augusta flood-prone?

Flood mapping covers Port Augusta and none of the suburb falls within a mapped flood overlay (the council-wide suburb average is 1%).

Is Port Augusta bushfire-prone?

Around 68% of Port Augusta is mapped as bushfire-prone, compared with a Port Augusta City Council average of 76%.

What is the zoning in Port Augusta?

The dominant planning zone in Port Augusta is Suburban Neighbourhood, though the suburb also includes Conservation and Rural Neighbourhood.

Does Port Augusta have heritage-listed places?

Port Augusta has 12 heritage-listed places on record.

What is the typical lot size in Port Augusta?

Across 4,700 surveyed parcels in Port Augusta, the median lot size is about 723 m².

Does Port Augusta have a train station?

There is no train station inside Port Augusta itself. The suburb is served by 89 bus stops.

What is the population of Port Augusta?

At the 2021 Census Port Augusta had 6,437 usual residents, with a median age of 39 and an average household size of 2.2 people. The wider Port Augusta statistical area, which contains Port Augusta, went from 13,495 people in 2001 to 14,134 in 2025, up 5%.

Is Port Augusta an advantaged suburb?

On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Port Augusta scores 844 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 Port Augusta?

Median household income in Port Augusta was $1,092 a week at the 2021 Census, against $1,303 for the typical suburb in Port Augusta City Council. Median rent was $194 a week and the median mortgage repayment $979 a month.

Compare nearby suburbs

Nearby suburbDistanceFlood mappedBushfire-prone
Davenport 2.5 km 0% 100%
Wami Kata 5.3 km 0% 99%
Port Augusta West 6.7 km 0% 93%
Port Paterson 7.1 km 6% 69%
Stirling North 7.9 km 1% 97%
Mundallio 11.0 km 0% 100%
Commissariat Point 12.4 km 0% 46%
Saltia
The Flinders Ranges Council
15.3 km 0% 100%
Winninowie 16.8 km 0% 78%
Woolundunga
The District Council of Mount Remarkable
18.8 km 0% 100%

See all Port Augusta City Council suburb profiles →