Salt Ash flood map & planning overlays
A planning-constraint profile of Salt Ash (Port Stephens, NSW) - 49.15 km², mapped from live council and state overlay data. This suburb is highly constrained.
Everything below is suburb-wide. Overlays change block to block - see which ones actually touch your lot. The map is free.
Constraint readout
49.15 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Salt Ash's boundary, with the flood, bushfire and environmental overlays drawn on top. It shows where constraints fall; the interactive map shows them on your exact address.
Salt Ash at a glance
How Salt Ash is zoned
Buying in Salt Ash? The zoning, flood and bushfire lines on the section 10.7 certificate attached to the contract are mapped controls - see our s10.7 certificate guide.
Across its 49.15 km², Salt Ash is highly constrained by planning overlays. Flood mapping covers the suburb and none of it falls within a mapped flood overlay, and 84% is flagged bushfire-prone. There is 1 heritage-listed site on record, and the dominant land-use zone is National Parks and Nature Reserves. The median lot measures about 8,897 m² across 504 parcels. These figures are suburb-wide - the overlays that actually apply to a given lot can differ block to block, which is what a property-level check tells you.
Who lives in Salt Ash
Census 2021 figures published by the ABS for the Salt Ash 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 931, and decile 2 within New South Wales. The national average is 1000.
Age profile
Share of Salt Ash's 1,103 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Williamtown - Medowie - Karuah, the wider ABS statistical area containing Salt Ash. There is no annual population series published at suburb level, so this describes the surrounding area rather than Salt Ash itself.
10,830 in 2001 to 17,178 in 2025, up 59%.
Source: Australian Bureau of Statistics. Census of Population and Housing 2021 (General Community Profile) and SEIFA 2021, both published at the Suburbs and Localities level; Regional Population (estimated resident population) at Statistical Area Level 2. Used under CC BY 4.0. Census counts of small populations are randomly adjusted by the ABS to protect confidentiality, so figures for small suburbs are indicative.
Salt Ash data sources and coverage
Every figure below is an aggregate for the suburb boundary. “Not mapped” means LayeredGeo does not hold a source layer covering this suburb; it is never an all-clear for a particular property.
| Dataset | Coverage | Publisher |
|---|---|---|
| Flood mapping | Mapped | NSW Government spatial services, NSW ePlanning and published council flood studies |
| Bushfire-prone mapping | Mapped | NSW Government spatial services, NSW ePlanning and published council flood studies |
| Zoning | Mapped | NSW Government spatial services, NSW ePlanning and published council flood studies |
| Heritage and environment | Mapped where published | NSW Government spatial services, NSW ePlanning and published council flood studies |
| Demographics | Available | Australian Bureau of Statistics (2021 Census and SEIFA) |
Profile last materially updated 5 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 Salt Ash 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.
See what's in the $9 report →Salt Ash planning - frequently asked
Where can I see a flood map of Salt Ash?
The schematic on this page is a Salt Ash flood map: the mapped flood overlays drawn over the suburb's terrain and street grid. Flood lines vary block to block, so for a specific property use the free interactive map - search any Salt Ash address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is Salt Ash flood-prone?
Flood mapping covers Salt Ash and none of the suburb falls within a mapped flood overlay. Flood overlays vary block to block, so whether a particular lot is affected needs a property-level check.
Is Salt Ash bushfire-prone?
Yes - around 84% of Salt Ash is mapped as bushfire-prone, compared with a Port Stephens average of 82%. A bushfire-prone designation can trigger additional building requirements, so check the specific address.
What is the zoning in Salt Ash?
The dominant planning zone in Salt Ash is National Parks and Nature Reserves, though the suburb also includes Rural Landscape and Environmental Management. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Salt Ash have heritage-listed places?
Salt Ash has 1 heritage-listed place on record. Heritage listing affects what you can alter or demolish, so confirm whether a specific property is listed or near a heritage place.
What is the typical lot size in Salt Ash?
Across 504 surveyed parcels in Salt Ash, the median lot size is about 8,897 m². There are also 5 registered easements mapped in the suburb - an easement can restrict where you can build, so always check the title and overlays for the specific lot.
Does Salt Ash have a train station?
There is no train station inside Salt Ash itself. The suburb is served by 74 bus stops.
What is the population of Salt Ash?
At the 2021 Census Salt Ash had 1,103 usual residents, with a median age of 46 and an average household size of 2.7 people. The wider Williamtown - Medowie - Karuah statistical area, which contains Salt Ash, went from 10,830 people in 2001 to 17,178 in 2025, up 59%. ABS publishes no annual population series for individual suburbs, so that trend describes the surrounding area rather than Salt Ash alone.
Is Salt Ash an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Salt Ash scores 931 and sits in decile 3 of 10 nationally and decile 2 within New South Wales - decile 1 being the most disadvantaged tenth of Australian suburbs and decile 10 the least. The national average score is 1000. SEIFA summarises income, education, occupation and housing across the whole suburb, so it describes the area, not any particular household in it.
What is the median household income in Salt Ash?
Median household income in Salt Ash was $1,461 a week at the 2021 Census, against $1,421 for the typical suburb in Port Stephens. Median rent was $310 a week and the median mortgage repayment $1,950 a month. These are 2021 Census figures and have not been indexed to today.
Do I need a planning report for a Salt Ash property?
A Salt Ash planning report pulls every overlay - zoning, flood, bushfire, heritage and environmental - that touches a single lot, on live council and state data. The interactive map preview is free; a full PDF report is $9.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Tilligerry Creek | 6.3 km | Not mapped | 28% |
| Oyster Cove | 6.5 km | Not mapped | 99% |
| Medowie | 6.6 km | Not mapped | 79% |
| Campvale | 7.0 km | 0% | 99% |
| Bobs Farm | 7.7 km | Not mapped | 79% |
| Tanilba Bay | 7.9 km | Not mapped | 86% |
| Williamtown | 8.4 km | 0% | 88% |
| Fullerton Cove | 10.3 km | 0% | 51% |
| Swan Bay | 10.9 km | Not mapped | 99% |
| Mallabula | 11.0 km | Not mapped | 83% |