Mount Kembla flood map & planning overlays
A planning-constraint profile of Mount Kembla (Wollongong, NSW) - 5.81 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
5.81 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Mount Kembla'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.
Mount Kembla at a glance
How Mount Kembla is zoned
Buying in Mount Kembla? 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 5.81 km², Mount Kembla is highly constrained by planning overlays. Flood mapping covers the suburb and none of it falls within a mapped flood overlay, and 95% is flagged bushfire-prone. There are 14 heritage-listed sites on record, and the dominant land-use zone is National Parks and Nature Reserves. The median lot measures about 1,085 m² across 468 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 Mount Kembla
Census 2021 figures published by the ABS for the Mount Kembla 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 1081, and decile 9 within New South Wales. The national average is 1000.
Age profile
Share of Mount Kembla's 1,083 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Unanderra - Mount Kembla, the wider ABS statistical area containing Mount Kembla. There is no annual population series published at suburb level, so this describes the surrounding area rather than Mount Kembla itself.
16,092 in 2001 to 15,414 in 2025, down 4%.
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.
Mount Kembla 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 Mount Kembla 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 →Mount Kembla planning - frequently asked
Where can I see a flood map of Mount Kembla?
The schematic on this page is a Mount Kembla 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 Mount Kembla address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is Mount Kembla flood-prone?
Flood mapping covers Mount Kembla and none of the suburb falls within a mapped flood overlay (the council-wide suburb average is 4%). Flood overlays vary block to block, so whether a particular lot is affected needs a property-level check.
Is Mount Kembla bushfire-prone?
Yes - around 95% of Mount Kembla is mapped as bushfire-prone, compared with a Wollongong average of 56%. A bushfire-prone designation can trigger additional building requirements, so check the specific address.
What is the zoning in Mount Kembla?
The dominant planning zone in Mount Kembla is National Parks and Nature Reserves, though the suburb also includes Environmental Conservation and Environmental Living. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Mount Kembla have heritage-listed places?
Mount Kembla has 14 heritage-listed places 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 Mount Kembla?
Across 468 surveyed parcels in Mount Kembla, the median lot size is about 1,085 m². There are also 11 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 Mount Kembla have a train station?
There is no train station inside Mount Kembla itself. The suburb is served by 26 bus stops.
What is the population of Mount Kembla?
At the 2021 Census Mount Kembla had 1,083 usual residents, with a median age of 42 and an average household size of 3.0 people. The wider Unanderra - Mount Kembla statistical area, which contains Mount Kembla, went from 16,092 people in 2001 to 15,414 in 2025, down 4%. ABS publishes no annual population series for individual suburbs, so that trend describes the surrounding area rather than Mount Kembla alone.
Is Mount Kembla an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Mount Kembla scores 1081 and sits in decile 10 of 10 nationally and decile 9 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 Mount Kembla?
Median household income in Mount Kembla was $2,824 a week at the 2021 Census, against $1,912 for the typical suburb in Wollongong. Median rent was $440 a week and the median mortgage repayment $2,600 a month. These are 2021 Census figures and have not been indexed to today.
Do I need a planning report for a Mount Kembla property?
A Mount Kembla 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 |
|---|---|---|---|
| Kembla Heights | 1.5 km | 0% | 100% |
| Cordeaux Heights | 1.8 km | 0% | 56% |
| Figtree | 2.0 km | 0% | 38% |
| Farmborough Heights | 3.2 km | 0% | 63% |
| Unanderra | 3.8 km | 0% | 17% |
| West Wollongong | 4.0 km | <1% | 4% |
| Mount Saint Thomas | 4.3 km | 18% | 15% |
| Kembla Grange | 4.4 km | 12% | 66% |
| Mount Keira | 4.4 km | 0% | 93% |
| Mangerton | 4.4 km | 9% | 23% |