Dum Dum flood map & planning overlays
A planning-constraint profile of Dum Dum (Tweed, NSW) - 10.03 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
10.03 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Dum Dum'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.
Dum Dum at a glance
How Dum Dum is zoned
Buying in Dum Dum? 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 10.03 km², Dum Dum is highly constrained by planning overlays. About 6% of the suburb sits within a mapped flood overlay, and 100% is flagged bushfire-prone. There are 8 heritage-listed sites on record, and the dominant land-use zone is Deferred Matter. The median lot measures about 21,464 m² across 69 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 Dum Dum
Census 2021 figures published by the ABS for the Dum Dum 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 973, and decile 4 within New South Wales. The national average is 1000.
Age profile
Share of Dum Dum's 125 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Murwillumbah Surrounds, the wider ABS statistical area containing Dum Dum. There is no annual population series published at suburb level, so this describes the surrounding area rather than Dum Dum itself.
8,963 in 2001 to 10,835 in 2025, up 21%.
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.
Dum Dum 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 Dum Dum 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 →Dum Dum planning - frequently asked
Where can I see a flood map of Dum Dum?
The schematic on this page is a Dum Dum flood map: the mapped flood overlays drawn over the suburb's terrain and street grid, covering about 6% of the suburb. Flood lines vary block to block, so for a specific property use the free interactive map - search any Dum Dum address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is Dum Dum flood-prone?
About 6% of Dum Dum falls within a mapped flood overlay, against the council-wide suburb average of 25%. Flood overlays vary block to block, so whether a particular lot is affected needs a property-level check.
Is Dum Dum bushfire-prone?
Yes - around 100% of Dum Dum is mapped as bushfire-prone, compared with a Tweed average of 91%. A bushfire-prone designation can trigger additional building requirements, so check the specific address.
What is the zoning in Dum Dum?
The dominant planning zone in Dum Dum is Deferred Matter, though the suburb also includes Rural Landscape and National Parks and Nature Reserves. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Dum Dum have heritage-listed places?
Dum Dum has 8 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 Dum Dum?
Across 69 surveyed parcels in Dum Dum, the median lot size is about 21,464 m².
Does Dum Dum have a train station?
There is no train station inside Dum Dum itself. The suburb is served by 6 bus stops.
What is the population of Dum Dum?
At the 2021 Census Dum Dum had 125 usual residents, with a median age of 59 and an average household size of 2.4 people. The wider Murwillumbah Surrounds statistical area, which contains Dum Dum, went from 8,963 people in 2001 to 10,835 in 2025, up 21%. ABS publishes no annual population series for individual suburbs, so that trend describes the surrounding area rather than Dum Dum alone.
Is Dum Dum an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Dum Dum scores 973 and sits in decile 5 of 10 nationally and decile 4 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 Dum Dum?
Median household income in Dum Dum was $1,771 a week at the 2021 Census, against $1,394 for the typical suburb in Tweed. Median rent was $380 a week and the median mortgage repayment $1,820 a month. These are 2021 Census figures and have not been indexed to today.
Do I need a planning report for a Dum Dum property?
A Dum Dum 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 |
|---|---|---|---|
| Byangum | 3.6 km | 36% | 99% |
| Uki | 3.6 km | 17% | 100% |
| Dunbible | 4.0 km | 27% | 99% |
| Smiths Creek | 5.6 km | 3% | 100% |
| Bray Park | 5.7 km | 43% | 69% |
| Eungella | 6.4 km | 21% | 100% |
| Stokers Siding | 6.4 km | 5% | 100% |
| North Arm | 7.0 km | 17% | 100% |
| Mount Warning | 7.1 km | 1% | 100% |
| Murwillumbah | 7.2 km | 68% | 61% |