Back Creek flood map & planning overlays
A planning-constraint profile of Back Creek (Tweed, NSW) - 7.35 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
7.35 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Back Creek'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.
Back Creek at a glance
How Back Creek is zoned
Buying in Back Creek? 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 7.35 km², Back Creek is highly constrained by planning overlays. About 15% of the suburb sits within a mapped flood overlay, and 100% is flagged bushfire-prone. There is 1 heritage-listed site on record, and the dominant land-use zone is Rural Landscape. The median lot measures about 44,216 m² across 25 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 Back Creek
Census 2021 figures published by the ABS for the Back Creek 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 949, and decile 3 within New South Wales. The national average is 1000.
Population trend, 2001 to 2025
Estimated resident population of Murwillumbah Surrounds, the wider ABS statistical area containing Back Creek. There is no annual population series published at suburb level, so this describes the surrounding area rather than Back Creek 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.
Back Creek 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 Back Creek 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 →Back Creek planning - frequently asked
Where can I see a flood map of Back Creek?
The schematic on this page is a Back Creek flood map: the mapped flood overlays drawn over the suburb's terrain and street grid, covering about 15% of the suburb. Flood lines vary block to block, so for a specific property use the free interactive map - search any Back Creek address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is Back Creek flood-prone?
About 15% of Back Creek 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 Back Creek bushfire-prone?
Yes - around 100% of Back Creek 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 Back Creek?
The dominant planning zone in Back Creek is Rural Landscape, though the suburb also includes Natural Waterways and National Parks and Nature Reserves. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Back Creek have heritage-listed places?
Back Creek 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 Back Creek?
Across 25 surveyed parcels in Back Creek, the median lot size is about 44,216 m².
Is Back Creek an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Back Creek scores 949 and sits in decile 3 of 10 nationally and decile 3 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.
Do I need a planning report for a Back Creek property?
A Back Creek 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 |
|---|---|---|---|
| Brays Creek | 3.1 km | 5% | 100% |
| Pumpenbil | 3.9 km | 9% | 100% |
| Mebbin | 4.6 km | <1% | 100% |
| Tyalgum | 7.8 km | 10% | 100% |
| Byrrill Creek | 7.9 km | 7% | 100% |
| Tyalgum Creek | 8.2 km | 8% | 100% |
| Kunghur | 8.5 km | 7% | 100% |
| Cedar Creek | 9.6 km | <1% | 100% |
| Mount Burrell | 10.2 km | 4% | 100% |
| Border Ranges Kyogle |
10.7 km | 0% | 100% |