Dirty Creek flood map & planning overlays
A planning-constraint profile of Dirty Creek (Coffs Harbour, NSW) - 18.64 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
18.64 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Dirty 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.
Dirty Creek at a glance
How Dirty Creek is zoned
Buying in Dirty 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 18.64 km², Dirty Creek is highly constrained by planning overlays. Flood mapping covers the suburb and none of it falls within a mapped flood overlay, and 88% 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 36,863 m² across 187 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 Dirty Creek
Census 2021 figures published by the ABS for the Dirty 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 904, and decile 2 within New South Wales. The national average is 1000.
Age profile
Share of Dirty Creek's 106 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Woolgoolga - Arrawarra, the wider ABS statistical area containing Dirty Creek. There is no annual population series published at suburb level, so this describes the surrounding area rather than Dirty Creek itself.
10,248 in 2001 to 15,229 in 2025, up 49%.
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.
Dirty 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 Dirty 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 →Dirty Creek planning - frequently asked
Where can I see a flood map of Dirty Creek?
The schematic on this page is a Dirty Creek 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 Dirty Creek address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is Dirty Creek flood-prone?
Flood mapping covers Dirty Creek and none of the suburb falls within a mapped flood overlay (the council-wide suburb average is 18%). Flood overlays vary block to block, so whether a particular lot is affected needs a property-level check.
Is Dirty Creek bushfire-prone?
Yes - around 88% of Dirty Creek is mapped as bushfire-prone, compared with a Coffs Harbour average of 88%. A bushfire-prone designation can trigger additional building requirements, so check the specific address.
What is the zoning in Dirty Creek?
The dominant planning zone in Dirty Creek is Rural Landscape, though the suburb also includes Environmental Conservation and Infrastructure. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Dirty Creek have heritage-listed places?
Dirty 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 Dirty Creek?
Across 187 surveyed parcels in Dirty Creek, the median lot size is about 36,863 m².
Does Dirty Creek have a train station?
There is no train station inside Dirty Creek itself. The suburb is served by 6 bus stops.
What is the population of Dirty Creek?
At the 2021 Census Dirty Creek had 106 usual residents, with a median age of 32 and an average household size of 2.9 people. The wider Woolgoolga - Arrawarra statistical area, which contains Dirty Creek, went from 10,248 people in 2001 to 15,229 in 2025, up 49%. ABS publishes no annual population series for individual suburbs, so that trend describes the surrounding area rather than Dirty Creek alone.
Is Dirty Creek an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Dirty Creek scores 904 and sits in decile 2 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 Dirty Creek?
Median household income in Dirty Creek was $1,125 a week at the 2021 Census, against $1,550 for the typical suburb in Coffs Harbour. Median rent was $385 a week and the median mortgage repayment $1,500 a month. These are 2021 Census figures and have not been indexed to today.
Do I need a planning report for a Dirty Creek property?
A Dirty 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 |
|---|---|---|---|
| Corindi Beach | 5.6 km | 36% | 96% |
| Red Rock | 6.6 km | 49% | 96% |
| Upper Corindi | 7.1 km | 8% | 97% |
| Halfway Creek Clarence Valley |
7.2 km | 0% | 100% |
| Arrawarra | 8.5 km | 57% | 92% |
| Arrawarra Headland | 10.2 km | 12% | 93% |
| Sherwood Clarence Valley |
10.7 km | <1% | 100% |
| Kungala Clarence Valley |
11.7 km | 0% | 100% |
| Mullaway | 11.9 km | 9% | 90% |
| Woolgoolga | 12.1 km | 4% | 89% |