Four Mile Creek flood map & planning overlays
A planning-constraint profile of Four Mile Creek
(Break O'Day, TAS) - 30.42 km², mapped from live council and
state overlay data. This suburb is highly constrained.
Profile updated 10 September 2026.
Suburb-wide figures; the free map shows which overlays touch your lot.
Constraint readout
30.42 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Four Mile Creek's boundary, with the flood, bushfire and environmental overlays drawn on top.
Nearby suburbs, nearest first
Four Mile Creek at a glance
How Four Mile Creek is zoned
Buying in Four Mile Creek? The zone and code overlays on this page are the Tasmanian Planning Scheme controls a section 337 certificate reports for a title.
Across its 30.42 km², Four Mile Creek is highly constrained by planning overlays. About 10% of the suburb sits within a mapped flood overlay, and 100% is flagged bushfire-prone. The dominant land-use zone is Environmental Management. The median lot measures about 13,690 m² across 148 parcels.
Who lives in Four Mile Creek
Census 2021 figures published by the ABS for the Four Mile 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 943, and decile 6 within Tasmania. The national average is 1000.
Age profile
Share of Four Mile Creek's 118 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of St Helens - Scamander, the wider ABS statistical area containing Four Mile Creek. There is no annual population series published at suburb level, so this describes the surrounding area rather than Four Mile Creek itself.
5,830 in 2001 to 7,219 in 2025, up 24%.
Source: ABS Census 2021 and SEIFA 2021 (Suburbs and Localities), Regional Population (SA2), CC BY 4.0. Small counts are randomly adjusted by the ABS.
Four Mile Creek data sources and coverage
“Not mapped” means we hold no source layer for this suburb - never an all-clear.
| Dataset | Coverage | Publisher |
|---|---|---|
| Flood mapping | Mapped | the Tasmanian Planning Scheme and the LIST (Land Tasmania) |
| Bushfire-prone mapping | Mapped | the Tasmanian Planning Scheme and the LIST (Land Tasmania) |
| Zoning | Mapped | the Tasmanian Planning Scheme and the LIST (Land Tasmania) |
| Heritage and environment | Mapped where published | the Tasmanian Planning Scheme and the LIST (Land Tasmania) |
| Aircraft noise contours (ANEF) | Not held | the Tasmanian Planning Scheme and the LIST (Land Tasmania), Defence |
| Observed flight paths | Watched, not yet sampled here | adsb.lol, under the Open Database License |
| Demographics | Available | Australian Bureau of Statistics (2021 Census and SEIFA) |
Profile last materially updated 10 September 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 Four Mile 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.
Published flood models are held here: a Flood Model Report is available for about 110 Four Mile Creek addresses (+$9 with the planning report).
See what's in the $9 report →Four Mile Creek planning - frequently asked
Is Four Mile Creek flood-prone?
About 10% of Four Mile Creek falls within a mapped flood overlay, against the council-wide suburb average of 13%. Modelled flood depth, velocity and flood level are held for about 110 Four Mile Creek addresses, from published flood studies; the free check on the Flood Model Report page says whether a model reaches a given address.
Is Four Mile Creek bushfire-prone?
Around 100% of Four Mile Creek is mapped as bushfire-prone, compared with a Break O'Day average of 99%.
What is the zoning in Four Mile Creek?
The dominant planning zone in Four Mile Creek is Environmental Management, though the suburb also includes Landscape Conservation and Rural.
Does Four Mile Creek have heritage-listed places?
No heritage-listed places are on record within Four Mile Creek.
What is the typical lot size in Four Mile Creek?
Across 148 surveyed parcels in Four Mile Creek, the median lot size is about 13,690 m².
What is the population of Four Mile Creek?
At the 2021 Census Four Mile Creek had 118 usual residents, with a median age of 61 and an average household size of 2.0 people. The wider St Helens - Scamander statistical area, which contains Four Mile Creek, went from 5,830 people in 2001 to 7,219 in 2025, up 24%.
Is Four Mile Creek an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Four Mile Creek scores 943 and sits in decile 3 of 10 nationally and decile 6 within Tasmania (decile 1 is the most disadvantaged tenth, decile 10 the least).
What is the median household income in Four Mile Creek?
Median household income in Four Mile Creek was $900 a week at the 2021 Census, against $900 for the typical suburb in Break O'Day. Median rent was $250 a week and the median mortgage repayment $1,757 a month.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Falmouth | 7.2 km | 16% | 99% |
| Chain Of Lagoons | 9.1 km | 14% | 100% |
| Gray | 9.6 km | 6% | 100% |
| St Marys | 9.8 km | 12% | 100% |
| Cornwall | 12.2 km | 3% | 99% |
| Scamander | 12.6 km | 30% | 97% |
| Upper Scamander | 15.9 km | 9% | 100% |
| Seymour | 17.9 km | 38% | 97% |
| Beaumaris | 18.0 km | 10% | 99% |
| Douglas River | 24.7 km | 30% | 100% |