Eight Mile Creek flood map & planning overlays
A planning-constraint profile of Eight Mile Creek
(Southern Limestone Coast Council, SA) - 39.67 km², mapped from live council and
state overlay data. This suburb is highly constrained.
Profile updated 8 September 2026.
Suburb-wide figures; the free map shows which overlays touch your lot.
Constraint readout
39.67 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Eight Mile Creek's boundary, with the flood, bushfire and environmental overlays drawn on top.
Nearby suburbs, nearest first
Eight Mile Creek at a glance
How Eight Mile Creek is zoned
Selling in Eight Mile Creek? The zone and overlays on this page are the Planning and Design Code controls a Form 1 vendor's statement has to disclose.
Across its 39.67 km², Eight Mile Creek is highly constrained by planning overlays. Flood mapping covers the suburb and none of it falls within a mapped flood overlay, and 99% is flagged bushfire-prone. The dominant land-use zone is Rural. The median lot measures about 23,657 m² across 233 parcels.
Who lives in Eight Mile Creek
Census 2021 figures published by the ABS for the Eight 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 958, and decile 4 within South Australia. The national average is 1000.
Age profile
Share of Eight Mile Creek's 163 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Grant, the wider ABS statistical area containing Eight Mile Creek. There is no annual population series published at suburb level, so this describes the surrounding area rather than Eight Mile Creek itself.
5,110 in 2001 to 6,505 in 2025, up 27%.
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.
Eight 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 South Australian Planning and Design Code and Location SA spatial data |
| Bushfire-prone mapping | Mapped | the South Australian Planning and Design Code and Location SA spatial data |
| Zoning | Mapped | the South Australian Planning and Design Code and Location SA spatial data |
| Heritage and environment | Mapped where published | the South Australian Planning and Design Code and Location SA spatial data |
| Aircraft noise contours (ANEF) | Not held | the South Australian Planning and Design Code and Location SA spatial data, 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 8 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 Eight 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.
Building or pricing a slab? The $119 geotechnical desktop report covers geology, soils, bores and an indicative AS 2870 site class for a Eight Mile Creek lot.
See what's in the $9 report →Eight Mile Creek planning - frequently asked
Is Eight Mile Creek flood-prone?
Flood mapping covers Eight Mile Creek and none of the suburb falls within a mapped flood overlay.
Is Eight Mile Creek bushfire-prone?
Around 99% of Eight Mile Creek is mapped as bushfire-prone, compared with a Southern Limestone Coast Council average of 98%.
What is the zoning in Eight Mile Creek?
The dominant planning zone in Eight Mile Creek is Rural, though the suburb also includes Rural Living and Conservation.
Does Eight Mile Creek have heritage-listed places?
No heritage-listed places are on record within Eight Mile Creek.
What is the typical lot size in Eight Mile Creek?
Across 233 surveyed parcels in Eight Mile Creek, the median lot size is about 23,657 m².
What is the population of Eight Mile Creek?
At the 2021 Census Eight Mile Creek had 163 usual residents, with a median age of 40 and an average household size of 2.8 people. The wider Grant statistical area, which contains Eight Mile Creek, went from 5,110 people in 2001 to 6,505 in 2025, up 27%.
Is Eight Mile Creek an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Eight Mile Creek scores 958 and sits in decile 4 of 10 nationally and decile 4 within South Australia (decile 1 is the most disadvantaged tenth, decile 10 the least).
What is the median household income in Eight Mile Creek?
Median household income in Eight Mile Creek was $1,781 a week at the 2021 Census, against $1,833 for the typical suburb in Southern Limestone Coast Council. Median rent was $193 a week and the median mortgage repayment $1,436 a month.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Racecourse Bay | 6.3 km | 0% | 72% |
| Caveton | 7.7 km | 0% | 100% |
| Wye | 8.2 km | <1% | 99% |
| Allendale East | 9.0 km | 0% | 100% |
| Port Macdonnell | 9.5 km | 0% | 98% |
| Mount Schank | 12.0 km | 0% | 100% |
| Donovans | 13.7 km | 0% | 100% |
| Caroline | 14.8 km | 0% | 100% |
| Ob Flat | 15.5 km | 0% | 100% |
| Yahl | 15.8 km | 0% | 100% |