South Maclean flood map & planning overlays
A planning-constraint profile of South Maclean
(Logan City, QLD) - 19.53 km², mapped from live council and
state overlay data. This suburb is highly constrained.
Profile updated 12 September 2026.
Suburb-wide figures; the free map shows which overlays touch your lot.
Constraint readout
19.53 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to South Maclean's boundary, with the flood, bushfire and environmental overlays drawn on top.
Nearby suburbs, nearest first
How common is mapped flood risk across South Maclean properties?
Overlay percentages say how much land is constrained; these figures say how many properties are actually touched in a suburb-wide analysis of 1,900 South Maclean properties. No individual property result is identified on this page.
Lot-level readout
Flood-risk rating across all 1,900 properties
From LayeredGeo's lot-risk engine: council flood overlays, historical flooding and terrain, resolved to each individual lot in South Maclean.
South Maclean flood history and overland flow
These are suburb-wide totals across 1,900 analysed properties. They show how common each mapped category is across South Maclean; they do not identify or describe any individual property.
Recorded historical flood mapping
458 analysed properties intersect at least one mapped historical event extent.
- Historic Flood 1974: 458
- Historic Flood 2022: 383
- Historic Flood 2017: 375
Mapped overland flow
1,237 analysed properties carry a mapped overland-flow category.
- Low: 1,237
Source: Logan City Council flood mapping, aggregated by LayeredGeo. Categories are only shown where at least five analysed properties share them. An address-level check is still required to determine whether a particular lot is mapped.
South Maclean at a glance
Schools in and near South Maclean
Public school-location data shows availability across the suburb. These figures do not rate schools and do not assign a particular address to a catchment.
Inside the suburb boundary
0 schools providing primary years and 0 providing secondary years. A combined school may be counted in both teaching levels.
Nearest school availability
Primary: 0.56 km from the suburb boundary
Secondary: 0.51 km from the suburb boundary
Source: Queensland Government school geographic information. Catchment boundaries can divide a suburb and change over time; use the official catchment finder for a specific address.
How South Maclean is zoned
Selling in South Maclean? The lot-level zone is the zoning Part 3 of Queensland's Form 2 seller disclosure statement asks for - see our Form 2 planning data guide.
Across its 19.53 km², South Maclean is highly constrained by planning overlays. About 76% of the suburb sits within a mapped flood overlay, and 80% is flagged bushfire-prone. The dominant land-use zone is Rural Residential. The terrain is largely flat, and the median lot measures about 448 m² across 1,703 parcels.
Who lives in South Maclean
Census 2021 figures published by the ABS for the South Maclean 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 6 within Queensland. The national average is 1000.
Age profile
Share of South Maclean's 2,232 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Greenbank - North Maclean, the wider ABS statistical area containing South Maclean. There is no annual population series published at suburb level, so this describes the surrounding area rather than South Maclean itself.
5,278 in 2001 to 12,691 in 2025, up 140%.
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.
South Maclean property market snapshot
Queensland Government publishes this as a SA2 market series for Greenbank - North Maclean, the wider statistical area containing South Maclean. It is not a valuation and is not specific to this suburb or any individual property.
House sales
Median sale price from 400 sales over 12 months to March 2026.
Source: Queensland Government Statistician's Office (QGSO). View the source profile. The same SA2 figure can appear on several suburb pages within that statistical area.
South Maclean 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 relevant council planning scheme and Queensland Government spatial data |
| Bushfire-prone mapping | Mapped | the relevant council planning scheme and Queensland Government spatial data |
| Zoning | Mapped | the relevant council planning scheme and Queensland Government spatial data |
| Heritage and environment | Mapped where published | the relevant council planning scheme and Queensland Government spatial data |
| Aircraft noise contours (ANEF) | Not held | the relevant council planning scheme and Queensland Government spatial data, Defence |
| Demographics | Available | Australian Bureau of Statistics (2021 Census and SEIFA) |
| School availability | Available | Queensland Government |
| Market statistics | Available at SA2 level | Queensland Government Statistician's Office (QGSO) |
Profile last materially updated 12 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 South Maclean 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.
The Terrain Report shows the fall of the block - contours, cross sections and a 3D model of the lot (+$9 with the planning report).
Building or pricing a slab? The $119 geotechnical desktop report covers geology, soils, bores and an indicative AS 2870 site class for a South Maclean lot.
See what's in the $9 report →South Maclean planning - frequently asked
Is South Maclean flood-prone?
About 76% of South Maclean falls within a mapped flood overlay, against the council-wide suburb average of 48%. Across the suburb, 42% of the 1,900 properties we analysed carry some level of mapped flood risk, including 540 rated high risk or historically affected.
Is South Maclean bushfire-prone?
Around 80% of South Maclean is mapped as bushfire-prone, compared with a Logan City average of 54%.
What is the zoning in South Maclean?
The dominant planning zone in South Maclean is Rural Residential, though the suburb also includes Rural and Priority Development.
Does South Maclean have heritage-listed places?
No heritage-listed places are on record within South Maclean.
Is South Maclean hilly or flat?
South Maclean is largely flat: the median ground slope is about 4%, and 1% of measured points sit on grades of 15% or steeper. Ground level runs from roughly 20 m to 49 m AHD across the suburb.
What is the typical lot size in South Maclean?
Across 1,703 surveyed parcels in South Maclean, the median lot size is about 448 m². There are also 93 registered easements mapped in the suburb.
Does South Maclean have a train station?
There is no train station inside South Maclean itself. The suburb is served by 4 bus stops.
What is the population of South Maclean?
At the 2021 Census South Maclean had 2,232 usual residents, with a median age of 39 and an average household size of 3.1 people. The wider Greenbank - North Maclean statistical area, which contains South Maclean, went from 5,278 people in 2001 to 12,691 in 2025, up 140%.
Is South Maclean an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), South Maclean scores 973 and sits in decile 5 of 10 nationally and decile 6 within Queensland (decile 1 is the most disadvantaged tenth, decile 10 the least).
What is the median household income in South Maclean?
Median household income in South Maclean was $2,061 a week at the 2021 Census, against $1,924 for the typical suburb in Logan City. Median rent was $470 a week and the median mortgage repayment $1,950 a month.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| North Maclean | 3.5 km | 67% | 90% |
| Glenlogan | 4.1 km | 84% | 66% |
| Riverbend | 5.0 km | 59% | 90% |
| Flagstone | 5.5 km | 35% | 61% |
| Munruben | 6.2 km | 61% | 85% |
| Jimboomba | 6.5 km | 44% | 83% |
| New Beith | 7.2 km | 26% | 80% |
| Stockleigh | 7.3 km | 73% | 77% |
| Cedar Grove | 7.4 km | 65% | 39% |
| Silverbark Ridge | 7.5 km | 27% | 96% |