Monsildale flood map & planning overlays
A planning-constraint profile of Monsildale (Somerset Regional, QLD) - 329.22 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
329.22 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Monsildale'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.
Monsildale at a glance
Across its 329.22 km², Monsildale is highly constrained by planning overlays. About 6% of the suburb sits within a mapped flood overlay, and 73% is flagged bushfire-prone. There are 2 heritage-listed sites on record. The median lot measures about 438,450 m² across 193 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 Monsildale
Census 2021 figures published by the ABS for the Monsildale 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 4 within Queensland. The national average is 1000.
Population trend, 2001 to 2025
Estimated resident population of Kilcoy, the wider ABS statistical area containing Monsildale. There is no annual population series published at suburb level, so this describes the surrounding area rather than Monsildale itself.
4,029 in 2001 to 6,216 in 2025, up 54%.
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.
Check a specific Monsildale 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 →Monsildale planning - frequently asked
Where can I see a flood map of Monsildale?
The schematic on this page is a Monsildale flood map: the mapped flood overlays drawn over the suburb's terrain and street grid, covering about 6% of the suburb. Flood lines vary block to block, so for a specific property use the free interactive map - search any Monsildale address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is Monsildale flood-prone?
About 6% of Monsildale falls within a mapped flood overlay, against a Somerset Regional average of 25%. Flood overlays vary block to block, so whether a particular lot is affected needs a property-level check.
Is Monsildale bushfire-prone?
Yes - around 73% of Monsildale is mapped as bushfire-prone, compared with a Somerset Regional average of 54%. A bushfire-prone designation can trigger additional building requirements, so check the specific address.
What is the zoning in Monsildale?
Monsildale contains a mix of planning zones. Zoning sets what you can build and do on a site, and can differ lot by lot - check the exact address.
Does Monsildale have heritage-listed places?
Monsildale has 2 heritage-listed places 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 Monsildale?
Across 193 surveyed parcels in Monsildale, the median lot size is about 438,450 m². There are also 6 registered easements mapped in the suburb - an easement can restrict where you can build, so always check the title and overlays for the specific lot.
Is Monsildale an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Monsildale scores 943 and sits in decile 3 of 10 nationally and decile 4 within Queensland - 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 Monsildale property?
A Monsildale 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.