Milbong flood map & planning overlays

A planning-constraint profile of Milbong (Scenic Rim Regional, QLD) - 24.6 km², mapped from live council and state overlay data. This suburb is highly constrained.
Profile updated 12 September 2026.

Elevation hillshade with street names, clipped to Milbong's boundary, with the flood, bushfire and environmental overlays drawn on top.

Nearby suburbs, nearest first

How common is mapped flood risk across Milbong properties?

Overlay percentages say how much land is constrained; these figures say how many properties are actually touched in a suburb-wide analysis of 101 Milbong properties. No individual property result is identified on this page.

Milbong flood history and overland flow

These are suburb-wide totals across 101 analysed properties. They show how common each mapped category is across Milbong; they do not identify or describe any individual property.

Recorded historical flood mapping

20.8%

21 analysed properties intersect at least one mapped historical event extent.

  • Defined Flood Event: 21

Source: Scenic Rim Regional 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.

Milbong at a glance

Parcels 109 Median lot 164,002 m² Mapped easements 2 Schools in suburb 0

Schools in and near Milbong

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

0 schools providing primary years and 0 providing secondary years. A combined school may be counted in both teaching levels.

Nearest school availability

Primary: 1.77 km from the suburb boundary

Secondary: 9.99 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 Milbong is zoned

Rural 99%
Recreation and Open Space 1%

Selling in Milbong? 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 24.6 km², Milbong is highly constrained by planning overlays. About 7% of the suburb sits within a mapped flood overlay, and 40% is flagged bushfire-prone. The dominant land-use zone is Rural. The terrain is gently undulating, and the median lot measures about 164,002 m² across 109 parcels.

Who lives in Milbong

Census 2021 figures published by the ABS for the Milbong suburb boundary itself, not a wider region.

Population
190
usual residents, 2021
Median age
42
years
Median household income
$1,875
per week, Scenic Rim Regional suburb typical $1,562
Median rent
$270
per week, Scenic Rim Regional suburb typical $300
Median mortgage
$1,950
per month
Household size
2.7
people, average

Socio-economic standing

ABS SEIFA 2021 ranks every Australian suburb. Decile 1 is the most disadvantaged tenth of the country, decile 10 the least.

Advantage and disadvantage (IRSAD) Decile 7
most disadvantagedleast disadvantaged

Score 1017, and decile 8 within Queensland. The national average is 1000.

Relative disadvantage (IRSD) Decile 8
most disadvantagedleast disadvantaged

Age profile

Share of Milbong's 190 residents in each ABS age band.

0-4 3.8%
5-14 16.3%
15-19 7.1%
20-24 6.0%
25-34 8.7%
35-44 13.6%
45-54 15.8%
55-64 14.1%
65-74 11.4%
75-84 3.3%
85+ 0.0%

Population trend, 2001 to 2025

Estimated resident population of Boonah, the wider ABS statistical area containing Milbong. There is no annual population series published at suburb level, so this describes the surrounding area rather than Milbong itself.

9,556 in 2001 to 13,450 in 2025, up 41%.

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.

Milbong data sources and coverage

“Not mapped” means we hold no source layer for this suburb - never an all-clear.

DatasetCoveragePublisher
Flood mappingMappedthe relevant council planning scheme and Queensland Government spatial data
Bushfire-prone mappingMappedthe relevant council planning scheme and Queensland Government spatial data
ZoningMappedthe relevant council planning scheme and Queensland Government spatial data
Heritage and environmentMapped where publishedthe relevant council planning scheme and Queensland Government spatial data
Aircraft noise contours (ANEF)Not heldthe relevant council planning scheme and Queensland Government spatial data, Defence
DemographicsAvailableAustralian Bureau of Statistics (2021 Census and SEIFA)
School availabilityAvailableQueensland Government

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 Milbong 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 Milbong lot.

See what's in the $9 report →

Milbong planning - frequently asked

Is Milbong flood-prone?

About 7% of Milbong falls within a mapped flood overlay, against the council-wide suburb average of 12%. Across the suburb, 21% of the 101 properties we analysed carry some level of mapped flood risk, including 20 rated high risk or historically affected.

Is Milbong bushfire-prone?

Around 40% of Milbong is mapped as bushfire-prone, compared with a Scenic Rim Regional average of 52%.

What is the zoning in Milbong?

The dominant planning zone in Milbong is Rural, though the suburb also includes Recreation and Open Space.

Does Milbong have heritage-listed places?

No heritage-listed places are on record within Milbong.

Is Milbong hilly or flat?

Milbong is gently undulating: the median ground slope is about 7%, and 12% of measured points sit on grades of 15% or steeper. Ground level runs from roughly 84 m to 223 m AHD across the suburb.

What is the typical lot size in Milbong?

Across 109 surveyed parcels in Milbong, the median lot size is about 164,002 m². There are also 2 registered easements mapped in the suburb.

What is the population of Milbong?

At the 2021 Census Milbong had 190 usual residents, with a median age of 42 and an average household size of 2.7 people. The wider Boonah statistical area, which contains Milbong, went from 9,556 people in 2001 to 13,450 in 2025, up 41%.

Is Milbong an advantaged suburb?

On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Milbong scores 1017 and sits in decile 7 of 10 nationally and decile 8 within Queensland (decile 1 is the most disadvantaged tenth, decile 10 the least).

What is the median household income in Milbong?

Median household income in Milbong was $1,875 a week at the 2021 Census, against $1,562 for the typical suburb in Scenic Rim Regional. Median rent was $270 a week and the median mortgage repayment $1,950 a month.

Compare nearby suburbs

Nearby suburbDistanceFlood mappedBushfire-prone
Woolooman 4.0 km 5% 80%
Anthony 4.2 km 0% 35%
Roadvale 4.8 km 4% 17%
Blantyre 5.6 km 0% 29%
Milora 5.7 km <1% 10%
Limestone Ridges 5.8 km 0% 33%
Washpool 6.3 km 9% 58%
Kulgun 7.1 km 0% 34%
Munbilla 7.6 km 26% 28%
Wilsons Plains 8.5 km 28% 10%

See all Scenic Rim Regional suburb profiles →