Property Report / Areas / Mackay Regional / Koumala

Koumala flood map & planning overlays

A planning-constraint profile of Koumala (Mackay Regional, QLD) - 832.18 km², mapped from live council and state overlay data. This suburb is highly constrained.
Profile updated 19 September 2026.

Suburb-wide figures; the free map shows which overlays touch your lot.

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

Nearby suburbs, nearest first

How common is mapped flood risk across Koumala properties?

Overlay percentages say how much land is constrained; these figures say how many properties are actually touched in a suburb-wide analysis of 857 Koumala properties. No individual property result is identified on this page.

Koumala at a glance

Parcels 946 Median lot 101,036 m² Mapped easements 58 Schools in suburb 1 Landslide overlay 35%

Schools in and near Koumala

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

1

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

Nearest school availability

Primary: inside the suburb

Secondary: 8.13 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 Koumala is zoned

Rural 79%
Conservation 13%
Open space 8%
Special purpose 0%
Township 0%
Community facilities 0%

Selling in Koumala? 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 832.18 km², Koumala is highly constrained by planning overlays. About 31% of the suburb sits within a mapped flood overlay, and 46% is flagged bushfire-prone. There is 1 heritage-listed site on record, and the dominant land-use zone is Rural. The terrain is largely flat, and the median lot measures about 101,036 m² across 946 parcels.

Who lives in Koumala

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

Population
772
usual residents, 2021
Median age
45
years
Median household income
$1,833
per week, Mackay Regional suburb typical $1,937
Median rent
$250
per week, Mackay Regional suburb typical $272
Median mortgage
$1,667
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 3
most disadvantagedleast disadvantaged

Score 936, and decile 4 within Queensland. The national average is 1000.

Relative disadvantage (IRSD) Decile 3
most disadvantagedleast disadvantaged

Age profile

Share of Koumala's 772 residents in each ABS age band.

0-4 5.5%
5-14 14.8%
15-19 3.8%
20-24 2.9%
25-34 8.1%
35-44 14.6%
45-54 14.1%
55-64 15.9%
65-74 16.9%
75-84 2.9%
85+ 0.5%

Population trend, 2001 to 2025

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

9,620 in 2001 to 12,500 in 2025, up 30%.

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.

Koumala 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 19 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 Koumala 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 over parts of Koumala. The free check tells you whether one reaches an address; where it does, a Flood Model Report is +$9 with the planning report.

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 Koumala lot.

See what's in the $9 report →

Koumala planning - frequently asked

Is Koumala flood-prone?

About 31% of Koumala falls within a mapped flood overlay, against the council-wide suburb average of 34%. Across the suburb, 56% of the 857 properties we analysed carry some level of mapped flood risk, including 196 rated high risk or historically affected.

Is Koumala bushfire-prone?

Around 46% of Koumala is mapped as bushfire-prone, compared with a Mackay Regional average of 26%.

What is the zoning in Koumala?

The dominant planning zone in Koumala is Rural, though the suburb also includes Conservation and Open space.

Does Koumala have heritage-listed places?

Koumala has 1 heritage-listed place on record.

Is Koumala hilly or flat?

Koumala is largely flat: the median ground slope is about 2%, and 11% of measured points sit on grades of 15% or steeper. Ground level runs from roughly 4 m to 242 m AHD across the suburb.

What is the typical lot size in Koumala?

Across 946 surveyed parcels in Koumala, the median lot size is about 101,036 m². There are also 58 registered easements mapped in the suburb.

What is the population of Koumala?

At the 2021 Census Koumala had 772 usual residents, with a median age of 45 and an average household size of 2.7 people. The wider Sarina statistical area, which contains Koumala, went from 9,620 people in 2001 to 12,500 in 2025, up 30%.

Is Koumala an advantaged suburb?

On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Koumala scores 936 and sits in decile 3 of 10 nationally and decile 4 within Queensland (decile 1 is the most disadvantaged tenth, decile 10 the least).

What is the median household income in Koumala?

Median household income in Koumala was $1,833 a week at the 2021 Census, against $1,937 for the typical suburb in Mackay Regional. Median rent was $250 a week and the median mortgage repayment $1,667 a month.

Compare nearby suburbs

Nearby suburbDistanceFlood mappedBushfire-prone
Sarina Range 17.5 km 30% 37%
Armstrong Beach 19.8 km 29% 31%
Freshwater Point 23.2 km 74% 18%
Sarina 24.0 km 8% 33%
Sarina Beach 26.1 km 50% 19%
Campwin Beach 27.4 km 64% 13%
Grasstree Beach 30.1 km 11% 44%
Munbura 32.3 km 4% 4%
Sunnyside 34.3 km <1% 35%
Alligator Creek 35.5 km 16% 22%

See all Mackay Regional suburb profiles →