Mount Isa flood map & planning overlays

A planning-constraint profile of Mount Isa (Mount Isa City, QLD) - 6962.14 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 Mount Isa's boundary, with the flood, bushfire and environmental overlays drawn on top.

Nearby suburbs, nearest first

How common is mapped flood risk across Mount Isa properties?

Overlay percentages say how much land is constrained; these figures say how many properties are actually touched in a suburb-wide analysis of 174 Mount Isa properties. No individual property result is identified on this page.

Mount Isa at a glance

Parcels 225 Median lot 494,264 m² Mapped easements 49 Schools in suburb 0

Schools in and near Mount Isa

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: 0.31 km from the suburb boundary

Secondary: 0.27 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 Mount Isa is zoned

Rural 99%
Not applied 0%
Special Purpose 0%
Medium Impact Industry 0%
Special Industry 0%
Sport and Recreation 0%

Selling in Mount Isa? 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 6962.14 km², Mount Isa is highly constrained by planning overlays. Flood mapping covers the suburb and none of it falls within a mapped flood overlay, and 80% is flagged bushfire-prone. There are 5 heritage-listed sites on record, and the dominant land-use zone is Rural. The terrain is largely flat, and the median lot measures about 494,264 m² across 225 parcels.

Who lives in Mount Isa

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

Population
172
usual residents, 2021
Median age
35
years
Median household income
$4,727
per week, Mount Isa City suburb typical $2,177
Median rent
$175
per week, Mount Isa City suburb typical $261
Median mortgage
$1,250
per month
Household size
3.2
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 10
most disadvantagedleast disadvantaged

Score 1109, and decile 10 within Queensland. The national average is 1000.

Relative disadvantage (IRSD) Decile 10
most disadvantagedleast disadvantaged

Age profile

Share of Mount Isa's 172 residents in each ABS age band.

0-4 14.5%
5-14 17.3%
15-19 6.9%
20-24 1.7%
25-34 12.1%
35-44 21.4%
45-54 13.9%
55-64 8.7%
65-74 1.7%
75-84 1.7%
85+ 0.0%

Population trend, 2001 to 2025

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

4,235 in 2001 to 4,325 in 2025, up 2%.

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.

Mount Isa 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 Mount Isa 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 Mount Isa lot.

See what's in the $9 report →

Mount Isa planning - frequently asked

Is Mount Isa flood-prone?

Flood mapping covers Mount Isa and none of the suburb falls within a mapped flood overlay (the council-wide suburb average is 13%). Across the suburb, 0% of the 174 properties we analysed carry some level of mapped flood risk.

Is Mount Isa bushfire-prone?

Around 80% of Mount Isa is mapped as bushfire-prone, compared with a Mount Isa City average of 36%.

What is the zoning in Mount Isa?

The dominant planning zone in Mount Isa is Rural, though the suburb also includes Not applied and Special Purpose.

Does Mount Isa have heritage-listed places?

Mount Isa has 5 heritage-listed places on record.

Is Mount Isa hilly or flat?

Mount Isa is largely flat: the median ground slope is about 3%, and 10% of measured points sit on grades of 15% or steeper. Ground level runs from roughly 282 m to 465 m AHD across the suburb.

What is the typical lot size in Mount Isa?

Across 225 surveyed parcels in Mount Isa, the median lot size is about 494,264 m². There are also 49 registered easements mapped in the suburb.

What is the population of Mount Isa?

At the 2021 Census Mount Isa had 172 usual residents, with a median age of 35 and an average household size of 3.2 people. The wider Mount Isa Surrounds statistical area, which contains Mount Isa, went from 4,235 people in 2001 to 4,325 in 2025, up 2%.

Is Mount Isa an advantaged suburb?

On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Mount Isa scores 1109 and sits in decile 10 of 10 nationally and decile 10 within Queensland (decile 1 is the most disadvantaged tenth, decile 10 the least).

What is the median household income in Mount Isa?

Median household income in Mount Isa was $4,727 a week at the 2021 Census, against $2,177 for the typical suburb in Mount Isa City. Median rent was $175 a week and the median mortgage repayment $1,250 a month.

Compare nearby suburbs

Nearby suburbDistanceFlood mappedBushfire-prone
Kalkadoon 21.4 km 4% 23%
Lanskey 23.5 km 39% 72%
Ryan 25.0 km 22% 31%
Soldiers Hill 25.0 km 29% 15%
Winston 25.6 km 16% 13%
Menzies 26.5 km 3% 0%
Miles End 26.6 km 44% 16%
Sunset 26.6 km 8% 50%
Pioneer 27.2 km 4% 6%
Mount Isa City 27.2 km 5% 0%

See all Mount Isa City suburb profiles →