Coominya flood map & planning overlays
A planning-constraint profile of Coominya (Somerset Regional, QLD) - 114.72 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
114.72 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Coominya'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.
Coominya at a glance
Across its 114.72 km², Coominya is highly constrained by planning overlays. About 25% of the suburb sits within a mapped flood overlay, and 58% is flagged bushfire-prone. There are 2 heritage-listed sites on record. The median lot measures about 33,509 m² across 652 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 Coominya
Census 2021 figures published by the ABS for the Coominya 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 875, and decile 2 within Queensland. The national average is 1000.
Age profile
Share of Coominya's 1,029 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Lowood, the wider ABS statistical area containing Coominya. There is no annual population series published at suburb level, so this describes the surrounding area rather than Coominya itself.
9,538 in 2001 to 15,478 in 2025, up 62%.
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 Coominya 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 →Coominya planning - frequently asked
Where can I see a flood map of Coominya?
The schematic on this page is a Coominya flood map: the mapped flood overlays drawn over the suburb's terrain and street grid, covering about 25% of the suburb. Flood lines vary block to block, so for a specific property use the free interactive map - search any Coominya address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is Coominya flood-prone?
About 25% of Coominya 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 Coominya bushfire-prone?
Yes - around 58% of Coominya 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 Coominya?
Coominya 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 Coominya have heritage-listed places?
Coominya 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 Coominya?
Across 652 surveyed parcels in Coominya, the median lot size is about 33,509 m². There are also 91 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.
Does Coominya have a train station?
There is no train station inside Coominya itself. The suburb is served by 5 bus stops.
What is the population of Coominya?
At the 2021 Census Coominya had 1,029 usual residents, with a median age of 50 and an average household size of 2.5 people. The wider Lowood statistical area, which contains Coominya, went from 9,538 people in 2001 to 15,478 in 2025, up 62%. ABS publishes no annual population series for individual suburbs, so that trend describes the surrounding area rather than Coominya alone.
Is Coominya an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Coominya scores 875 and sits in decile 1 of 10 nationally and decile 2 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.
What is the median household income in Coominya?
Median household income in Coominya was $1,231 a week at the 2021 Census, against $1,312 for the typical suburb in Somerset Regional. Median rent was $250 a week and the median mortgage repayment $1,274 a month. These are 2021 Census figures and have not been indexed to today.
Do I need a planning report for a Coominya property?
A Coominya 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.