Petrie flood map & planning overlays
A planning-constraint profile of Petrie (Moreton Bay City, QLD) - 7.85 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
7.85 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Petrie'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.
Petrie flood risk at the property level
Overlay percentages say how much land is constrained; these figures say how many properties are actually touched, from our lot-by-lot analysis of 3,788 Petrie properties.
Lot-level readout
Flood-risk rating across all 3,788 properties
From LayeredGeo's lot-risk engine: council flood overlays, historical flooding and terrain, resolved to each individual lot in Petrie.
Petrie at a glance
How Petrie is zoned
Selling in Petrie? 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 7.85 km², Petrie is highly constrained by planning overlays. About 49% of the suburb sits within a mapped flood overlay, and 23% is flagged bushfire-prone. There are 21 heritage-listed sites on record, and the dominant land-use zone is General residential. The terrain is gently undulating, and the median lot measures about 745 m² across 3,542 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 Petrie
Census 2021 figures published by the ABS for the Petrie 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 978, and decile 6 within Queensland. The national average is 1000.
Age profile
Share of Petrie's 8,722 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Petrie, the wider ABS statistical area containing Petrie. There is no annual population series published at suburb level, so this describes the surrounding area rather than Petrie itself.
7,890 in 2001 to 9,202 in 2025, up 17%.
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 Petrie 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 →Petrie planning - frequently asked
Where can I see a flood map of Petrie?
The schematic on this page is a Petrie flood map: the mapped flood overlays drawn over the suburb's terrain and street grid, covering about 49% of the suburb. Flood lines vary block to block, so for a specific property use the free interactive map - search any Petrie address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is Petrie flood-prone?
About 49% of Petrie falls within a mapped flood overlay, against a Moreton Bay City average of 37%. Looking lot by lot, 19% of the 3,788 properties we analysed in Petrie carry some level of mapped flood risk, including 635 rated high risk or historically affected. Flood overlays vary block to block, so whether a particular lot is affected needs a property-level check.
Is Petrie bushfire-prone?
Yes - around 23% of Petrie is mapped as bushfire-prone, compared with a Moreton Bay City average of 59%. A bushfire-prone designation can trigger additional building requirements, so check the specific address.
What is the zoning in Petrie?
The dominant planning zone in Petrie is General residential, though the suburb also includes Centre and Recreation and open space. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Petrie have heritage-listed places?
Petrie has 21 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.
Is Petrie hilly or flat?
Petrie is gently undulating: the median lot slope is about 8%, and 5% of properties sit on slopes of 15% or steeper. Ground level runs from roughly 8 m to 44 m AHD across the suburb. Slope drives site costs - cut and fill, retaining walls and driveway grades - so it is worth knowing before you commit to a sloping block.
What is the typical lot size in Petrie?
Across 3,542 surveyed parcels in Petrie, the median lot size is about 745 m². There are also 618 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 Petrie have a train station?
Yes - Petrie has 1 train station: Petrie station. It is also served by 24 bus stops.
What is the population of Petrie?
At the 2021 Census Petrie had 8,722 usual residents, with a median age of 38 and an average household size of 2.7 people. The wider Petrie statistical area, which contains Petrie, went from 7,890 people in 2001 to 9,202 in 2025, up 17%. ABS publishes no annual population series for individual suburbs, so that trend describes the surrounding area rather than Petrie alone.
Is Petrie an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Petrie scores 978 and sits in decile 5 of 10 nationally and decile 6 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 Petrie?
Median household income in Petrie was $1,853 a week at the 2021 Census, against $1,827 for the typical suburb in Moreton Bay City. Median rent was $360 a week and the median mortgage repayment $1,725 a month. These are 2021 Census figures and have not been indexed to today.
Do I need a planning report for a Petrie property?
A Petrie 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.