Planning Maps / Areas / Redland City / North Stradbroke Island

North Stradbroke Island flood map & planning overlays

A planning-constraint profile of North Stradbroke Island (Redland City, QLD) - 271.07 km², mapped from live council and state overlay data. This suburb is highly constrained.

Elevation hillshade with street names, clipped to North Stradbroke Island'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.

North Stradbroke Island 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 117 North Stradbroke Island properties.

North Stradbroke Island at a glance

Parcels 333 Median lot 68,134 m² Mapped easements 34 Landslide overlay 28%

How North Stradbroke Island is zoned

Conservation 98%
Community Facilities 1%
Recreation and Open Space 0%
Emerging Communities 0%
Environmental Management 0%
Low Density Residential 0%

Selling in North Stradbroke Island? 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 271.07 km², North Stradbroke Island is highly constrained by planning overlays. About 10% of the suburb sits within a mapped flood overlay, and 87% is flagged bushfire-prone. There are 5 heritage-listed sites on record, and the dominant land-use zone is Conservation. The terrain is gently undulating, and the median lot measures about 68,134 m² across 333 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 North Stradbroke Island

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

Population
181
usual residents, 2021
Median age
47
years
Median household income
$1,104
per week, Redland City suburb typical $1,488
Median rent
$237
per week, Redland City suburb typical $385
Median mortgage
$2,678
per month
Household size
2.1
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 2
most disadvantagedleast disadvantaged

Score 916, and decile 3 within Queensland. The national average is 1000.

Relative disadvantage (IRSD) Decile 2
most disadvantagedleast disadvantaged

Age profile

Share of North Stradbroke Island's 181 residents in each ABS age band.

0-4 5.0%
5-14 15.0%
15-19 3.3%
20-24 1.7%
25-34 8.9%
35-44 14.4%
45-54 12.8%
55-64 20.6%
65-74 16.1%
75-84 2.2%
85+ 0.0%

Population trend, 2001 to 2025

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

2,171 in 2001 to 2,276 in 2025, up 5%.

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 North Stradbroke Island 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 →

North Stradbroke Island planning - frequently asked

Where can I see a flood map of North Stradbroke Island?

The schematic on this page is a North Stradbroke Island flood map: the mapped flood overlays drawn over the suburb's terrain and street grid, covering about 10% of the suburb. Flood lines vary block to block, so for a specific property use the free interactive map - search any North Stradbroke Island address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.

Is North Stradbroke Island flood-prone?

About 10% of North Stradbroke Island falls within a mapped flood overlay, against a Redland City average of 22%. Looking lot by lot, 24% of the 117 properties we analysed in North Stradbroke Island carry some level of mapped flood risk, including 22 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 North Stradbroke Island bushfire-prone?

Yes - around 87% of North Stradbroke Island is mapped as bushfire-prone, compared with a Redland City average of 41%. A bushfire-prone designation can trigger additional building requirements, so check the specific address.

What is the zoning in North Stradbroke Island?

The dominant planning zone in North Stradbroke Island is Conservation, though the suburb also includes Community Facilities and Recreation and Open Space. Zoning sets what you can build and do on a site, and can differ lot by lot.

Does North Stradbroke Island have heritage-listed places?

North Stradbroke Island has 5 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 North Stradbroke Island hilly or flat?

North Stradbroke Island is gently undulating: the median lot slope is about 7%, and 11% of properties sit on slopes of 15% or steeper. Ground level runs from roughly 1 m to 118 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 North Stradbroke Island?

Across 333 surveyed parcels in North Stradbroke Island, the median lot size is about 68,134 m². There are also 34 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.

What is the population of North Stradbroke Island?

At the 2021 Census North Stradbroke Island had 181 usual residents, with a median age of 47 and an average household size of 2.1 people. The wider North Stradbroke Island statistical area, which contains North Stradbroke Island, went from 2,171 people in 2001 to 2,276 in 2025, up 5%. ABS publishes no annual population series for individual suburbs, so that trend describes the surrounding area rather than North Stradbroke Island alone.

Is North Stradbroke Island an advantaged suburb?

On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), North Stradbroke Island scores 916 and sits in decile 2 of 10 nationally and decile 3 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 North Stradbroke Island?

Median household income in North Stradbroke Island was $1,104 a week at the 2021 Census, against $1,488 for the typical suburb in Redland City. Median rent was $237 a week and the median mortgage repayment $2,678 a month. These are 2021 Census figures and have not been indexed to today.

Do I need a planning report for a North Stradbroke Island property?

A North Stradbroke Island 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.

Other suburbs in Redland City

See all Redland City suburb profiles →