Gagalba flood map & planning overlays

A planning-constraint profile of Gagalba (Sunshine Coast Regional, QLD) - 5.67 km², mapped from live council and state overlay data. This suburb is moderately constrained.

Elevation hillshade with street names, clipped to Gagalba'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.

Gagalba at a glance

Parcels 4 Median lot 148,737 m²

How Gagalba is zoned

No 100%
Rural 0%

Selling in Gagalba? 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 5.67 km², Gagalba is moderately constrained by planning overlays. About 24% of the suburb sits within a mapped flood overlay, and 3% is flagged bushfire-prone. The dominant land-use zone is No. The median lot measures about 148,737 m² across 4 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 Gagalba

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

Population
343
usual residents, 2021
Median age
31
years
Median household income
$1,942
per week, Sunshine Coast Regional suburb typical $1,674
Median rent
$560
per week, Sunshine Coast Regional suburb typical $408
Median mortgage
$1,733
per month
Household size
2.3
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 8
most disadvantagedleast disadvantaged

Score 1038, and decile 9 within Queensland. The national average is 1000.

Relative disadvantage (IRSD) Decile 9
most disadvantagedleast disadvantaged

Age profile

Share of Gagalba's 343 residents in each ABS age band.

0-4 5.0%
5-14 12.1%
15-19 2.6%
20-24 13.8%
25-34 26.8%
35-44 10.9%
45-54 7.1%
55-64 11.8%
65-74 6.2%
75-84 2.6%
85+ 1.2%

Population trend, 2001 to 2025

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

1,986 in 2001 to 23,872 in 2025, up 1102%.

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 Gagalba 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 →

Gagalba planning - frequently asked

Where can I see a flood map of Gagalba?

The schematic on this page is a Gagalba flood map: the mapped flood overlays drawn over the suburb's terrain and street grid, covering about 24% of the suburb. Flood lines vary block to block, so for a specific property use the free interactive map - search any Gagalba address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.

Is Gagalba flood-prone?

About 24% of Gagalba falls within a mapped flood overlay, against a Sunshine Coast Regional average of 32%. Flood overlays vary block to block, so whether a particular lot is affected needs a property-level check.

Is Gagalba bushfire-prone?

Yes - around 3% of Gagalba is mapped as bushfire-prone, compared with a Sunshine Coast Regional average of 38%. A bushfire-prone designation can trigger additional building requirements, so check the specific address.

What is the zoning in Gagalba?

The dominant planning zone in Gagalba is No, though the suburb also includes Rural. Zoning sets what you can build and do on a site, and can differ lot by lot.

Does Gagalba have heritage-listed places?

No heritage-listed places are on record within Gagalba. Even so, it is worth confirming for an individual property before any works.

What is the typical lot size in Gagalba?

Across 4 surveyed parcels in Gagalba, the median lot size is about 148,737 m².

What is the population of Gagalba?

At the 2021 Census Gagalba had 343 usual residents, with a median age of 31 and an average household size of 2.3 people. The wider Caloundra West - Baringa statistical area, which contains Gagalba, went from 1,986 people in 2001 to 23,872 in 2025, up 1102%. ABS publishes no annual population series for individual suburbs, so that trend describes the surrounding area rather than Gagalba alone.

Is Gagalba an advantaged suburb?

On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Gagalba scores 1038 and sits in decile 8 of 10 nationally and decile 9 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 Gagalba?

Median household income in Gagalba was $1,942 a week at the 2021 Census, against $1,674 for the typical suburb in Sunshine Coast Regional. Median rent was $560 a week and the median mortgage repayment $1,733 a month. These are 2021 Census figures and have not been indexed to today.

Do I need a planning report for a Gagalba property?

A Gagalba 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 Sunshine Coast Regional

See all Sunshine Coast Regional suburb profiles →