Southport flood map & planning overlays
A planning-constraint profile of Southport
(Gold Coast City, QLD) - 15.62 km², mapped from live council and
state overlay data. This suburb is highly constrained.
Profile updated 19 September 2026.
Suburb-wide figures; the free map shows which overlays touch your lot.
Constraint readout
15.62 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Southport's boundary, with the flood, bushfire and environmental overlays drawn on top.
Nearby suburbs, nearest first
How common is mapped flood risk across Southport properties?
Overlay percentages say how much land is constrained; these figures say how many properties are actually touched in a suburb-wide analysis of 20,383 Southport properties. No individual property result is identified on this page.
Lot-level readout
Flood-risk rating across all 20,383 properties
From LayeredGeo's lot-risk engine: council flood overlays, historical flooding and terrain, resolved to each individual lot in Southport.
Southport at a glance
Schools in and near Southport
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
6 schools providing primary years and 13 providing secondary years. A combined school may be counted in both teaching levels.
Nearest school availability
Primary: inside the suburb
Secondary: inside the suburb
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 Southport is zoned
Selling in Southport? 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 15.62 km², Southport is highly constrained by planning overlays. About 28% of the suburb sits within a mapped flood overlay, and 25% is flagged bushfire-prone. There are 10 heritage-listed sites on record, and the dominant land-use zone is Low density residential. The terrain is gently undulating, and the median lot measures about 609 m² across 20,280 parcels.
Recent development applications in Southport
Applications are counted across the whole gazetted suburb from the public City of Gold Coast register. No application address or individual property is published here.
Submitted in the past 12 months
Latest included submission: 16 September 2026.
Previous 12 months: 160 (37% higher in the latest period).
Common application types
- Material change of use: 34
Counts depend on applications that the council publishes and that can be assigned to a suburb. Categories can overlap when one application covers several types. Totals below five and their latest dates are suppressed. Register last synchronised 19 September 2026. Check the official council register.
Who lives in Southport
Census 2021 figures published by the ABS for the Southport 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 968, and decile 6 within Queensland. The national average is 1000.
Age profile
Share of Southport's 36,786 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Southport - North, the wider ABS statistical area containing Southport. There is no annual population series published at suburb level, so this describes the surrounding area rather than Southport itself.
8,681 in 2001 to 20,260 in 2025, up 133%.
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.
Southport data sources and coverage
“Not mapped” means we hold no source layer for this suburb - never an all-clear.
| Dataset | Coverage | Publisher |
|---|---|---|
| Flood mapping | Mapped | the relevant council planning scheme and Queensland Government spatial data |
| Bushfire-prone mapping | Mapped | the relevant council planning scheme and Queensland Government spatial data |
| Zoning | Mapped | the relevant council planning scheme and Queensland Government spatial data |
| Heritage and environment | Mapped where published | the relevant council planning scheme and Queensland Government spatial data |
| Aircraft noise contours (ANEF) | Not held | the relevant council planning scheme and Queensland Government spatial data, Defence |
| Demographics | Available | Australian Bureau of Statistics (2021 Census and SEIFA) |
| School availability | Available | Queensland Government |
| Development applications | Available as suburb totals | City of Gold Coast |
Profile last materially updated 19 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 Southport 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.
Published flood models are held over parts of Southport. The free check tells you whether one reaches an address; where it does, a Flood Model Report is +$9 with the planning report.
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 Southport lot.
See what's in the $9 report →Southport planning - frequently asked
Is Southport flood-prone?
About 28% of Southport falls within a mapped flood overlay, against the council-wide suburb average of 38%. Across the suburb, 35% of the 20,383 properties we analysed carry some level of mapped flood risk, including 5187 rated high risk or historically affected.
Is Southport bushfire-prone?
Around 25% of Southport is mapped as bushfire-prone, compared with a Gold Coast City average of 50%.
What is the zoning in Southport?
The dominant planning zone in Southport is Low density residential, though the suburb also includes Special purpose and Medium density residential.
Does Southport have heritage-listed places?
Southport has 10 heritage-listed places on record.
Is Southport hilly or flat?
Southport is gently undulating: the median ground slope is about 5%. Ground level runs from roughly 2 m to 25 m AHD across the suburb.
What is the typical lot size in Southport?
Across 20,280 surveyed parcels in Southport, the median lot size is about 609 m². There are also 1,521 registered easements mapped in the suburb.
Does Southport have a train station?
There is no train station inside Southport itself. The suburb is served by 114 bus stops.
What is the population of Southport?
At the 2021 Census Southport had 36,786 usual residents, with a median age of 37 and an average household size of 2.1 people. The wider Southport - North statistical area, which contains Southport, went from 8,681 people in 2001 to 20,260 in 2025, up 133%.
Is Southport an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Southport scores 968 and sits in decile 4 of 10 nationally and decile 6 within Queensland (decile 1 is the most disadvantaged tenth, decile 10 the least).
What is the median household income in Southport?
Median household income in Southport was $1,268 a week at the 2021 Census, against $1,830 for the typical suburb in Gold Coast City. Median rent was $410 a week and the median mortgage repayment $1,647 a month.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Main Beach | 2.9 km | 71% | 0% |
| Ashmore | 3.2 km | 11% | 12% |
| Labrador | 3.3 km | 50% | 9% |
| Surfers Paradise | 3.4 km | 80% | 1% |
| Molendinar | 3.8 km | 5% | 40% |
| Parkwood | 4.1 km | 18% | 46% |
| Benowa | 4.2 km | 57% | 6% |
| Bundall | 4.2 km | 92% | 4% |
| Biggera Waters | 5.0 km | 66% | <1% |
| Arundel | 5.3 km | 27% | 56% |