Southport flood map & planning overlays
A planning-constraint profile of Southport
(Huon Valley, TAS) - 34.54 km², mapped from live council and
state overlay data. This suburb is highly constrained.
Profile updated 6 September 2026.
Suburb-wide figures; the free map shows which overlays touch your lot.
Constraint readout
34.54 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
Southport at a glance
How Southport is zoned
Buying in Southport? The zone and code overlays on this page are the Tasmanian Planning Scheme controls a section 337 certificate reports for a title.
Across its 34.54 km², Southport is highly constrained by planning overlays. About 5% of the suburb sits within a mapped flood overlay, and 100% is flagged bushfire-prone. There are 5 heritage-listed sites on record, and the dominant land-use zone is Rural. The median lot measures about 2,426 m² across 417 parcels.
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 870, and decile 2 within Tasmania. The national average is 1000.
Age profile
Share of Southport's 149 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Geeveston - Dover, 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.
3,466 in 2001 to 4,408 in 2025, up 27%.
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 Tasmanian Planning Scheme and the LIST (Land Tasmania) |
| Bushfire-prone mapping | Mapped | the Tasmanian Planning Scheme and the LIST (Land Tasmania) |
| Zoning | Mapped | the Tasmanian Planning Scheme and the LIST (Land Tasmania) |
| Heritage and environment | Mapped where published | the Tasmanian Planning Scheme and the LIST (Land Tasmania) |
| Aircraft noise contours (ANEF) | Not held | the Tasmanian Planning Scheme and the LIST (Land Tasmania), Defence |
| Observed flight paths | Watched, not yet sampled here | adsb.lol, under the Open Database License |
| Demographics | Available | Australian Bureau of Statistics (2021 Census and SEIFA) |
Profile last materially updated 6 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 here: a Flood Model Report is available for about 300 Southport addresses (+$9 with the planning report).
See what's in the $9 report →Southport planning - frequently asked
Is Southport flood-prone?
About 5% of Southport falls within a mapped flood overlay, against the council-wide suburb average of 8%. Modelled flood depth, velocity and flood level are held for about 300 Southport addresses, from published flood studies; the free check on the Flood Model Report page says whether a model reaches a given address.
Is Southport bushfire-prone?
Around 100% of Southport is mapped as bushfire-prone, compared with a Huon Valley average of 99%.
What is the zoning in Southport?
The dominant planning zone in Southport is Rural, though the suburb also includes Landscape Conservation and Rural Living.
Does Southport have heritage-listed places?
Southport has 5 heritage-listed places on record.
What is the typical lot size in Southport?
Across 417 surveyed parcels in Southport, the median lot size is about 2,426 m².
What is the population of Southport?
At the 2021 Census Southport had 149 usual residents, with a median age of 59 and an average household size of 1.8 people. The wider Geeveston - Dover statistical area, which contains Southport, went from 3,466 people in 2001 to 4,408 in 2025, up 27%.
Is Southport an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Southport scores 870 and sits in decile 1 of 10 nationally and decile 2 within Tasmania (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 $756 a week at the 2021 Census, against $1,206 for the typical suburb in Huon Valley. Median rent was $235 a week and the median mortgage repayment $800 a month.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Strathblane | 6.4 km | 9% | 100% |
| Ida Bay | 7.3 km | 24% | 100% |
| Hastings | 8.0 km | 12% | 99% |
| Southport Lagoon | 9.8 km | 27% | 98% |
| Lune River | 11.2 km | 12% | 100% |
| Dover | 13.3 km | 6% | 99% |
| Surveyors Bay | 16.4 km | 5% | 100% |
| Recherche | 16.4 km | 10% | 100% |
| Raminea | 16.5 km | 7% | 100% |
| Police Point | 18.4 km | 4% | 100% |