Trowutta flood map & planning overlays

A planning-constraint profile of Trowutta (Circular Head, TAS) - 124.25 km², mapped from live council and state overlay data. This suburb is highly constrained.
Profile updated 10 September 2026.

Elevation hillshade with street names, clipped to Trowutta's boundary, with the flood, bushfire and environmental overlays drawn on top.

Nearby suburbs, nearest first

Trowutta at a glance

Parcels 213 Median lot 211,923 m²

How Trowutta is zoned

Rural 75%
Agriculture 13%
Environmental Management 12%
Landscape Conservation 0%

Buying in Trowutta? The zone and code overlays on this page are the Tasmanian Planning Scheme controls a section 337 certificate reports for a title.

Across its 124.25 km², Trowutta is highly constrained by planning overlays. About 7% of the suburb sits within a mapped flood overlay, and 100% is flagged bushfire-prone. The dominant land-use zone is Rural. The median lot measures about 211,923 m² across 213 parcels.

Who lives in Trowutta

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

Population
88
usual residents, 2021
Median age
51
years
Median household income
$1,325
per week, Circular Head suburb typical $1,338
Median rent
$240
per week, Circular Head suburb typical $216
Median mortgage
$694
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 2
most disadvantagedleast disadvantaged

Score 894, and decile 3 within Tasmania. The national average is 1000.

Relative disadvantage (IRSD) Decile 2
most disadvantagedleast disadvantaged

Age profile

Share of Trowutta's 88 residents in each ABS age band.

0-4 0.0%
5-14 10.2%
15-19 9.1%
20-24 3.4%
25-34 4.5%
35-44 9.1%
45-54 29.5%
55-64 23.9%
65-74 10.2%
75-84 0.0%
85+ 0.0%

Population trend, 2001 to 2025

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

4,238 in 2001 to 4,400 in 2025, up 4%.

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.

Trowutta data sources and coverage

“Not mapped” means we hold no source layer for this suburb - never an all-clear.

DatasetCoveragePublisher
Flood mappingMappedthe Tasmanian Planning Scheme and the LIST (Land Tasmania)
Bushfire-prone mappingMappedthe Tasmanian Planning Scheme and the LIST (Land Tasmania)
ZoningMappedthe Tasmanian Planning Scheme and the LIST (Land Tasmania)
Heritage and environmentMapped where publishedthe Tasmanian Planning Scheme and the LIST (Land Tasmania)
Aircraft noise contours (ANEF)Not heldthe Tasmanian Planning Scheme and the LIST (Land Tasmania), Defence
Observed flight pathsWatched, not yet sampled hereadsb.lol, under the Open Database License
DemographicsAvailableAustralian Bureau of Statistics (2021 Census and SEIFA)

Profile last materially updated 10 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 Trowutta 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 50 Trowutta addresses (+$9 with the planning report).

See what's in the $9 report →

Trowutta planning - frequently asked

Is Trowutta flood-prone?

About 7% of Trowutta falls within a mapped flood overlay, against the council-wide suburb average of 14%. Modelled flood depth, velocity and flood level are held for about 50 Trowutta addresses, from published flood studies; the free check on the Flood Model Report page says whether a model reaches a given address.

Is Trowutta bushfire-prone?

Around 100% of Trowutta is mapped as bushfire-prone, compared with a Circular Head average of 99%.

What is the zoning in Trowutta?

The dominant planning zone in Trowutta is Rural, though the suburb also includes Agriculture and Environmental Management.

Does Trowutta have heritage-listed places?

No heritage-listed places are on record within Trowutta.

What is the typical lot size in Trowutta?

Across 213 surveyed parcels in Trowutta, the median lot size is about 211,923 m².

What is the population of Trowutta?

At the 2021 Census Trowutta had 88 usual residents, with a median age of 51 and an average household size of 2.3 people. The wider North West statistical area, which contains Trowutta, went from 4,238 people in 2001 to 4,400 in 2025, up 4%.

Is Trowutta an advantaged suburb?

On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Trowutta scores 894 and sits in decile 2 of 10 nationally and decile 3 within Tasmania (decile 1 is the most disadvantaged tenth, decile 10 the least).

What is the median household income in Trowutta?

Median household income in Trowutta was $1,325 a week at the 2021 Census, against $1,338 for the typical suburb in Circular Head. Median rent was $240 a week and the median mortgage repayment $694 a month.

Compare nearby suburbs

Nearby suburbDistanceFlood mappedBushfire-prone
Nabageena 7.3 km 7% 100%
Roger River 9.6 km 21% 100%
Lileah 11.5 km 7% 100%
Edith Creek 12.4 km 15% 100%
Christmas Hills 14.9 km 8% 100%
Alcomie 15.5 km 5% 100%
Irishtown 16.0 km 7% 100%
Scotchtown 17.7 km 15% 100%
Brittons Swamp 18.8 km 8% 100%
Mengha 19.3 km 6% 100%

See all Circular Head suburb profiles →