Property Report / Areas / Logan City / Tanah Merah

Tanah Merah flood map & planning overlays

A planning-constraint profile of Tanah Merah (Logan City, QLD) - 4.04 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.

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

Nearby suburbs, nearest first

How common is mapped flood risk across Tanah Merah properties?

Overlay percentages say how much land is constrained; these figures say how many properties are actually touched in a suburb-wide analysis of 2,129 Tanah Merah properties. No individual property result is identified on this page.

Tanah Merah flood history and overland flow

These are suburb-wide totals across 2,129 analysed properties. They show how common each mapped category is across Tanah Merah; they do not identify or describe any individual property.

Recorded historical flood mapping

2.7%

57 analysed properties intersect at least one mapped historical event extent.

  • Historic Flood 1974: 57
  • Historic Flood 2022: 43
  • Historic Flood 2017: 39

Mapped overland flow

53.5%

1,140 analysed properties carry a mapped overland-flow category.

  • Low: 1,140

Source: Logan City Council flood mapping, aggregated by LayeredGeo. Categories are only shown where at least five analysed properties share them. An address-level check is still required to determine whether a particular lot is mapped.

Tanah Merah at a glance

Parcels 1,988 Median lot 806 m² Mapped easements 284 Bus stops 10 Schools in suburb 0 Landslide overlay 29%

Schools in and near Tanah Merah

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

0

0 schools providing primary years and 0 providing secondary years. A combined school may be counted in both teaching levels.

Nearest school availability

Primary: 0.14 km from the suburb boundary

Secondary: 0.50 km from the suburb boundary

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 Tanah Merah is zoned

Low Density Residential 62%
Rural 10%
Recreation and Open Space 9%
Community Facilities 8%
Low-Medium Density Residential 6%
Specialised Centre 3%

Selling in Tanah Merah? 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 4.04 km², Tanah Merah is highly constrained by planning overlays. About 50% of the suburb sits within a mapped flood overlay, and 32% is flagged bushfire-prone. The dominant land-use zone is Low Density Residential. The terrain is gently undulating, and the median lot measures about 806 m² across 1,988 parcels.

Who lives in Tanah Merah

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

Population
4,754
usual residents, 2021
Median age
37
years
Median household income
$1,899
per week, Logan City suburb typical $1,924
Median rent
$380
per week, Logan City suburb typical $395
Median mortgage
$1,733
per month
Household size
2.8
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 5
most disadvantagedleast disadvantaged

Score 986, and decile 7 within Queensland. The national average is 1000.

Relative disadvantage (IRSD) Decile 5
most disadvantagedleast disadvantaged

Age profile

Share of Tanah Merah's 4,754 residents in each ABS age band.

0-4 6.6%
5-14 14.2%
15-19 6.2%
20-24 5.3%
25-34 13.9%
35-44 15.0%
45-54 13.9%
55-64 11.2%
65-74 8.8%
75-84 4.3%
85+ 0.6%

Population trend, 2001 to 2025

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

9,651 in 2001 to 12,700 in 2025, up 32%.

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.

Tanah Merah property market snapshot

Queensland Government publishes this as a SA2 market series for Loganholme - Tanah Merah, the wider statistical area containing Tanah Merah. It is not a valuation and is not specific to this suburb or any individual property.

House sales

$929,880

Median sale price from 186 sales over 12 months to March 2026.

Unit sales

$685,675

Median sale price from 30 sales over 12 months to March 2026.

Source: Queensland Government Statistician's Office (QGSO). View the source profile. The same SA2 figure can appear on several suburb pages within that statistical area.

Tanah Merah data sources and coverage

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

DatasetCoveragePublisher
Flood mappingMappedthe relevant council planning scheme and Queensland Government spatial data
Bushfire-prone mappingMappedthe relevant council planning scheme and Queensland Government spatial data
ZoningMappedthe relevant council planning scheme and Queensland Government spatial data
Heritage and environmentMapped where publishedthe relevant council planning scheme and Queensland Government spatial data
Aircraft noise contours (ANEF)Not heldthe relevant council planning scheme and Queensland Government spatial data, Defence
DemographicsAvailableAustralian Bureau of Statistics (2021 Census and SEIFA)
School availabilityAvailableQueensland Government
Market statisticsAvailable at SA2 levelQueensland Government Statistician's Office (QGSO)

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 Tanah Merah 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 Tanah Merah. 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 Tanah Merah lot.

See what's in the $9 report →

Tanah Merah planning - frequently asked

Is Tanah Merah flood-prone?

About 50% of Tanah Merah falls within a mapped flood overlay, against the council-wide suburb average of 48%. Across the suburb, 40% of the 2,129 properties we analysed carry some level of mapped flood risk, including 74 rated high risk or historically affected.

Is Tanah Merah bushfire-prone?

Around 32% of Tanah Merah is mapped as bushfire-prone, compared with a Logan City average of 54%.

What is the zoning in Tanah Merah?

The dominant planning zone in Tanah Merah is Low Density Residential, though the suburb also includes Rural and Recreation and Open Space.

Does Tanah Merah have heritage-listed places?

No heritage-listed places are on record within Tanah Merah.

Is Tanah Merah hilly or flat?

Tanah Merah is gently undulating: the median ground slope is about 7%, and 18% of measured points sit on grades of 15% or steeper. Ground level runs from roughly 11 m to 73 m AHD across the suburb.

What is the typical lot size in Tanah Merah?

Across 1,988 surveyed parcels in Tanah Merah, the median lot size is about 806 m². There are also 284 registered easements mapped in the suburb.

Does Tanah Merah have a train station?

There is no train station inside Tanah Merah itself. The suburb is served by 10 bus stops.

What is the population of Tanah Merah?

At the 2021 Census Tanah Merah had 4,754 usual residents, with a median age of 37 and an average household size of 2.8 people. The wider Loganholme - Tanah Merah statistical area, which contains Tanah Merah, went from 9,651 people in 2001 to 12,700 in 2025, up 32%.

Is Tanah Merah an advantaged suburb?

On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Tanah Merah scores 986 and sits in decile 5 of 10 nationally and decile 7 within Queensland (decile 1 is the most disadvantaged tenth, decile 10 the least).

What is the median household income in Tanah Merah?

Median household income in Tanah Merah was $1,899 a week at the 2021 Census, against $1,924 for the typical suburb in Logan City. Median rent was $380 a week and the median mortgage repayment $1,733 a month.

Compare nearby suburbs

Nearby suburbDistanceFlood mappedBushfire-prone
Bethania 2.2 km 88% 13%
Shailer Park 2.3 km 27% 27%
Loganholme 2.6 km 87% 34%
Meadowbrook 2.6 km 97% 29%
Loganlea 3.5 km 80% 13%
Edens Landing 3.6 km 39% 21%
Cornubia 4.3 km 40% 77%
Holmview 4.6 km 32% 70%
Waterford West 4.7 km 87% 30%
Daisy Hill 4.8 km 29% 59%

See all Logan City suburb profiles →