Louth flood map & planning overlays

A planning-constraint profile of Louth (Bourke, NSW) - 6536.21 km², mapped from live council and state overlay data. This suburb is highly constrained.
Profile updated 26 September 2026.

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

Nearby suburbs, nearest first

Louth at a glance

Parcels 367 Median lot 41,290 m² Mapped easements 2

How Louth is zoned

Primary Production 96%
National Parks and Nature Reserves 3%
Natural Waterways 0%
Village 0%

Buying in Louth? The zoning, flood and bushfire lines on the section 10.7 certificate attached to the contract are mapped controls - see our s10.7 certificate guide.

Across its 6536.21 km², Louth is highly constrained by planning overlays. About 22% of the suburb sits within a mapped flood overlay, and 100% is flagged bushfire-prone. There are 4 heritage-listed sites on record, and the dominant land-use zone is Primary Production. The median lot measures about 41,290 m² across 367 parcels.

Who lives in Louth

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

Population
74
usual residents, 2021
Median age
51
years
Median household income
$1,562
per week, Bourke suburb typical $1,562
Median rent
$130
per week, Bourke suburb typical $170
Median mortgage
$1,000
per month
Household size
2.5
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 9
most disadvantagedleast disadvantaged

Score 1050, and decile 8 within New South Wales. The national average is 1000.

Relative disadvantage (IRSD) Decile 9
most disadvantagedleast disadvantaged

Age profile

Share of Louth's 74 residents in each ABS age band.

0-4 5.3%
5-14 15.8%
15-19 3.9%
20-24 3.9%
25-34 13.2%
35-44 5.3%
45-54 9.2%
55-64 17.1%
65-74 13.2%
75-84 13.2%
85+ 0.0%

Population trend, 2001 to 2025

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

5,597 in 2001 to 3,420 in 2025, down 39%.

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.

Louth data sources and coverage

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

DatasetCoveragePublisher
Flood mappingMappedNSW Government spatial services, NSW ePlanning and published council flood studies
Bushfire-prone mappingMappedNSW Government spatial services, NSW ePlanning and published council flood studies
ZoningMappedNSW Government spatial services, NSW ePlanning and published council flood studies
Heritage and environmentMapped where publishedNSW Government spatial services, NSW ePlanning and published council flood studies
Aircraft noise contours (ANEF)Not heldNSW Government spatial services, NSW ePlanning and published council flood studies, Defence
Observed flight pathsNot watchedadsb.lol, under the Open Database License
DemographicsAvailableAustralian Bureau of Statistics (2021 Census and SEIFA)

Profile last materially updated 26 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 Louth 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 Louth. The free check tells you whether one reaches an address; where it does, a Flood Model Report is +$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 Louth lot.

See what's in the $9 report →

Louth planning - frequently asked

Is Louth flood-prone?

About 22% of Louth falls within a mapped flood overlay, against the council-wide suburb average of 4%. Published flood models are held over parts of Louth; the free check on the Flood Model Report page says whether one reaches a given address.

Is Louth bushfire-prone?

Around 100% of Louth is mapped as bushfire-prone, compared with a Bourke average of 100%.

What is the zoning in Louth?

The dominant planning zone in Louth is Primary Production, though the suburb also includes National Parks and Nature Reserves and Natural Waterways.

Does Louth have heritage-listed places?

Louth has 4 heritage-listed places on record.

What is the typical lot size in Louth?

Across 367 surveyed parcels in Louth, the median lot size is about 41,290 m². There are also 2 registered easements mapped in the suburb.

What is the population of Louth?

At the 2021 Census Louth had 74 usual residents, with a median age of 51 and an average household size of 2.5 people. The wider Bourke - Brewarrina statistical area, which contains Louth, went from 5,597 people in 2001 to 3,420 in 2025, down 39%.

Is Louth an advantaged suburb?

On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Louth scores 1050 and sits in decile 9 of 10 nationally and decile 8 within New South Wales (decile 1 is the most disadvantaged tenth, decile 10 the least).

What is the median household income in Louth?

Median household income in Louth was $1,562 a week at the 2021 Census, against $1,562 for the typical suburb in Bourke. Median rent was $130 a week and the median mortgage repayment $1,000 a month.

Compare nearby suburbs

Nearby suburbDistanceFlood mappedBushfire-prone
Kerrigundi
Cobar
51.8 km Not mapped <1%
Gumbalie 54.9 km Not mapped 100%
Tilpa
Cobar
64.8 km 35% 44%
Gunderbooka 83.3 km Not mapped 100%
Cubba
Cobar
96.1 km Not mapped 0%
Fords Bridge 105.9 km Not mapped 100%
Noona
Cobar
109.9 km Not mapped <1%
Tindarey
Cobar
110.9 km Not mapped 38%
Bourke 111.7 km Not mapped 99%
Wanaaring
Unincorporated - Far West Area
124.7 km <1% 100%

See all Bourke suburb profiles →