Wirrinya flood map & planning overlays
A planning-constraint profile of Wirrinya
(Forbes, NSW) - 527.79 km², mapped from live council and
state overlay data. This suburb is moderately constrained.
Profile updated 26 September 2026.
Suburb-wide figures; the free map shows which overlays touch your lot.
Constraint readout
527.79 km² - this suburb is moderately constrained by planning overlays.
Elevation hillshade with street names, clipped to Wirrinya's boundary, with the flood, bushfire and environmental overlays drawn on top.
Nearby suburbs, nearest first
Wirrinya at a glance
How Wirrinya is zoned
Buying in Wirrinya? 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 527.79 km², Wirrinya is moderately constrained by planning overlays. Flood mapping covers the suburb and none of it falls within a mapped flood overlay, and 31% is flagged bushfire-prone. There are 7 heritage-listed sites on record, and the dominant land-use zone is Primary Production. The median lot measures about 625,237 m² across 457 parcels.
Who lives in Wirrinya
Census 2021 figures published by the ABS for the Wirrinya 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 1032, and decile 7 within New South Wales. The national average is 1000.
Age profile
Share of Wirrinya's 92 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Forbes, the wider ABS statistical area containing Wirrinya. There is no annual population series published at suburb level, so this describes the surrounding area rather than Wirrinya itself.
10,785 in 2001 to 10,019 in 2025, down 7%.
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.
Wirrinya 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 | NSW Government spatial services, NSW ePlanning and published council flood studies |
| Bushfire-prone mapping | Mapped | NSW Government spatial services, NSW ePlanning and published council flood studies |
| Zoning | Mapped | NSW Government spatial services, NSW ePlanning and published council flood studies |
| Heritage and environment | Mapped where published | NSW Government spatial services, NSW ePlanning and published council flood studies |
| Aircraft noise contours (ANEF) | Not held | NSW Government spatial services, NSW ePlanning and published council flood studies, 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 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 Wirrinya 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.
Building or pricing a slab? The $119 geotechnical desktop report covers geology, soils, bores and an indicative AS 2870 site class for a Wirrinya lot.
See what's in the $9 report →Wirrinya planning - frequently asked
Is Wirrinya flood-prone?
Flood mapping covers Wirrinya and none of the suburb falls within a mapped flood overlay (the council-wide suburb average is 0%).
Is Wirrinya bushfire-prone?
Around 31% of Wirrinya is mapped as bushfire-prone, compared with a Forbes average of 16%.
What is the zoning in Wirrinya?
The dominant planning zone in Wirrinya is Primary Production, though the suburb also includes Forestry and Infrastructure.
Does Wirrinya have heritage-listed places?
Wirrinya has 7 heritage-listed places on record.
What is the typical lot size in Wirrinya?
Across 457 surveyed parcels in Wirrinya, the median lot size is about 625,237 m². There are also 4 registered easements mapped in the suburb.
Does Wirrinya have a train station?
There is no train station inside Wirrinya itself. The suburb is served by 53 bus stops.
What is the population of Wirrinya?
At the 2021 Census Wirrinya had 92 usual residents, with a median age of 33 and an average household size of 3.0 people. The wider Forbes statistical area, which contains Wirrinya, went from 10,785 people in 2001 to 10,019 in 2025, down 7%.
Is Wirrinya an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Wirrinya scores 1032 and sits in decile 8 of 10 nationally and decile 7 within New South Wales (decile 1 is the most disadvantaged tenth, decile 10 the least).
What is the median household income in Wirrinya?
Median household income in Wirrinya was $1,625 a week at the 2021 Census, against $1,343 for the typical suburb in Forbes. Median rent was $150 a week and the median mortgage repayment $1,733 a month.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Pullabooka Weddin |
16.8 km | 0% | 100% |
| Corinella | 17.4 km | 0% | 11% |
| Jemalong | 18.3 km | 0% | 10% |
| Garema | 18.5 km | 0% | 1% |
| Caragabal Weddin |
24.1 km | 0% | 100% |
| Pinnacle Weddin |
25.2 km | 0% | 100% |
| Ooma | 32.5 km | 0% | <1% |
| Lake Cowal Bland |
32.6 km | 0% | 76% |
| Bedgerabong | 33.1 km | 0% | 6% |
| Piney Range Weddin |
34.8 km | Not mapped | 100% |