St Fillans flood map & planning overlays
A planning-constraint profile of St Fillans
(Mid-Western Regional, NSW) - 20.66 km², mapped from live council and
state overlay data. This suburb is highly constrained.
Profile updated 26 September 2026.
Suburb-wide figures; the free map shows which overlays touch your lot.
Constraint readout
20.66 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to St Fillans's boundary, with the flood, bushfire and environmental overlays drawn on top.
Nearby suburbs, nearest first
Aircraft noise and flight paths over St Fillans
Two different things, kept apart on purpose. The ANEF contour is the planning instrument - a forecast published per airport that planning schemes use to control noise-sensitive development. Observed overflight is what a sampled aircraft-tracking feed actually recorded over the suburb - where aircraft flew, how low and how often.
Observed overflight - sampled 4 Sep to 26 Sep 2026
Night movements: not established - night is sampled as often as day, but too few night flights have been seen here to conclude either way.
Traffic is sampled rather than watched continuously, so every figure is a floor: aircraft not captured between samples are not represented. Rates are per 500 m square - the busiest square in the suburb, not a count of flights over the suburb - and a square is only rated where enough traffic was seen to measure it. Altitudes are above mean sea level. Flight paths change with runway use, weather, season and airspace design. This is a record of observed traffic; it is not a noise contour and not a planning control.
St Fillans at a glance
How St Fillans is zoned
Buying in St Fillans? 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 20.66 km², St Fillans is highly constrained by planning overlays. Flood mapping covers the suburb and none of it falls within a mapped flood overlay, and 100% is flagged bushfire-prone. The dominant land-use zone is Large Lot Residential. The median lot measures about 103,553 m² across 130 parcels.
Who lives in St Fillans
Census 2021 figures published by the ABS for the St Fillans 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 980, and decile 5 within New South Wales. The national average is 1000.
Age profile
Share of St Fillans's 259 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Mudgee Surrounds - West, the wider ABS statistical area containing St Fillans. There is no annual population series published at suburb level, so this describes the surrounding area rather than St Fillans itself.
9,827 in 2001 to 11,482 in 2025, up 17%.
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.
St Fillans 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 | Observed | 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 St Fillans 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 St Fillans lot.
See what's in the $9 report →St Fillans planning - frequently asked
Is St Fillans flood-prone?
Flood mapping covers St Fillans and none of the suburb falls within a mapped flood overlay (the council-wide suburb average is 2%).
Is St Fillans bushfire-prone?
Around 100% of St Fillans is mapped as bushfire-prone, compared with a Mid-Western Regional average of 98%.
Is St Fillans under a flight path?
No aircraft were observed over St Fillans in the period sampled (4 Sep 2026 to 26 Sep 2026). Sampling is intermittent, so that is a floor rather than proof that none fly over. Traffic is sampled rather than watched continuously and flight paths change with runway use, weather and season; the ANEF contour is the planning instrument.
What is the zoning in St Fillans?
The dominant planning zone in St Fillans is Large Lot Residential, though the suburb also includes Primary Production.
Does St Fillans have heritage-listed places?
No heritage-listed places are on record within St Fillans.
What is the typical lot size in St Fillans?
Across 130 surveyed parcels in St Fillans, the median lot size is about 103,553 m². There are also 2 registered easements mapped in the suburb.
What is the population of St Fillans?
At the 2021 Census St Fillans had 259 usual residents, with a median age of 43 and an average household size of 2.7 people. The wider Mudgee Surrounds - West statistical area, which contains St Fillans, went from 9,827 people in 2001 to 11,482 in 2025, up 17%.
Is St Fillans an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), St Fillans scores 980 and sits in decile 5 of 10 nationally and decile 5 within New South Wales (decile 1 is the most disadvantaged tenth, decile 10 the least).
What is the median household income in St Fillans?
Median household income in St Fillans was $1,775 a week at the 2021 Census, against $1,625 for the typical suburb in Mid-Western Regional. Median rent was $330 a week and the median mortgage repayment $1,800 a month.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Home Rule | 4.0 km | 0% | 100% |
| Frog Rock | 4.1 km | 0% | 100% |
| Eurunderee | 6.0 km | 2% | 86% |
| Budgee Budgee | 6.4 km | 0% | 98% |
| Wilbetree | 6.6 km | 0% | 94% |
| Canadian Lead | 7.4 km | 0% | 100% |
| Linburn | 7.5 km | 0% | 100% |
| Cross Roads | 8.2 km | 0% | 100% |
| Stony Creek | 9.3 km | 0% | 100% |
| Yarrawonga | 10.5 km | 0% | 100% |