Mount Vernon flood map & planning overlays
A planning-constraint profile of Mount Vernon (Penrith, NSW) - 6.56 km², mapped from live council and state overlay data. This suburb is moderately constrained.
Everything below is suburb-wide. Overlays change block to block - see which ones actually touch your lot. The map is free.
Constraint readout
6.56 km² - this suburb is moderately constrained by planning overlays.
Elevation hillshade with street names, clipped to Mount Vernon's boundary, with the flood, bushfire and environmental overlays drawn on top. It shows where constraints fall; the interactive map shows them on your exact address.
Mount Vernon at a glance
How Mount Vernon is zoned
Buying in Mount Vernon? 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 6.56 km², Mount Vernon is moderately constrained by planning overlays. About 2% of the suburb sits within a mapped flood overlay, and 34% is flagged bushfire-prone. There is 1 heritage-listed site on record, and the dominant land-use zone is Environmental Living. The median lot measures about 10,171 m² across 353 parcels. These figures are suburb-wide - the overlays that actually apply to a given lot can differ block to block, which is what a property-level check tells you.
Who lives in Mount Vernon
Census 2021 figures published by the ABS for the Mount Vernon 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 1079, and decile 9 within New South Wales. The national average is 1000.
Age profile
Share of Mount Vernon's 1,235 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Horsley Park - Kemps Creek, the wider ABS statistical area containing Mount Vernon. There is no annual population series published at suburb level, so this describes the surrounding area rather than Mount Vernon itself.
3,919 in 2001 to 4,146 in 2025, up 6%.
Source: Australian Bureau of Statistics. Census of Population and Housing 2021 (General Community Profile) and SEIFA 2021, both published at the Suburbs and Localities level; Regional Population (estimated resident population) at Statistical Area Level 2. Used under CC BY 4.0. Census counts of small populations are randomly adjusted by the ABS to protect confidentiality, so figures for small suburbs are indicative.
Mount Vernon data sources and coverage
Every figure below is an aggregate for the suburb boundary. “Not mapped” means LayeredGeo does not hold a source layer covering this suburb; it is never an all-clear for a particular property.
| 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 |
| Demographics | Available | Australian Bureau of Statistics (2021 Census and SEIFA) |
Profile last materially updated 5 August 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 Mount Vernon 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.
See what's in the $9 report →Mount Vernon planning - frequently asked
Where can I see a flood map of Mount Vernon?
The schematic on this page is a Mount Vernon flood map: the mapped flood overlays drawn over the suburb's terrain and street grid, covering about 2% of the suburb. Flood lines vary block to block, so for a specific property use the free interactive map - search any Mount Vernon address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is Mount Vernon flood-prone?
About 2% of Mount Vernon falls within a mapped flood overlay, against the council-wide suburb average of 0%. Flood overlays vary block to block, so whether a particular lot is affected needs a property-level check.
Is Mount Vernon bushfire-prone?
Yes - around 34% of Mount Vernon is mapped as bushfire-prone, compared with a Penrith average of 42%. A bushfire-prone designation can trigger additional building requirements, so check the specific address.
What is the zoning in Mount Vernon?
The dominant planning zone in Mount Vernon is Environmental Living, though the suburb also includes General Industrial and Private Recreation. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Mount Vernon have heritage-listed places?
Mount Vernon has 1 heritage-listed place on record. Heritage listing affects what you can alter or demolish, so confirm whether a specific property is listed or near a heritage place.
What is the typical lot size in Mount Vernon?
Across 353 surveyed parcels in Mount Vernon, the median lot size is about 10,171 m². There are also 7 registered easements mapped in the suburb - an easement can restrict where you can build, so always check the title and overlays for the specific lot.
Does Mount Vernon have a train station?
There is no train station inside Mount Vernon itself. The suburb is served by 22 bus stops.
What is the population of Mount Vernon?
At the 2021 Census Mount Vernon had 1,235 usual residents, with a median age of 40 and an average household size of 3.8 people. The wider Horsley Park - Kemps Creek statistical area, which contains Mount Vernon, went from 3,919 people in 2001 to 4,146 in 2025, up 6%. ABS publishes no annual population series for individual suburbs, so that trend describes the surrounding area rather than Mount Vernon alone.
Is Mount Vernon an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Mount Vernon scores 1079 and sits in decile 10 of 10 nationally and decile 9 within New South Wales - decile 1 being the most disadvantaged tenth of Australian suburbs and decile 10 the least. The national average score is 1000. SEIFA summarises income, education, occupation and housing across the whole suburb, so it describes the area, not any particular household in it.
What is the median household income in Mount Vernon?
Median household income in Mount Vernon was $3,177 a week at the 2021 Census, against $2,067 for the typical suburb in Penrith. Median rent was $495 a week and the median mortgage repayment $3,000 a month. These are 2021 Census figures and have not been indexed to today.
Do I need a planning report for a Mount Vernon property?
A Mount Vernon planning report pulls every overlay - zoning, flood, bushfire, heritage and environmental - that touches a single lot, on live council and state data. The interactive map preview is free; a full PDF report is $9.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Cecil Park Liverpool |
2.4 km | 9% | 75% |
| Kemps Creek | 2.5 km | 12% | 56% |
| Horsley Park Fairfield |
4.0 km | 0% | 48% |
| Cecil Hills Liverpool |
4.2 km | 0% | 64% |
| Abbotsbury Fairfield |
4.8 km | 0% | 70% |
| Elizabeth Hills Liverpool |
5.7 km | 0% | 42% |
| Erskine Park | 5.8 km | 0% | 22% |
| Badgerys Creek Liverpool |
6.4 km | 14% | 63% |
| Edensor Park Fairfield |
6.5 km | 0% | 1% |
| Bonnyrigg Heights Fairfield |
6.5 km | 0% | 1% |