Dean Park flood map & planning overlays
A planning-constraint profile of Dean Park (Blacktown, NSW) - 1.48 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
1.48 km² - this suburb is moderately constrained by planning overlays.
Elevation hillshade with street names, clipped to Dean Park'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.
Dean Park at a glance
How Dean Park is zoned
Buying in Dean Park? 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 1.48 km², Dean Park is moderately constrained by planning overlays. Flood mapping covers the suburb and none of it falls within a mapped flood overlay, and 29% is flagged bushfire-prone. The dominant land-use zone is Low Density Residential. The median lot measures about 551 m² across 1,028 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 Dean Park
Census 2021 figures published by the ABS for the Dean Park 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 956, and decile 3 within New South Wales. The national average is 1000.
Age profile
Share of Dean Park's 3,180 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Glendenning - Dean Park, the wider ABS statistical area containing Dean Park. There is no annual population series published at suburb level, so this describes the surrounding area rather than Dean Park itself.
8,178 in 2001 to 8,317 in 2025, up 2%.
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.
Dean Park 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 Dean Park 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 →Dean Park planning - frequently asked
Where can I see a flood map of Dean Park?
The schematic on this page is a Dean Park flood map: the mapped flood overlays drawn over the suburb's terrain and street grid. Flood lines vary block to block, so for a specific property use the free interactive map - search any Dean Park address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is Dean Park flood-prone?
Flood mapping covers Dean Park and none of the suburb falls within a mapped flood overlay (the council-wide suburb average is 7%). Flood overlays vary block to block, so whether a particular lot is affected needs a property-level check.
Is Dean Park bushfire-prone?
Yes - around 29% of Dean Park is mapped as bushfire-prone, compared with a Blacktown average of 21%. A bushfire-prone designation can trigger additional building requirements, so check the specific address.
What is the zoning in Dean Park?
The dominant planning zone in Dean Park is Low Density Residential, though the suburb also includes Infrastructure and Public Recreation. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Dean Park have heritage-listed places?
No heritage-listed places are on record within Dean Park. Even so, it is worth confirming for an individual property before any works.
What is the typical lot size in Dean Park?
Across 1,028 surveyed parcels in Dean Park, the median lot size is about 551 m². There are also 1 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 Dean Park have a train station?
There is no train station inside Dean Park itself. The suburb is served by 47 bus stops.
What is the population of Dean Park?
At the 2021 Census Dean Park had 3,180 usual residents, with a median age of 35 and an average household size of 2.9 people. The wider Glendenning - Dean Park statistical area, which contains Dean Park, went from 8,178 people in 2001 to 8,317 in 2025, up 2%. ABS publishes no annual population series for individual suburbs, so that trend describes the surrounding area rather than Dean Park alone.
Is Dean Park an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Dean Park scores 956 and sits in decile 4 of 10 nationally and decile 3 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 Dean Park?
Median household income in Dean Park was $1,846 a week at the 2021 Census, against $2,117 for the typical suburb in Blacktown. Median rent was $400 a week and the median mortgage repayment $2,102 a month. These are 2021 Census figures and have not been indexed to today.
Do I need a planning report for a Dean Park property?
A Dean Park 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 |
|---|---|---|---|
| Colebee | 1.3 km | 18% | 53% |
| Glendenning | 1.4 km | 0% | 18% |
| Hassall Grove | 2.0 km | 0% | 10% |
| Nirimba Fields | 2.1 km | 56% | 30% |
| Oakhurst | 2.4 km | 0% | 2% |
| Plumpton | 2.9 km | 0% | 10% |
| Woodcroft | 2.9 km | 0% | 16% |
| Doonside | 3.0 km | 0% | 24% |
| Marayong | 3.3 km | 0% | 0% |
| Hebersham | 3.5 km | 0% | 0% |