Planning Maps / Areas / Hornsby / Mount Kuring-Gai

Mount Kuring-Gai flood map & planning overlays

A planning-constraint profile of Mount Kuring-Gai (Hornsby, NSW) - 10.85 km², mapped from live council and state overlay data. This suburb is highly constrained.

Elevation hillshade with street names, clipped to Mount Kuring-Gai'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 Kuring-Gai at a glance

Parcels 756 Median lot 927 m² Mapped easements 25 Train Mount Kuring-gai Station Bus stops 33

How Mount Kuring-Gai is zoned

National Parks and Nature Reserves 75%
General Industrial 7%
Low Density Residential 7%
Infrastructure 6%
Environmental Management 4%
Public Recreation 1%

Buying in Mount Kuring-Gai? 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 10.85 km², Mount Kuring-Gai is highly constrained by planning overlays. Flood mapping covers the suburb and none of it falls within a mapped flood overlay, and 96% is flagged bushfire-prone. There are 6 heritage-listed sites on record, and the dominant land-use zone is National Parks and Nature Reserves. The median lot measures about 927 m² across 756 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 Kuring-Gai

Census 2021 figures published by the ABS for the Mount Kuring-Gai suburb boundary itself, not a wider region.

Population
1,766
usual residents, 2021
Median age
42
years
Median household income
$2,428
per week, Hornsby suburb typical $2,468
Median rent
$568
per week, Hornsby suburb typical $515
Median mortgage
$2,648
per month
Household size
3.0
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 10
most disadvantagedleast disadvantaged

Score 1109, and decile 10 within New South Wales. The national average is 1000.

Relative disadvantage (IRSD) Decile 10
most disadvantagedleast disadvantaged

Age profile

Share of Mount Kuring-Gai's 1,766 residents in each ABS age band.

0-4 4.8%
5-14 16.2%
15-19 7.0%
20-24 5.0%
25-34 8.1%
35-44 13.6%
45-54 16.2%
55-64 13.4%
65-74 9.3%
75-84 5.2%
85+ 1.2%

Population trend, 2001 to 2025

Estimated resident population of Asquith - Mount Colah, the wider ABS statistical area containing Mount Kuring-Gai. There is no annual population series published at suburb level, so this describes the surrounding area rather than Mount Kuring-Gai itself.

18,145 in 2001 to 23,527 in 2025, up 30%.

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 Kuring-Gai 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.

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
DemographicsAvailableAustralian 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 Kuring-Gai 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 Kuring-Gai planning - frequently asked

Where can I see a flood map of Mount Kuring-Gai?

The schematic on this page is a Mount Kuring-Gai 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 Mount Kuring-Gai address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.

Is Mount Kuring-Gai flood-prone?

Flood mapping covers Mount Kuring-Gai and none of the suburb falls within a mapped flood overlay (the council-wide suburb average is 2%). Flood overlays vary block to block, so whether a particular lot is affected needs a property-level check.

Is Mount Kuring-Gai bushfire-prone?

Yes - around 96% of Mount Kuring-Gai is mapped as bushfire-prone, compared with a Hornsby average of 69%. A bushfire-prone designation can trigger additional building requirements, so check the specific address.

What is the zoning in Mount Kuring-Gai?

The dominant planning zone in Mount Kuring-Gai is National Parks and Nature Reserves, though the suburb also includes General Industrial and Low Density Residential. Zoning sets what you can build and do on a site, and can differ lot by lot.

Does Mount Kuring-Gai have heritage-listed places?

Mount Kuring-Gai has 6 heritage-listed places 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 Kuring-Gai?

Across 756 surveyed parcels in Mount Kuring-Gai, the median lot size is about 927 m². There are also 25 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 Kuring-Gai have a train station?

Yes - Mount Kuring-Gai has 1 train station: Mount Kuring-gai Station. It is also served by 33 bus stops.

What is the population of Mount Kuring-Gai?

At the 2021 Census Mount Kuring-Gai had 1,766 usual residents, with a median age of 42 and an average household size of 3.0 people. The wider Asquith - Mount Colah statistical area, which contains Mount Kuring-Gai, went from 18,145 people in 2001 to 23,527 in 2025, up 30%. ABS publishes no annual population series for individual suburbs, so that trend describes the surrounding area rather than Mount Kuring-Gai alone.

Is Mount Kuring-Gai an advantaged suburb?

On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Mount Kuring-Gai scores 1109 and sits in decile 10 of 10 nationally and decile 10 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 Kuring-Gai?

Median household income in Mount Kuring-Gai was $2,428 a week at the 2021 Census, against $2,468 for the typical suburb in Hornsby. Median rent was $568 a week and the median mortgage repayment $2,648 a month. These are 2021 Census figures and have not been indexed to today.

Do I need a planning report for a Mount Kuring-Gai property?

A Mount Kuring-Gai 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 suburbDistanceFlood mappedBushfire-prone
Berowra 2.5 km 0% 87%
Mount Colah 2.8 km 0% 86%
Hornsby Heights 3.3 km 0% 94%
Berowra Heights 4.7 km 0% 87%
Berrilee 4.7 km 0% 97%
Asquith 5.2 km 0% 52%
North Turramurra
Ku-Ring-Gai
5.7 km 0% 86%
North Wahroonga
Ku-Ring-Gai
5.9 km 0% 87%
Galston 6.4 km 0% 81%
Duffys Forest
Northern Beaches
6.5 km Not mapped 73%

See all Hornsby suburb profiles →