Areas / Nillumbik / Plenty

Plenty flood map & planning overlays

Plenty households earn $3,190, the 7th-highest in Victoria.

A planning-constraint profile of Plenty (Nillumbik, VIC) - 10.96 km², mapped from live council and state overlay data. This suburb is highly constrained.
Profile updated 24 October 2026.

Elevation hillshade with street names, clipped to Plenty's boundary, with the flood, bushfire and environmental overlays drawn on top. Magenta is where aircraft were observed in the sampled period, brightest below 3,000 ft.

Nearby suburbs, nearest first

Aircraft noise and flight paths over Plenty

The ANEF contour is a published planning forecast and observed overflight is what a sampled tracking feed recorded - neither describes any individual property.

Observed overflight - sampled 4 Sep to 24 Oct 2026

Under observed aircraft
96%
of the suburb, at or below 10,000 ft
Below 3,000 ft
60%
of the suburb's area
Lowest measured
1,000 ft
averaging 4,500 ft
Busiest square
~21 a day
1 a day below 3,000 ft · ±17%
typical observed square 1 a day

Night movements: observed, lowest 2,500 ft - night is sampled as often as day, but night traffic is light, so this is a floor and no rate can be put on it.

How this is measured

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.

Plenty at a glance

Parcels 1,209 Median lot 2,498 m² Mapped easements 1,123 Bus stops 10

How Plenty is zoned

Public Conservation and Resource Zone (PCRZ) 22%
Rural Conservation Zone (RCZ4) 20%
Rural Conservation Zone (RCZ3) 20%
Low Density Residential Zone (LDRZ) 14%
Rural Conservation Zone (RCZ1) 9%
Neighbourhood Residential Zone (NRZ1) 7%

Selling in Plenty? The zoning and planning overlays on this page are the controls a Section 32 vendor statement discloses.

Across its 10.96 km², Plenty is highly constrained by planning overlays. About 2% of the suburb sits within a mapped flood overlay, and 98% is flagged bushfire-prone. There are 12 heritage-listed sites on record, and the dominant land-use zone is Public Conservation and Resource Zone (PCRZ). The median lot measures about 2,498 m² across 1,209 parcels.

Who lives in Plenty

Census 2021 figures published by the ABS for the Plenty suburb boundary itself, not a wider region.

Population
2,575
usual residents, 2021
Median age
44
years
Median household income
$3,190
per week, Nillumbik suburb typical $2,391
Median rent
$392
per week, Nillumbik suburb typical $392
Median mortgage
$2,600
per month
Household size
3.2
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 1118, and decile 10 within Victoria. The national average is 1000.

Relative disadvantage (IRSD) Decile 10
most disadvantagedleast disadvantaged

Age profile

Share of Plenty's 2,575 residents in each ABS age band.

0-4 3.0%
5-14 13.6%
15-19 8.6%
20-24 7.9%
25-34 7.0%
35-44 10.3%
45-54 18.0%
55-64 14.8%
65-74 8.1%
75-84 4.5%
85+ 4.2%

Population trend, 2001 to 2025

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

7,787 in 2001 to 9,579 in 2025, up 23%.

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.

Plenty data sources and coverage

“Not mapped” means we hold no source layer for this suburb - never an all-clear.

DatasetCoveragePublisher
Flood mappingMappedVicmap Planning and Victorian Government spatial services
Bushfire-prone mappingMappedVicmap Planning and Victorian Government spatial services
ZoningMappedVicmap Planning and Victorian Government spatial services
Heritage and environmentMapped where publishedVicmap Planning and Victorian Government spatial services
Aircraft noise contours (ANEF)Not heldVicmap Planning and Victorian Government spatial services, Defence
Observed flight pathsObservedadsb.lol, under the Open Database License
DemographicsAvailableAustralian Bureau of Statistics (2021 Census and SEIFA)

Profile last materially updated 24 October 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 Plenty 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 →

Aircraft have been seen below 3,000 ft over about 60% of Plenty. The report's Aircraft Overflight page narrows that to the address itself: how many aircraft a day, how low, and at what heights.

Building or pricing a slab? The $119 geotechnical desktop report covers geology, soils, bores and the indicative soil reactivity range to expect for a Plenty lot.

Plenty planning - frequently asked

Is Plenty flood-prone?

About 2% of Plenty falls within a mapped flood overlay, against the council-wide suburb average of 5%.

Is Plenty bushfire-prone?

Around 98% of Plenty is mapped as bushfire-prone, compared with a Nillumbik average of 94%.

Is Plenty under a flight path?

Aircraft were observed below 3,000 ft over about 60% of Plenty, and over about 96% at any altitude up to 10,000 ft, in the period sampled (4 Sep 2026 to 24 Oct 2026). The lowest measured aircraft was at 1,000 ft, with an average of 4,500 ft. At the busiest point in the suburb about 21 aircraft a day were recorded passing over one 500 m square. 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 Plenty?

The dominant planning zone in Plenty is Public Conservation and Resource Zone (PCRZ), though the suburb also includes Rural Conservation Zone (RCZ4) and Rural Conservation Zone (RCZ3).

Does Plenty have heritage-listed places?

Plenty has 12 heritage-listed places on record.

What is the typical lot size in Plenty?

Across 1,209 surveyed parcels in Plenty, the median lot size is about 2,498 m². There are also 1,123 registered easements mapped in the suburb.

Does Plenty have a train station?

There is no train station inside Plenty itself. The suburb is served by 10 bus stops.

What is the population of Plenty?

At the 2021 Census Plenty had 2,575 usual residents, with a median age of 44 and an average household size of 3.2 people. The wider Plenty - Yarrambat statistical area, which contains Plenty, went from 7,787 people in 2001 to 9,579 in 2025, up 23%.

Is Plenty an advantaged suburb?

On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Plenty scores 1118 and sits in decile 10 of 10 nationally and decile 10 within Victoria (decile 1 is the most disadvantaged tenth, decile 10 the least).

What is the median household income in Plenty?

Median household income in Plenty was $3,190 a week at the 2021 Census, against $2,391 for the typical suburb in Nillumbik. Median rent was $392 a week and the median mortgage repayment $2,600 a month.

Compare nearby suburbs

Nearby suburbDistanceFlood mappedBushfire-prone
St Helena
Banyule
2.9 km 4% 29%
Yarrambat 3.7 km 1% 100%
Diamond Creek 3.7 km 7% 82%
Greensborough
Banyule
3.8 km 8% 20%
South Morang
Whittlesea
3.9 km 5% 52%
Watsonia North
Banyule
4.0 km 5% 0%
Mill Park
Whittlesea
4.4 km 4% 16%
Eltham North 4.5 km 7% 54%
Briar Hill
Banyule
4.6 km 4% 3%
Watsonia
Banyule
5.6 km 3% 0%

See all Nillumbik suburb profiles →