Mount Barker Junction flood map & planning overlays
A planning-constraint profile of Mount Barker Junction
(Mount Barker District Council, SA) - 1.07 km², mapped from live council and
state overlay data. This suburb is highly constrained.
Profile updated 3 October 2026.
Suburb-wide figures; the free map shows which overlays touch your lot.
Constraint readout
1.07 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Mount Barker Junction'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 Mount Barker Junction
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 3 Oct 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.
Mount Barker Junction at a glance
How Mount Barker Junction is zoned
Selling in Mount Barker Junction? The zone and overlays on this page are the Planning and Design Code controls a Form 1 vendor's statement has to disclose.
Across its 1.07 km², Mount Barker Junction 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 Rural. The median lot measures about 27,810 m² across 13 parcels.
Who lives in Mount Barker Junction
Census 2021 figures published by the ABS for the Mount Barker Junction 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 1061, and decile 10 within South Australia. The national average is 1000.
Population trend, 2001 to 2025
Estimated resident population of Mount Barker, the wider ABS statistical area containing Mount Barker Junction. There is no annual population series published at suburb level, so this describes the surrounding area rather than Mount Barker Junction itself.
10,820 in 2001 to 26,939 in 2025, up 149%.
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.
Mount Barker Junction 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 | the South Australian Planning and Design Code and Location SA spatial data |
| Bushfire-prone mapping | Mapped | the South Australian Planning and Design Code and Location SA spatial data |
| Zoning | Mapped | the South Australian Planning and Design Code and Location SA spatial data |
| Heritage and environment | Mapped where published | the South Australian Planning and Design Code and Location SA spatial data |
| Aircraft noise contours (ANEF) | Not held | the South Australian Planning and Design Code and Location SA spatial data, 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 3 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 Mount Barker Junction 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.
Aircraft have been seen below 3,000 ft over about 14% of Mount Barker Junction. 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 an indicative AS 2870 site class for a Mount Barker Junction lot.
See what's in the $9 report →Mount Barker Junction planning - frequently asked
Is Mount Barker Junction flood-prone?
Flood mapping covers Mount Barker Junction and none of the suburb falls within a mapped flood overlay (the council-wide suburb average is 0%).
Is Mount Barker Junction bushfire-prone?
Around 100% of Mount Barker Junction is mapped as bushfire-prone, compared with a Mount Barker District Council average of 100%.
Is Mount Barker Junction under a flight path?
Aircraft were observed below 3,000 ft over about 14% of Mount Barker Junction, and over about 67% at any altitude up to 10,000 ft, in the period sampled (4 Sep 2026 to 3 Oct 2026). The lowest measured aircraft was at 2,000 ft, with an average of 5,500 ft. 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 Mount Barker Junction?
The dominant planning zone in Mount Barker Junction is Rural, though the suburb also includes Rural Living and Productive Rural Landscape.
Does Mount Barker Junction have heritage-listed places?
No heritage-listed places are on record within Mount Barker Junction.
What is the typical lot size in Mount Barker Junction?
Across 13 surveyed parcels in Mount Barker Junction, the median lot size is about 27,810 m².
Is Mount Barker Junction an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Mount Barker Junction scores 1061 and sits in decile 9 of 10 nationally and decile 10 within South Australia (decile 1 is the most disadvantaged tenth, decile 10 the least).
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Littlehampton | 1.5 km | 0% | 100% |
| Blakiston | 2.4 km | 0% | 100% |
| Totness | 3.2 km | 0% | 100% |
| Hay Valley | 3.5 km | 0% | 100% |
| Nairne | 4.2 km | 0% | 100% |
| Hahndorf | 5.4 km | 3% | 100% |
| Oakbank Adelaide Hills Council |
5.5 km | 2% | 100% |
| Paechtown | 5.5 km | 0% | 100% |
| Balhannah Adelaide Hills Council |
6.2 km | 3% | 100% |
| Mount Barker | 6.3 km | 6% | 100% |