Yacka flood map & planning overlays
A planning-constraint profile of Yacka
(Northern Areas Council, SA) - 180.83 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
180.83 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Yacka'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 Yacka
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: observed, lowest 5,000 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.
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.
Yacka at a glance
How Yacka is zoned
Selling in Yacka? 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 180.83 km², Yacka 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 61,231 m² across 497 parcels.
Who lives in Yacka
Census 2021 figures published by the ABS for the Yacka 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 938, and decile 3 within South Australia. The national average is 1000.
Age profile
Share of Yacka's 147 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Jamestown, the wider ABS statistical area containing Yacka. There is no annual population series published at suburb level, so this describes the surrounding area rather than Yacka itself.
4,794 in 2001 to 4,724 in 2025, down 1%.
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.
Yacka 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 Yacka 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.
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 Yacka lot.
See what's in the $9 report →Yacka planning - frequently asked
Is Yacka flood-prone?
Flood mapping covers Yacka and none of the suburb falls within a mapped flood overlay.
Is Yacka bushfire-prone?
Around 100% of Yacka is mapped as bushfire-prone, compared with a Northern Areas Council average of 100%.
Is Yacka under a flight path?
Aircraft were observed over about 9% of Yacka in the period sampled, but only above 3,000 ft - the lowest measured was 2,500 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 Yacka?
The dominant planning zone in Yacka is Rural, though the suburb also includes Community Facilities and Township.
Does Yacka have heritage-listed places?
No heritage-listed places are on record within Yacka.
What is the typical lot size in Yacka?
Across 497 surveyed parcels in Yacka, the median lot size is about 61,231 m².
Does Yacka have a train station?
There is no train station inside Yacka itself. The suburb is served by 2 bus stops.
What is the population of Yacka?
At the 2021 Census Yacka had 147 usual residents, with a median age of 56 and an average household size of 2.2 people. The wider Jamestown statistical area, which contains Yacka, went from 4,794 people in 2001 to 4,724 in 2025, down 1%.
Is Yacka an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Yacka scores 938 and sits in decile 3 of 10 nationally and decile 3 within South Australia (decile 1 is the most disadvantaged tenth, decile 10 the least).
What is the median household income in Yacka?
Median household income in Yacka was $1,050 a week at the 2021 Census, against $1,312 for the typical suburb in Northern Areas Council. Median rent was $150 a week and the median mortgage repayment $737 a month.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Broughton River Valley | 9.4 km | 0% | 100% |
| Euromina | 10.8 km | 0% | 100% |
| Gulnare | 11.4 km | 0% | 100% |
| Marola Wakefield Regional Council |
12.5 km | 0% | 100% |
| Koolunga Port Pirie Regional Council |
13.4 km | 0% | 100% |
| Rochester Wakefield Regional Council |
14.7 km | 0% | 100% |
| Brinkworth Wakefield Regional Council |
15.2 km | 0% | 100% |
| Andrews | 15.8 km | 0% | 100% |
| Anama Clare and Gilbert Valleys Council |
16.0 km | 0% | 100% |
| Spalding | 16.1 km | 0% | 100% |