Armstrong Beach flood map & planning overlays
A planning-constraint profile of Armstrong Beach
(Mackay Regional, QLD) - 21.37 km², mapped from live council and
state overlay data. This suburb is highly constrained.
Profile updated 19 September 2026.
Suburb-wide figures; the free map shows which overlays touch your lot.
Constraint readout
21.37 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Armstrong Beach's boundary, with the flood, bushfire and environmental overlays drawn on top.
Nearby suburbs, nearest first
How common is mapped flood risk across Armstrong Beach properties?
Overlay percentages say how much land is constrained; these figures say how many properties are actually touched in a suburb-wide analysis of 505 Armstrong Beach properties. No individual property result is identified on this page.
Lot-level readout
Flood-risk rating across all 505 properties
From LayeredGeo's lot-risk engine: council flood overlays, historical flooding and terrain, resolved to each individual lot in Armstrong Beach.
Armstrong Beach at a glance
Schools in and near Armstrong Beach
Public school-location data shows availability across the suburb. These figures do not rate schools and do not assign a particular address to a catchment.
Inside the suburb boundary
0 schools providing primary years and 0 providing secondary years. A combined school may be counted in both teaching levels.
Nearest school availability
Primary: 2.67 km from the suburb boundary
Secondary: 3.08 km from the suburb boundary
Source: Queensland Government school geographic information. Catchment boundaries can divide a suburb and change over time; use the official catchment finder for a specific address.
How Armstrong Beach is zoned
Selling in Armstrong Beach? The lot-level zone is the zoning Part 3 of Queensland's Form 2 seller disclosure statement asks for - see our Form 2 planning data guide.
Across its 21.37 km², Armstrong Beach is highly constrained by planning overlays. About 29% of the suburb sits within a mapped flood overlay, and 31% is flagged bushfire-prone. The dominant land-use zone is Rural. The terrain is largely flat, and the median lot measures about 897 m² across 511 parcels.
Who lives in Armstrong Beach
Census 2021 figures published by the ABS for the Armstrong Beach 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 937, and decile 4 within Queensland. The national average is 1000.
Age profile
Share of Armstrong Beach's 903 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Sarina, the wider ABS statistical area containing Armstrong Beach. There is no annual population series published at suburb level, so this describes the surrounding area rather than Armstrong Beach itself.
9,620 in 2001 to 12,500 in 2025, up 30%.
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.
Armstrong Beach 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 relevant council planning scheme and Queensland Government spatial data |
| Bushfire-prone mapping | Mapped | the relevant council planning scheme and Queensland Government spatial data |
| Zoning | Mapped | the relevant council planning scheme and Queensland Government spatial data |
| Heritage and environment | Mapped where published | the relevant council planning scheme and Queensland Government spatial data |
| Aircraft noise contours (ANEF) | Not held | the relevant council planning scheme and Queensland Government spatial data, Defence |
| Demographics | Available | Australian Bureau of Statistics (2021 Census and SEIFA) |
| School availability | Available | Queensland Government |
Profile last materially updated 19 September 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 Armstrong Beach 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.
Published flood models are held over parts of Armstrong Beach. The free check tells you whether one reaches an address; where it does, a Flood Model Report is +$9 with the planning report.
The Terrain Report shows the fall of the block - contours, cross sections and a 3D model of the lot (+$9 with the planning report).
Building or pricing a slab? The $119 geotechnical desktop report covers geology, soils, bores and an indicative AS 2870 site class for a Armstrong Beach lot.
See what's in the $9 report →Armstrong Beach planning - frequently asked
Is Armstrong Beach flood-prone?
About 29% of Armstrong Beach falls within a mapped flood overlay, against the council-wide suburb average of 34%. Across the suburb, 86% of the 505 properties we analysed carry some level of mapped flood risk, including 432 rated high risk or historically affected.
Is Armstrong Beach bushfire-prone?
Around 31% of Armstrong Beach is mapped as bushfire-prone, compared with a Mackay Regional average of 26%.
What is the zoning in Armstrong Beach?
The dominant planning zone in Armstrong Beach is Rural, though the suburb also includes Open space and Rural residential.
Does Armstrong Beach have heritage-listed places?
No heritage-listed places are on record within Armstrong Beach.
Is Armstrong Beach hilly or flat?
Armstrong Beach is largely flat: the median ground slope is about 1%. Ground level runs from roughly 4 m to 17 m AHD across the suburb.
What is the typical lot size in Armstrong Beach?
Across 511 surveyed parcels in Armstrong Beach, the median lot size is about 897 m². There are also 71 registered easements mapped in the suburb.
What is the population of Armstrong Beach?
At the 2021 Census Armstrong Beach had 903 usual residents, with a median age of 41 and an average household size of 2.5 people. The wider Sarina statistical area, which contains Armstrong Beach, went from 9,620 people in 2001 to 12,500 in 2025, up 30%.
Is Armstrong Beach an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Armstrong Beach scores 937 and sits in decile 3 of 10 nationally and decile 4 within Queensland (decile 1 is the most disadvantaged tenth, decile 10 the least).
What is the median household income in Armstrong Beach?
Median household income in Armstrong Beach was $1,912 a week at the 2021 Census, against $1,937 for the typical suburb in Mackay Regional. Median rent was $340 a week and the median mortgage repayment $1,688 a month.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Freshwater Point | 3.7 km | 74% | 18% |
| Sarina Beach | 6.6 km | 50% | 19% |
| Campwin Beach | 8.5 km | 64% | 13% |
| Grasstree Beach | 10.4 km | 11% | 44% |
| Sarina | 10.8 km | 8% | 33% |
| Alligator Creek | 15.9 km | 16% | 22% |
| Hay Point | 16.3 km | 35% | 15% |
| Munbura | 16.8 km | 4% | 4% |
| Sarina Range | 19.4 km | 30% | 37% |
| Koumala | 19.8 km | 31% | 46% |