Property Report / Areas / Mackay Regional / Alligator Creek

Alligator Creek flood map & planning overlays

A planning-constraint profile of Alligator Creek (Mackay Regional, QLD) - 75.26 km², mapped from live council and state overlay data. This suburb is highly constrained.
Profile updated 12 September 2026.

Suburb-wide figures; the free map shows which overlays touch your lot.

Elevation hillshade with street names, clipped to Alligator Creek's boundary, with the flood, bushfire and environmental overlays drawn on top.

Nearby suburbs, nearest first

How common is mapped flood risk across Alligator Creek properties?

Overlay percentages say how much land is constrained; these figures say how many properties are actually touched in a suburb-wide analysis of 460 Alligator Creek properties. No individual property result is identified on this page.

Alligator Creek at a glance

Parcels 466 Median lot 12,158 m² Mapped easements 115 Bus stops 2 Schools in suburb 1 Landslide overlay 16%

Schools in and near Alligator Creek

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

1

1 school providing primary years and 0 providing secondary years. A combined school may be counted in both teaching levels.

Nearest school availability

Primary: inside the suburb

Secondary: 5.79 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 Alligator Creek is zoned

Rural 72%
Strategic Port Land 18%
Rural residential 5%
Open space 4%
Conservation 0%
Special purpose 0%

Selling in Alligator Creek? 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 75.26 km², Alligator Creek is highly constrained by planning overlays. About 16% of the suburb sits within a mapped flood overlay, and 22% is flagged bushfire-prone. The dominant land-use zone is Rural. The terrain is gently undulating, and the median lot measures about 12,158 m² across 466 parcels.

Who lives in Alligator Creek

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

Population
897
usual residents, 2021
Median age
37
years
Median household income
$2,321
per week, Mackay Regional suburb typical $1,937
Median rent
$200
per week, Mackay Regional suburb typical $272
Median mortgage
$2,167
per month
Household size
2.9
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 6
most disadvantagedleast disadvantaged

Score 987, and decile 7 within Queensland. The national average is 1000.

Relative disadvantage (IRSD) Decile 7
most disadvantagedleast disadvantaged

Age profile

Share of Alligator Creek's 897 residents in each ABS age band.

0-4 6.9%
5-14 15.3%
15-19 6.1%
20-24 3.1%
25-34 13.5%
35-44 12.8%
45-54 15.3%
55-64 15.1%
65-74 8.7%
75-84 2.9%
85+ 0.3%

Population trend, 2001 to 2025

Estimated resident population of Sarina, the wider ABS statistical area containing Alligator Creek. There is no annual population series published at suburb level, so this describes the surrounding area rather than Alligator Creek 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.

Alligator Creek data sources and coverage

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

DatasetCoveragePublisher
Flood mappingMappedthe relevant council planning scheme and Queensland Government spatial data
Bushfire-prone mappingMappedthe relevant council planning scheme and Queensland Government spatial data
ZoningMappedthe relevant council planning scheme and Queensland Government spatial data
Heritage and environmentMapped where publishedthe relevant council planning scheme and Queensland Government spatial data
Aircraft noise contours (ANEF)Not heldthe relevant council planning scheme and Queensland Government spatial data, Defence
DemographicsAvailableAustralian Bureau of Statistics (2021 Census and SEIFA)
School availabilityAvailableQueensland Government

Profile last materially updated 12 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 Alligator Creek 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 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 Alligator Creek lot.

See what's in the $9 report →

Alligator Creek planning - frequently asked

Is Alligator Creek flood-prone?

About 16% of Alligator Creek falls within a mapped flood overlay, against the council-wide suburb average of 34%. Across the suburb, 8% of the 460 properties we analysed carry some level of mapped flood risk, including 38 rated high risk or historically affected.

Is Alligator Creek bushfire-prone?

Around 22% of Alligator Creek is mapped as bushfire-prone, compared with a Mackay Regional average of 26%.

What is the zoning in Alligator Creek?

The dominant planning zone in Alligator Creek is Rural, though the suburb also includes Strategic Port Land and Rural residential.

Does Alligator Creek have heritage-listed places?

No heritage-listed places are on record within Alligator Creek.

Is Alligator Creek hilly or flat?

Alligator Creek is gently undulating: the median ground slope is about 6%, and 14% of measured points sit on grades of 15% or steeper. Ground level runs from roughly 4 m to 73 m AHD across the suburb.

What is the typical lot size in Alligator Creek?

Across 466 surveyed parcels in Alligator Creek, the median lot size is about 12,158 m². There are also 115 registered easements mapped in the suburb.

Does Alligator Creek have a train station?

There is no train station inside Alligator Creek itself. The suburb is served by 2 bus stops.

What is the population of Alligator Creek?

At the 2021 Census Alligator Creek had 897 usual residents, with a median age of 37 and an average household size of 2.9 people. The wider Sarina statistical area, which contains Alligator Creek, went from 9,620 people in 2001 to 12,500 in 2025, up 30%.

Is Alligator Creek an advantaged suburb?

On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Alligator Creek scores 987 and sits in decile 6 of 10 nationally and decile 7 within Queensland (decile 1 is the most disadvantaged tenth, decile 10 the least).

What is the median household income in Alligator Creek?

Median household income in Alligator Creek was $2,321 a week at the 2021 Census, against $1,937 for the typical suburb in Mackay Regional. Median rent was $200 a week and the median mortgage repayment $2,167 a month.

Compare nearby suburbs

Nearby suburbDistanceFlood mappedBushfire-prone
Hay Point 4.5 km 35% 15%
Dunnrock 6.2 km 93% <1%
Grasstree Beach 7.8 km 11% 44%
McEwens Beach 8.5 km 93% 10%
Balberra 8.5 km 46% 3%
Chelona 10.2 km 89% 4%
Sarina Beach 10.9 km 50% 19%
Rosella 11.3 km 25% 0%
Campwin Beach 11.5 km 64% 13%
Munbura 12.5 km 4% 4%

See all Mackay Regional suburb profiles →