Colly Blue zoning & planning overlays
A planning-constraint profile of Colly Blue
(Liverpool Plains, NSW) - 42.91 km², mapped from live council and
state overlay data. This suburb is highly constrained on the overlays we could measure - no flood mapping covers this suburb, so this is not a suburb-wide verdict.
Profile updated 26 September 2026.
Suburb-wide figures; the free map shows which overlays touch your lot.
Constraint readout
42.91 km² - this suburb is highly constrained on the overlays we could measure - no flood mapping covers this suburb, so this is not a suburb-wide verdict.
Elevation hillshade with street names, clipped to Colly Blue's boundary, with the bushfire and environmental overlays drawn on top. No flood layer is drawn because we hold no flood mapping for this area.
Nearby suburbs, nearest first
Colly Blue at a glance
How Colly Blue is zoned
Buying in Colly Blue? The zoning, flood and bushfire lines on the section 10.7 certificate attached to the contract are mapped controls - see our s10.7 certificate guide.
Across its 42.91 km², Colly Blue is highly constrained by the planning overlays we hold. We hold no flood mapping covering this suburb, so no flood figure is shown - that is a gap in our data, not an all-clear. Of what is mapped, 100% is flagged bushfire-prone. The dominant land-use zone is Primary Production. The median lot measures about 25,858 m² across 51 parcels.
Who lives in Colly Blue
Census 2021 figures published by the ABS for the Colly Blue 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 993, and decile 5 within New South Wales. The national average is 1000.
Population trend, 2001 to 2025
Estimated resident population of Quirindi, the wider ABS statistical area containing Colly Blue. There is no annual population series published at suburb level, so this describes the surrounding area rather than Colly Blue itself.
7,977 in 2001 to 7,671 in 2025, down 4%.
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.
Colly Blue data sources and coverage
“Not mapped” means we hold no source layer for this suburb - never an all-clear.
| Dataset | Coverage | Publisher |
|---|---|---|
| Flood mapping | Not mapped | NSW Government spatial services, NSW ePlanning and published council flood studies |
| Bushfire-prone mapping | Mapped | NSW Government spatial services, NSW ePlanning and published council flood studies |
| Zoning | Mapped | NSW Government spatial services, NSW ePlanning and published council flood studies |
| Heritage and environment | Mapped where published | NSW Government spatial services, NSW ePlanning and published council flood studies |
| Aircraft noise contours (ANEF) | Not held | NSW Government spatial services, NSW ePlanning and published council flood studies, Defence |
| Observed flight paths | Watched, not yet sampled here | adsb.lol, under the Open Database License |
| Demographics | Available | Australian Bureau of Statistics (2021 Census and SEIFA) |
Profile last materially updated 26 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 Colly Blue 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.
Building or pricing a slab? The $119 geotechnical desktop report covers geology, soils, bores and an indicative AS 2870 site class for a Colly Blue lot.
See what's in the $9 report →Colly Blue planning - frequently asked
Is Colly Blue flood-prone?
We don't yet hold flood mapping covering Colly Blue, so this page can't say how much of the suburb is flood-affected - that is a gap in our data, not an indication that the suburb is free of flood risk. Liverpool Plains is the authority to check for flood mapping in this area.
Is Colly Blue bushfire-prone?
Around 100% of Colly Blue is mapped as bushfire-prone, compared with a Liverpool Plains average of 100%.
What is the zoning in Colly Blue?
The dominant planning zone in Colly Blue is Primary Production.
Does Colly Blue have heritage-listed places?
No heritage-listed places are on record within Colly Blue.
What is the typical lot size in Colly Blue?
Across 51 surveyed parcels in Colly Blue, the median lot size is about 25,858 m². There are also 1 registered easements mapped in the suburb.
Does Colly Blue have a train station?
There is no train station inside Colly Blue itself. The suburb is served by 2 bus stops.
Is Colly Blue an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Colly Blue scores 993 and sits in decile 6 of 10 nationally and decile 5 within New South Wales (decile 1 is the most disadvantaged tenth, decile 10 the least).
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Yannergee | 7.4 km | Not mapped | 100% |
| Spring Ridge | 10.5 km | Not mapped | 94% |
| Coomoo Coomoo | 15.5 km | Not mapped | 100% |
| Premer | 20.0 km | Not mapped | 100% |
| Yarraman | 24.1 km | Not mapped | 100% |
| Bundella | 24.4 km | Not mapped | 100% |
| Blackville | 25.1 km | Not mapped | 100% |
| Pine Ridge | 26.2 km | Not mapped | 100% |
| Caroona | 28.4 km | Not mapped | 100% |
| Curlewis Gunnedah |
29.6 km | Not mapped | 95% |