Jimna flood map & planning overlays

A planning-constraint profile of Jimna (Somerset Regional, QLD) - 315.77 km², mapped from live council and state overlay data. This suburb is highly constrained.

Elevation hillshade with street names, clipped to Jimna's boundary, with the flood, bushfire and environmental overlays drawn on top. It shows where constraints fall; the interactive map shows them on your exact address.

Jimna at a glance

Parcels 164 Median lot 86,535 m² Mapped easements 2

How Jimna is zoned

Environmental Management and Conservation 84%
Sport And Recreation 14%
Environmental Management And Conservation 2%

Selling in Jimna? 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 315.77 km², Jimna is highly constrained by planning overlays. About 2% of the suburb sits within a mapped flood overlay, and 71% is flagged bushfire-prone. There is 1 heritage-listed site on record, and the dominant land-use zone is Environmental Management and Conservation. The median lot measures about 86,535 m² across 164 parcels. These figures are suburb-wide - the overlays that actually apply to a given lot can differ block to block, which is what a property-level check tells you.

Who lives in Jimna

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

Population
70
usual residents, 2021
Median age
46
years
Median household income
$749
per week, Somerset Regional suburb typical $1,312
Median rent
$225
per week, Somerset Regional suburb typical $300
Median mortgage
$772
per month
Household size
2.4
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 3
most disadvantagedleast disadvantaged

Score 943, and decile 4 within Queensland. The national average is 1000.

Relative disadvantage (IRSD) Decile 3
most disadvantagedleast disadvantaged

Age profile

Share of Jimna's 70 residents in each ABS age band.

0-4 4.4%
5-14 16.2%
15-19 5.9%
20-24 4.4%
25-34 8.8%
35-44 14.7%
45-54 19.1%
55-64 14.7%
65-74 11.8%
75-84 0.0%
85+ 0.0%

Population trend, 2001 to 2025

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

4,029 in 2001 to 6,216 in 2025, up 54%.

Source: Australian Bureau of Statistics. Census of Population and Housing 2021 (General Community Profile) and SEIFA 2021, both published at the Suburbs and Localities level; Regional Population (estimated resident population) at Statistical Area Level 2. Used under CC BY 4.0. Census counts of small populations are randomly adjusted by the ABS to protect confidentiality, so figures for small suburbs are indicative.

Check a specific Jimna 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.

See what's in the $9 report →

Jimna planning - frequently asked

Where can I see a flood map of Jimna?

The schematic on this page is a Jimna flood map: the mapped flood overlays drawn over the suburb's terrain and street grid, covering about 2% of the suburb. Flood lines vary block to block, so for a specific property use the free interactive map - search any Jimna address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.

Is Jimna flood-prone?

About 2% of Jimna falls within a mapped flood overlay, against a Somerset Regional average of 25%. Flood overlays vary block to block, so whether a particular lot is affected needs a property-level check.

Is Jimna bushfire-prone?

Yes - around 71% of Jimna is mapped as bushfire-prone, compared with a Somerset Regional average of 54%. A bushfire-prone designation can trigger additional building requirements, so check the specific address.

What is the zoning in Jimna?

The dominant planning zone in Jimna is Environmental Management and Conservation, though the suburb also includes Sport And Recreation and Environmental Management And Conservation. Zoning sets what you can build and do on a site, and can differ lot by lot.

Does Jimna have heritage-listed places?

Jimna has 1 heritage-listed place on record. Heritage listing affects what you can alter or demolish, so confirm whether a specific property is listed or near a heritage place.

What is the typical lot size in Jimna?

Across 164 surveyed parcels in Jimna, the median lot size is about 86,535 m². There are also 2 registered easements mapped in the suburb - an easement can restrict where you can build, so always check the title and overlays for the specific lot.

What is the population of Jimna?

At the 2021 Census Jimna had 70 usual residents, with a median age of 46 and an average household size of 2.4 people. The wider Kilcoy statistical area, which contains Jimna, went from 4,029 people in 2001 to 6,216 in 2025, up 54%. ABS publishes no annual population series for individual suburbs, so that trend describes the surrounding area rather than Jimna alone.

Is Jimna an advantaged suburb?

On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Jimna scores 943 and sits in decile 3 of 10 nationally and decile 4 within Queensland - decile 1 being the most disadvantaged tenth of Australian suburbs and decile 10 the least. The national average score is 1000. SEIFA summarises income, education, occupation and housing across the whole suburb, so it describes the area, not any particular household in it.

What is the median household income in Jimna?

Median household income in Jimna was $749 a week at the 2021 Census, against $1,312 for the typical suburb in Somerset Regional. Median rent was $225 a week and the median mortgage repayment $772 a month. These are 2021 Census figures and have not been indexed to today.

Do I need a planning report for a Jimna property?

A Jimna planning report pulls every overlay - zoning, flood, bushfire, heritage and environmental - that touches a single lot, on live council and state data. The interactive map preview is free; a full PDF report is $9.

Other suburbs in Somerset Regional

See all Somerset Regional suburb profiles →