Grand Secret, QLD 4820
Charters Towers Regional CouncilAll suburbs in postcode 4820
Updated
Median house price
Verified median pending
We don't yet have a verified suburb-level median for this market. We're working on a data partner; in the meantime, treat the state-level figures as a guide only. How we source data.
Sales data as of May 2026
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What to know about Grand Secret
Grand Secret (4820) sits in the Charters Towers region of Queensland.
Grand Secret has roughly 151 residents, with an established, older skew. Households are mostly owner-occupied. Daily life is car-dependent: most residents drive to work, school and the shops.
What it’s like to live here
Grand Secret scores 0/100 on walkability, which makes it car-dependent with limited public transport. Plan for two cars in a typical household, especially if work isn't local.
Summer days here average around 34°C (hot), winter mornings around 11°C (mild). Annual rainfall lands at about 626 mm. Figures are our 1991 to 2020 averages of SILO data for this location (Queensland Government, built from Bureau of Meteorology observations).
Schooling within or near the suburb covers 3 government primary, 1 government secondary, 1 Catholic, 2 independent.
Schools in Grand Secret
Schools serving Grand Secret: government first, then Catholic and independent.
Government schools
© ACARA, licensed under CC BY 4.0.
Location
Walkability
- Walk
- 0/100
- Transit
- 0/100
- Bike
- 0/100
Very car dependent. Scores out of 100, calculated from OpenStreetMap data (ODbL).
Walkability data as of May 2026· OpenStreetMap
Demographics
The 2021 Census put Grand Secret's population at 151, with a median age of 49. That sits as an established, older skew. Households are mostly owner-occupied (65% own, 45% rent), which shapes everything from school catchment stability to how often properties turn over. The household mix skews family-dominated (66% family households, 35% lone person), so amenity decisions tend to follow what families want: parks, schools, supermarkets.
- Population
- 151
- Median age
- 49
- Family households
- 66%
- Lone person
- 35%
- Owner occupied
- 65%
- Renter occupied
- 45%
Demographics data as of May 2026· ABS 2021 Census
Crime and safety
4,112 offences recorded in 2026 across the Charters Towers Regional Council LGA
QLD Police publishes these figures only for the whole Charters Towers Regional Council, which may include suburbs with very different crime profiles. Quieter residential pockets likely have lower rates than the total suggests; busier areas may have higher.
Top offence categories
Source: State Police Open Data
Weather year-round
- Annual rainfall
- 626 mm
- Hottest month, avg max
- 34.7°C
- Coldest month, avg min
- 11.3°C
Rainfall by month
Our 1991 to 2020 averages of SILO data (Queensland Government, built from Bureau of Meteorology observations, CC BY 4.0) for this location.
Climate data as of October 2026· SILO (Queensland Government), from Bureau of Meteorology observations
Questions about Grand Secret
- What is the Grand Secret postcode?
- Grand Secret is in the 4820 postcode, in QLD, in the Charters Towers Regional Council region.
- Where is Grand Secret?
- Grand Secret is a suburb in the Charters Towers Regional Council area, QLD 4820.
- What schools are in Grand Secret?
- There are 8 schools serving Grand Secret on this page, including Blackheath and Thornburgh College, Charters Towers State High School, Charters Towers Central State School.
- How walkable is Grand Secret?
- Grand Secret has a Walk Score of 0 out of 100, highly car-dependent. transit score 0, bike score 0.
- What suburbs are near Grand Secret?
- Grand Secret is close to Alabama Hill, Charters Towers City, Charters Towers, Sellheim, Towers Hill.
- What is the population of Grand Secret?
- The population of Grand Secret is approximately 151 (2021 Census). The median age is 49.
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Sources. House and unit medians from the NSW Valuer General, Land Victoria, the SA Government and the ABS; rents from the state rental bond authorities. Census from the ABS (2021), climate from the Bureau of Meteorology, hazard from Geoscience Australia, schools from ACARA and crime from state police open data. Each figure carries its source and date. How we source data
How we’re paid. The guides and this page are free. When a seller asks, we introduce one local agent, and the agent pays us a flat fee for the introduction, never a share of their commission; it costs the seller nothing. If a figure looks wrong, tell us and we’ll fix it.