Grand Secret at a glance
Walk score
0
Very car dependent
Population
151
Median age 49
The brief
What to know about Grand Secret.
The postcode for Grand Secret is 4820 (QLD).
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.
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Day to day
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.
Schooling within or near the suburb covers 3 government primary, 1 government secondary, 1 Catholic, 2 independent.
Who lives here
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%
Demographics data as of May 2026· ABS 2021 Census
Market
The price of a home here.
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· sales-qld
Rental and ownership
Weekly rent (house)
$220/wk
Weekly rent (unit)
$230/wk
Owner occupied
65%
Renter occupied
45%
At a deeper level
151
Median age: 49
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Safety
Crime and safety.
LGA-wide data, not suburb-specific
QLD Police only publishes crime statistics at the local government area / region level. The numbers below cover the entire Charters Towers Regional Council, which may include suburbs with very different crime profiles. Quieter residential pockets within the LGA likely have lower rates than the total suggests; busier areas may have higher.
2,803
total offences in 2026 across the Charters Towers Regional Council LGA
Top offence categories
Crime statistics are reported at LGA level and may cover a broader area than this suburb.
Source: State Police Open Data
Getting around
Walkability.
0
0
0
Scores calculated from OpenStreetMap data (ODbL)
Walkability data as of May 2026· OpenStreetMap
Place
Location.
Amenities
Transport
Education
Schools in Grand Secret.
Local schools for Grand Secret
View the catchment for each school to find out more.
Government School Catchment
Charters Towers State High School
Charters Towers Central State School
Richmond Hill State School
© ACARA, licensed under CC BY 4.0.
Frequently asked
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 regional suburb in QLD, postcode 4820, in the Charters Towers Regional Council region.
- What is the average rent in Grand Secret?
- The median weekly rent for houses is $220, for units it's $230.
- 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.
For Sale
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Sources cited
Median, growth and rental data from state revenue offices and ABS. Census from ABS 2021. Climate from BoM. Hazard from Geoscience Australia. School data from ACARA. Crime from state police open data. Full methodology →
Always dated
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