Grantham, QLD 4347 — Suburb Profile
Last reviewed: · By Knowburb Research Team
In short
Grantham is a suburb of Queensland, postcode 4347, home to 796 residents with a balanced age mix. Located in the Lockyer Valley local government area (Inner Regional Australia) and roughly 89 km from the Brisbane CBD.
Snapshot
Demographics
- Population
- 796
- Median age
- 36 years
- Median household income
- $1,406 /week
- Median personal income
- $634 /week
- Median family income
- $1,562 /week
- Average household size
- 2.7
- Persons per bedroom
- 0.8
- Local government area
- Lockyer Valley
- Statistical region (SA4)
- Toowoomba
- Remoteness classification
- Inner Regional Australia
- Federal electorate
- Wright
Property & cost of living
- Median rent
- $290 /week
- Median monthly mortgage
- $1,300
- Rent share of household income
- 21%
Schools
- Grantham State School
- Tent Hill Lower State School
- Ma Ma Creek State School
Transport
- Within 800 m walk: 2 bus stops
- Anzac Ave at Grantham
Lifestyle & amenities
- 2 cafés
- 4 parks and reserves
- 4 playgrounds
Climate
- Warmest month: Jan (31.2°C avg max)
- Coolest month: Jul (21.4°C avg max)
- Annual rainfall: 857 mm
- Reference station: Amberley AMO, 55.9 km away
NBN & connectivity
Fibre to the Premises serves 43.0% of the 421 resolvable premises in Grantham. Most premises here have a fibre cable running directly into the property — the fastest and most reliable NBN option, with plans available up to NBN 1000.
- Fibre to the Premises: 43.0%
- Fibre to the Node: 35.4%
- Fixed Wireless: 16.6%
- Sky Muster (Satellite): 5.0%
Safety
- Recorded offences: 4,496 across the Lockyer Valley LGA in the year to April 2026 (up 9% on the prior year).
- Most common categories: 1,975 theft, 918 drug offences, 553 violent offences.
Frequently asked questions
What is the population of Grantham?
Grantham (QLD 4347) had 796 residents at the most recent ABS Census. The median age is 36. It sits within the Lockyer Valley local government area.
What is the median rent in Grantham?
The median advertised rent in Grantham is $290/week, based on SQM Research listings data. Rents vary by property type, bedrooms and condition.
Are there schools in Grantham?
Yes — 3 schools are listed within or near Grantham covering government sectors. Nearest include: Grantham State School (0.5 km), Tent Hill Lower State School (3.8 km), Ma Ma Creek State School (5.7 km). School data sourced from ACARA and state education departments.
What NBN technology is available in Grantham?
Grantham is predominantly served by Fibre to the Premises (43% of premises). Coverage data is sourced from the NBN upgrade map aggregated from NBN Co address checks.
How safe is Grantham?
Across the surrounding area, 4,496 offences were recorded in the 12 months to APR26. The most common offence categories were theft (1,975), drug offences (918), violent (553). Crime statistics are recorded by area (postcode or LGA), not by individual suburb. Data sourced from each state's crime statistics agency.
What is the climate like in Grantham?
In Grantham, mean daily temperatures range from 13.1°C to 26.9°C and annual rainfall is 857 mm measured at the Amberley AMO weather station (55.9 km away). Long-term averages from the Bureau of Meteorology.
What public transport options are in Grantham?
2 public transport stops are mapped within 1.6 km of the Grantham centroid. Within 800 m, you'll find 2 bus stops. Stop data is sourced from state government GTFS feeds.
Sources & methodology
Demographics from ABS Census. Property data from SQM Research. Climate from Bureau of Meteorology. Schools from ACARA. NBN from NBN Co. Amenities from OpenStreetMap. See full methodology.
Additional sources for this profile: