Grass Valley, WA 6403 — Suburb Profile
Last reviewed: · By Knowburb Research Team
In short
Grass Valley is a suburb of Western Australia, postcode 6403, home to 158 residents with a settled, mature community. Located in the Northam local government area (Inner Regional Australia) and roughly 95 km from the Perth CBD.
Snapshot
Demographics
- Population
- 158
- Median age
- 52 years
- Median household income
- $1,125 /week
- Median personal income
- $547 /week
- Median family income
- $1,375 /week
- Average household size
- 2.2
- Persons per bedroom
- 0.7
- Local government area
- Northam
- Statistical region (SA4)
- Western Australia - Wheat Belt
- Remoteness classification
- Inner Regional Australia
- Federal electorate
- Pearce
Property & cost of living
- Median rent
- $225 /week
- Median monthly mortgage
- $986
- Rent share of household income
- 20%
Schools
School data refreshes annually from ACARA and state education departments.
Transport
Transport data refreshes monthly from state GTFS feeds.
Lifestyle & amenities
- 2 pubs and bars
Climate
- Warmest month: Jan (33.6°C avg max)
- Coolest month: Jul (17.9°C avg max)
- Annual rainfall: 672 mm
- Reference station: Geraldton Airport, 73.6 km away
NBN & connectivity
Fixed Wireless serves 100.0% of the 90 resolvable premises in Grass Valley. Most premises here are served by NBN Fixed Wireless from a nearby tower. Speed is shared with neighbours and weather-sensitive; plans up to NBN 100 are available where signal allows.
- Fixed Wireless: 100.0%
Safety
- Recorded offences: 5,235 across the Wheatbelt District in the year to Mar 2026 (stable on the prior year).
- Most common categories: 1,418 drug offences, 1,258 violent offences, 843 theft.
Nearby suburbs
Frequently asked questions
What is the population of Grass Valley?
Grass Valley (WA 6403) had 158 residents at the most recent ABS Census. The median age is 52. It sits within the Northam local government area.
What is the median rent in Grass Valley?
The median advertised rent in Grass Valley is $225/week, based on SQM Research listings data. Rents vary by property type, bedrooms and condition.
What NBN technology is available in Grass Valley?
Grass Valley is predominantly served by Fixed Wireless (100% of premises). Coverage data is sourced from the NBN upgrade map aggregated from NBN Co address checks.
How safe is Grass Valley?
Across the surrounding area, 5,235 offences were recorded in the 12 months to Mar 2026. The most common offence categories were drug offences (1,418), violent (1,258), theft (843). 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 Grass Valley?
In Grass Valley, mean daily temperatures range from 12.3°C to 25.3°C and annual rainfall is 672 mm measured at the Geraldton Airport weather station (73.6 km away). Long-term averages from the Bureau of Meteorology.
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: