Cost of Living Comparison Between Perth and Derby, Australia
For one person, living is cheaper in Derby: $2,353 a month against $3,080 in Perth, rent and utilities included – about $8,700 less a year. Rent and utilities account for most of the difference.
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Perth Living Index148Cost of Living Index in PerthLearn more -
Derby Living Index122Cost of Living Index in DerbyLearn more
How much you'll spend in Perth and in Derby
Real prices from locals and on-the-ground checks – rent, groceries, transit and the daily extras. Here's what a month in Perth and in Derby actually costs, broken down by who's living it.
Monthly costs for one person with rent: $3,080 in Perth versus $2,353 in Derby.
- Perth $3,080
- Derby $2,353
Estimated couple costs with rent: $4,194 in Perth versus $3,668 in Derby.
- Perth $4,194
- Derby $3,668
Monthly costs for a family of three with rent: $5,309 in Perth versus $4,983 in Derby.
- Perth $5,309
- Derby $4,983
Living in Perth is roughly 31% more expensive than in Derby, and outside of rent the biggest gap is in transport.
Both cities are pricier than the global median: Perth 126% above, Derby 73% above.
CityCost data is based on AI and user input – minor inaccuracies may occur.
Last update for Perth: October 25, 2026
Last update for Derby: October 26, 2026
Cost Breakdown
A one-bedroom apartment in the center runs $2,006 in Perth and $1,410 in Derby. Housing cost is often the main lever when comparing two cities.
Dining out: $86 in Perth vs $83 in Derby for a mid-range dinner for two. Groceries echo the gap at $365 vs $361 per month, with Derby cheaper across the board.
- Perth Derby 1,810 km ≈ 2 h 45 min nonstop flight
- Perth
- Derby
Distances are measured in a straight line. Your location is detected approximately.
City Median Internet Speeds Comparison (Updated April 2026)
What is the total cost difference between living in Perth and in Derby?
What salary covers living expenses in Perth compared to Derby?
How do apartment prices compare in Perth and in Derby?
How do commuting costs compare in Perth and in Derby?
Which city is more expensive overall: Perth or Derby?
Which city is more doable on $3,000 per month?
How does quality of life compare between Perth and Derby?
Is Perth or Derby safer for residents?
Perth vs other spots: cost of living compared
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