Cost of Living Comparison Between Seattle, WA and Thunder Bay
For one person, living is cheaper in Thunder Bay: $2,179 a month against $3,800 in Seattle, WA, rent and utilities included – about $19,500 less a year. Rent and utilities account for most of the difference.
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Seattle, WA Living Index185Cost of Living Index in Seattle, WALearn more -
Thunder Bay Living Index105Cost of Living Index in Thunder BayLearn more
How much you'll spend in Seattle, WA and in Thunder Bay
Real prices from locals and on-the-ground checks – rent, groceries, transit and the daily extras. Here's what a month in Seattle, WA and in Thunder Bay actually costs, broken down by who's living it.
Monthly costs for one person with rent: $3,800 in Seattle, WA versus $2,179 in Thunder Bay.
- Seattle, WA $3,800
- Thunder Bay $2,179
Estimated couple costs with rent: $5,702 in Seattle, WA versus $3,301 in Thunder Bay.
- Seattle, WA $5,702
- Thunder Bay $3,301
Monthly costs for a family of three with rent: $7,603 in Seattle, WA versus $4,423 in Thunder Bay.
- Seattle, WA $7,603
- Thunder Bay $4,423
Living in Seattle, WA is roughly 74% more expensive than in Thunder Bay, and outside of rent the biggest gap is in groceries.
Both cities are pricier than the global median: Seattle, WA 182% above, Thunder Bay 61% above.
CityCost data is based on AI and user input – minor inaccuracies may occur.
Last update for Seattle, WA: October 13, 2026
Last update for Thunder Bay: October 11, 2026
Cost Breakdown
A one-bedroom apartment in the center runs $2,464 in Seattle, WA and $1,040 in Thunder Bay. Housing cost is often the main lever when comparing two cities.
Seattle, WA pays 142% more on average. The extra income cushions the higher costs, though housing choices and lifestyle decide how much of the gap is truly closed.
Dining out: $101 in Seattle, WA vs $60.0 in Thunder Bay for a mid-range dinner for two. Groceries echo the gap at $542 vs $394 per month, with Thunder Bay cheaper across the board.
- Seattle, WA Thunder Bay 2,440 km ≈ 3 h 30 min nonstop flight
- Seattle, WA
- Thunder Bay
Distances are measured in a straight line. Your location is detected approximately.
City Median Internet Speeds Comparison (Updated April 2026)
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