Cost of Living Comparison Between Sarnia and Seattle, WA
For one person, living is cheaper in Sarnia: $2,002 a month against $3,800 in Seattle, WA, rent and utilities included – about $21,600 less a year. Rent and utilities account for most of the difference.
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Sarnia Living Index96Cost of Living Index in SarniaLearn more -
Seattle, WA Living Index185Cost of Living Index in Seattle, WALearn more
How much you'll spend in Sarnia and in Seattle, WA
Real prices from locals and on-the-ground checks – rent, groceries, transit and the daily extras. Here's what a month in Sarnia and in Seattle, WA actually costs, broken down by who's living it.
A single person spends $2,002 per month in Sarnia vs $3,800 in Seattle, WA, rent included.
- Sarnia $2,002
- Seattle, WA $3,800
A couple spends around $2,788 per month in Sarnia vs $5,702 in Seattle, WA, rent included.
- Sarnia $2,788
- Seattle, WA $5,702
A family of three spends $3,574 per month in Sarnia vs $7,603 in Seattle, WA, rent included.
- Sarnia $3,574
- Seattle, WA $7,603
Sarnia is about 47% cheaper than Seattle, WA, and outside of rent the biggest gap is in groceries.
Both Sarnia and Seattle, WA sit above the global median – Sarnia by 48%, Seattle, WA by 182%.
CityCost data is based on AI and user input – minor inaccuracies may occur.
Last update for Sarnia: October 12, 2026
Last update for Seattle, WA: October 13, 2026
Cost Breakdown
A central one-bedroom costs $1,342 in Sarnia versus $2,464 in Seattle, WA. Rent is usually the largest line item in a monthly budget, so the gap here sets the tone for the overall comparison.
Salaries run about 105% higher in Seattle, WA, which partly offsets the higher cost of living there. Purchasing power depends on which expenses matter most to you.
A mid-range dinner for two costs $45.00 in Sarnia versus $101 in Seattle, WA. Monthly groceries follow the same trend: $310 vs $542 – making Sarnia the more affordable choice for daily food spending.
- Sarnia Seattle, WA 3,130 km ≈ 4 h 30 min nonstop flight
- Sarnia
- Seattle, WA
Distances are measured in a straight line. Your location is detected approximately.
City Median Internet Speeds Comparison (Updated April 2026)
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