Cost of Living Comparison Between Sunnyvale, CA and Seattle, WA
For one person, living is cheaper in Seattle, WA: $3,782 a month against $4,372 in Sunnyvale, CA, rent and utilities included – about $7,100 less a year. Higher rent and utilities in Sunnyvale, CA outweigh lower spending on other living expenses.
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Sunnyvale, CA Living Index210Cost of Living Index in Sunnyvale, CALearn more -
Seattle, WA Living Index184Cost of Living Index in Seattle, WALearn more
How much you'll spend in Sunnyvale, CA 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 Sunnyvale, CA and in Seattle, WA actually costs, broken down by who's living it.
Monthly costs for one person with rent: $4,372 in Sunnyvale, CA versus $3,782 in Seattle, WA.
- Sunnyvale, CA $4,372
- Seattle, WA $3,782
Estimated couple costs with rent: $5,837 in Sunnyvale, CA versus $5,636 in Seattle, WA.
- Sunnyvale, CA $5,837
- Seattle, WA $5,636
Monthly costs for a family of three with rent: $7,302 in Sunnyvale, CA versus $7,489 in Seattle, WA.
- Sunnyvale, CA $7,302
- Seattle, WA $7,489
Living in Sunnyvale, CA is roughly 16% more expensive than in Seattle, WA, and outside of rent the biggest gap is in groceries.
Both cities are pricier than the global median: Sunnyvale, CA 223% above, Seattle, WA 179% above.
CityCost data is based on AI and user input – minor inaccuracies may occur.
Last update for Sunnyvale, CA: October 20, 2026
Last update for Seattle, WA: October 19, 2026
Cost Breakdown
A one-bedroom apartment in the center runs $3,351 in Sunnyvale, CA and $2,445 in Seattle, WA. Housing cost is often the main lever when comparing two cities.
Sunnyvale, CA pays 33% 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: $74.0 in Sunnyvale, CA vs $98.0 in Seattle, WA for a mid-range dinner for two. Groceries echo the gap at $334 vs $546 per month, with Sunnyvale, CA cheaper across the board.
- Sunnyvale, CA Seattle, WA 1,140 km ≈ 2 h nonstop flight
- Sunnyvale, CA
- 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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