Cost of Living Comparison Between Groton, CT and Seattle, WA
For one person, living is cheaper in Groton, CT: $3,035 a month against $3,785 in Seattle, WA, rent and utilities included – about $9,000 less a year. Rent and utilities account for about half of the difference.
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Groton, CT Living Index147Cost of Living Index in Groton, CTLearn more -
Seattle, WA Living Index184Cost of Living Index in Seattle, WALearn more
How much you'll spend in Groton, CT 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 Groton, CT and in Seattle, WA actually costs, broken down by who's living it.
Monthly costs for one person with rent: $3,035 in Groton, CT versus $3,785 in Seattle, WA.
- Groton, CT $3,035
- Seattle, WA $3,785
Estimated couple costs with rent: $4,131 in Groton, CT versus $5,688 in Seattle, WA.
- Groton, CT $4,131
- Seattle, WA $5,688
Monthly costs for a family of three with rent: $5,227 in Groton, CT versus $7,592 in Seattle, WA.
- Groton, CT $5,227
- Seattle, WA $7,592
Living in Groton, CT costs roughly 20% less than in Seattle, WA, and outside of rent the biggest gap is in groceries.
Both cities are pricier than the global median: Groton, CT 123% above, Seattle, WA 178% above.
CityCost data is based on AI and user input – minor inaccuracies may occur.
Last update for Groton, CT: October 27, 2026
Last update for Seattle, WA: October 26, 2026
Categories marked with * are only partly priced – their share counts the items that do have prices.
Cost Breakdown
A one-bedroom apartment in the center runs $2,097 in Groton, CT and $2,508 in Seattle, WA. Housing cost is often the main lever when comparing two cities.
Dining out: $64 in Groton, CT vs $101 in Seattle, WA for a mid-range dinner for two. Groceries echo the gap at $440 vs $547 per month, with Groton, CT cheaper across the board.
- Groton, CT Seattle, WA 3,980 km ≈ 5 h nonstop flight
- Groton, CT
- 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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