Cost of Living Comparison Between Seattle, WA and Somerville, MA
For one person, living is cheaper in Seattle, WA: $3,785 a month against $4,027 in Somerville, MA, rent and utilities included – about $2,900 less a year. Higher rent and utilities in Somerville, MA outweigh lower spending on other living expenses.
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Seattle, WA Living Index184Cost of Living Index in Seattle, WALearn more -
Somerville, MA Living Index194Cost of Living Index in Somerville, MALearn more
How much you'll spend in Seattle, WA and in Somerville, MA
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 Somerville, MA actually costs, broken down by who's living it.
Monthly costs for one person with rent: $3,785 in Seattle, WA versus $4,027 in Somerville, MA.
- Seattle, WA $3,785
- Somerville, MA $4,027
Estimated couple costs with rent: $5,688 in Seattle, WA versus $5,485 in Somerville, MA.
- Seattle, WA $5,688
- Somerville, MA $5,485
Monthly costs for a family of three with rent: $7,592 in Seattle, WA versus $6,943 in Somerville, MA.
- Seattle, WA $7,592
- Somerville, MA $6,943
Living in Seattle, WA costs roughly 6% less than in Somerville, MA, and outside of rent the biggest gap is in leisure.
Both cities are pricier than the global median: Seattle, WA 178% above, Somerville, MA 196% above.
CityCost data is based on AI and user input – minor inaccuracies may occur.
Last update for Seattle, WA: October 26, 2026
Last update for Somerville, MA: October 25, 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 $2,508 in Seattle, WA and $3,198 in Somerville, MA. Housing cost is often the main lever when comparing two cities.
Seattle, WA pays 18% more on average while also being the cheaper of the two. The combined effect is a noticeably stronger local purchasing power.
Dining out: $101 in Seattle, WA vs $95 in Somerville, MA for a mid-range dinner for two. Groceries echo the gap at $547 vs $475 per month, with Somerville, MA cheaper across the board.
- Seattle, WA Somerville, MA 4,000 km ≈ 5 h nonstop flight
- Seattle, WA
- Somerville, MA
Distances are measured in a straight line. Your location is detected approximately.
City Median Internet Speeds Comparison (Updated April 2026)
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