Cost of Living Comparison Between Seattle, WA and Trenton, NJ
For one person, living is cheaper in Trenton, NJ: $2,563 a month against $3,785 in Seattle, WA, rent and utilities included – about $14,700 less a year. Rent and utilities account for most of the difference.
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Seattle, WA Living Index184Cost of Living Index in Seattle, WALearn more -
Trenton, NJ Living Index124Cost of Living Index in Trenton, NJLearn more
How much you'll spend in Seattle, WA and in Trenton, NJ
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 Trenton, NJ actually costs, broken down by who's living it.
Monthly costs for one person with rent: $3,785 in Seattle, WA versus $2,563 in Trenton, NJ.
- Seattle, WA $3,785
- Trenton, NJ $2,563
Estimated couple costs with rent: $5,688 in Seattle, WA versus $4,114 in Trenton, NJ.
- Seattle, WA $5,688
- Trenton, NJ $4,114
Monthly costs for a family of three with rent: $7,592 in Seattle, WA versus $5,665 in Trenton, NJ.
- Seattle, WA $7,592
- Trenton, NJ $5,665
Living in Seattle, WA is roughly 48% more expensive than in Trenton, NJ, and outside of rent the biggest gap is in groceries.
Both cities are pricier than the global median: Seattle, WA 178% above, Trenton, NJ 88% 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 Trenton, NJ: 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 $2,508 in Seattle, WA and $1,724 in Trenton, NJ. Housing cost is often the main lever when comparing two cities.
Seattle, WA pays 94% more on average. How far that income stretches comes down to housing choices and lifestyle.
Dining out: $101 in Seattle, WA vs $65 in Trenton, NJ for a mid-range dinner for two. Groceries echo the gap at $547 vs $350 per month, with Trenton, NJ cheaper across the board.
- Seattle, WA Trenton, NJ 3,830 km ≈ 5 h nonstop flight
- Seattle, WA
- Trenton, NJ
Distances are measured in a straight line. Your location is detected approximately.
City Median Internet Speeds Comparison (Updated April 2026)
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