Cost of Living Comparison Between Seattle, WA and Smithtown, NY
For one person, living is cheaper in Smithtown, NY: $2,653 a month against $3,762 in Seattle, WA, rent and utilities included – about $13,300 less a year. Rent and utilities account for most of the difference.
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Seattle, WA Living Index182Cost of Living Index in Seattle, WALearn more -
Smithtown, NY Living Index127Cost of Living Index in Smithtown, NYLearn more
How much you'll spend in Seattle, WA and in Smithtown, NY
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 Smithtown, NY actually costs, broken down by who's living it.
Monthly costs for one person with rent: $3,762 in Seattle, WA versus $2,653 in Smithtown, NY.
- Seattle, WA $3,762
- Smithtown, NY $2,653
Estimated couple costs with rent: $5,651 in Seattle, WA versus $3,823 in Smithtown, NY.
- Seattle, WA $5,651
- Smithtown, NY $3,823
Monthly costs for a family of three with rent: $7,541 in Seattle, WA versus $4,993 in Smithtown, NY.
- Seattle, WA $7,541
- Smithtown, NY $4,993
Living in Seattle, WA is roughly 42% more expensive than in Smithtown, NY, and outside of rent the biggest gap is in clothing.
Both cities are pricier than the global median: Seattle, WA 178% above, Smithtown, NY 96% above.
CityCost data is based on AI and user input – minor inaccuracies may occur.
Last update for Seattle, WA: November 2, 2026
Last update for Smithtown, NY: November 1, 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 $2,579 in Seattle, WA and $1,561 in Smithtown, NY. Housing cost is often the main lever when comparing two cities.
Dining out: $99 in Seattle, WA vs $50 in Smithtown, NY for a mid-range dinner for two. Groceries echo the gap at $544 vs $461 per month, with Smithtown, NY cheaper across the board.
- Seattle, WA Smithtown, NY 3,920 km ≈ 5 h nonstop flight
- Seattle, WA
- Smithtown, NY
Distances are measured in a straight line. Your location is detected approximately.
City Median Internet Speeds Comparison (Updated April 2026)
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