Cost of Living Comparison Between Longmont, CO and Seattle, WA
For one person, living is cheaper in Longmont, CO: $3,066 a month against $3,800 in Seattle, WA, rent and utilities included – about $8,800 less a year. Rent and utilities account for most of the difference.
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Longmont, CO Living Index149Cost of Living Index in Longmont, COLearn more -
Seattle, WA Living Index185Cost of Living Index in Seattle, WALearn more
How much you'll spend in Longmont, CO 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 Longmont, CO and in Seattle, WA actually costs, broken down by who's living it.
Monthly costs for one person with rent: $3,066 in Longmont, CO versus $3,800 in Seattle, WA.
- Longmont, CO $3,066
- Seattle, WA $3,800
Estimated couple costs with rent: $4,549 in Longmont, CO versus $5,702 in Seattle, WA.
- Longmont, CO $4,549
- Seattle, WA $5,702
Monthly costs for a family of three with rent: $6,032 in Longmont, CO versus $7,603 in Seattle, WA.
- Longmont, CO $6,032
- Seattle, WA $7,603
Living in Longmont, CO costs roughly 19% less than in Seattle, WA, and outside of rent the biggest gap is in groceries.
Both cities are pricier than the global median: Longmont, CO 127% above, Seattle, WA 182% above.
CityCost data is based on AI and user input – minor inaccuracies may occur.
Last update for Longmont, CO: October 11, 2026
Last update for Seattle, WA: October 13, 2026
Cost Breakdown
A one-bedroom apartment in the center runs $1,727 in Longmont, CO and $2,464 in Seattle, WA. Housing cost is often the main lever when comparing two cities.
Seattle, WA pays 39% 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: $81.0 in Longmont, CO vs $101 in Seattle, WA for a mid-range dinner for two. Groceries echo the gap at $451 vs $542 per month, with Longmont, CO cheaper across the board.
- Longmont, CO Seattle, WA 1,600 km ≈ 2 h 30 min nonstop flight
- Longmont, CO
- 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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