Cost of Living Comparison Between Seattle, WA and Longmont, CO
For one person, living is cheaper in Longmont, CO: $2,970 a month against $3,785 in Seattle, WA, rent and utilities included – about $9,800 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 -
Longmont, CO Living Index144Cost of Living Index in Longmont, COLearn more
How much you'll spend in Seattle, WA and in Longmont, CO
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 Longmont, CO actually costs, broken down by who's living it.
Monthly costs for one person with rent: $3,785 in Seattle, WA versus $2,970 in Longmont, CO.
- Seattle, WA $3,785
- Longmont, CO $2,970
Estimated couple costs with rent: $5,688 in Seattle, WA versus $4,184 in Longmont, CO.
- Seattle, WA $5,688
- Longmont, CO $4,184
Monthly costs for a family of three with rent: $7,592 in Seattle, WA versus $5,398 in Longmont, CO.
- Seattle, WA $7,592
- Longmont, CO $5,398
Living in Seattle, WA is roughly 27% more expensive than in Longmont, CO, and outside of rent the biggest gap is in groceries.
Both cities are pricier than the global median: Seattle, WA 178% above, Longmont, CO 118% 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 Longmont, CO: October 25, 2026
Categories marked with * are only partly priced – their share counts the items that do have prices.
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 $1,870 in Longmont, CO. Housing cost is often the main lever when comparing two cities.
Seattle, WA pays 41% more on average. How far that income stretches comes down to housing choices and lifestyle.
Dining out: $101 in Seattle, WA vs $81 in Longmont, CO for a mid-range dinner for two. Groceries echo the gap at $547 vs $450 per month, with Longmont, CO cheaper across the board.
- Seattle, WA Longmont, CO 1,600 km ≈ 2 h 30 min nonstop flight
- Seattle, WA
- Longmont, CO
Distances are measured in a straight line. Your location is detected approximately.
City Median Internet Speeds Comparison (Updated April 2026)
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