Cost of Living Comparison Between Seattle, WA and Centennial, CO
For one person, living is cheaper in Centennial, CO: $3,179 a month against $3,785 in Seattle, WA, rent and utilities included – about $7,300 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 -
Centennial, CO Living Index153Cost of Living Index in Centennial, COLearn more
How much you'll spend in Seattle, WA and in Centennial, 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 Centennial, CO actually costs, broken down by who's living it.
A single person spends $3,785 per month in Seattle, WA vs $3,179 in Centennial, CO, rent included.
- Seattle, WA $3,785
- Centennial, CO $3,179
A couple spends around $5,688 per month in Seattle, WA vs $4,417 in Centennial, CO, rent included.
- Seattle, WA $5,688
- Centennial, CO $4,417
A family of three spends $7,592 per month in Seattle, WA vs $5,655 in Centennial, CO, rent included.
- Seattle, WA $7,592
- Centennial, CO $5,655
Seattle, WA costs about 19% more than Centennial, CO, and outside of rent the biggest gap is in groceries.
Both Seattle, WA and Centennial, CO sit above the global median – Seattle, WA by 178%, Centennial, CO by 134%.
CityCost data is based on AI and user input – minor inaccuracies may occur.
Last update for Seattle, WA: October 26, 2026
Last update for Centennial, CO: October 24, 2026
Cost Breakdown
A central one-bedroom costs $2,508 in Seattle, WA versus $1,850 in Centennial, CO. Rent is usually the largest line item in a monthly budget, so the gap here sets the tone for the overall comparison.
A mid-range dinner for two costs $101 in Seattle, WA versus $86 in Centennial, CO. Monthly groceries follow the same trend: $547 vs $469 – making Centennial, CO the more affordable choice for daily food spending.
- Seattle, WA Centennial, CO 1,660 km ≈ 2 h 30 min nonstop flight
- Seattle, WA
- Centennial, 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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