Seattle is 145% more expensive than Columbia.
When comparing Seattle, WA and Columbia, MO, the overall cost of living indices are 196 and 80 respectively (national median = 100). Rent is $931/month cheaper in Columbia, saving renters about $11,172/year.
Median household income is $57,496/year higher in Seattle. Home values also differ significantly — the median in Seattle is $912,100 compared to $268,300 in Columbia.
Washington has no state income tax, giving Seattle residents a significant tax advantage over Missouri's 4.95% rate.
Seattle vs Columbia — common questions
Other cost of living comparisons for Seattle and Columbia