Seattle is 50% more expensive than Meridian.
When comparing Seattle, WA and Meridian, ID, the overall cost of living indices are 196 and 131 respectively (national median = 100). Rent is $284/month cheaper in Meridian, saving renters about $3,408/year.
Median household income is $23,298/year higher in Seattle. Home values also differ significantly — the median in Seattle is $912,100 compared to $485,000 in Meridian.
Washington has no state income tax, giving Seattle residents a significant tax advantage over Idaho's 5.8% rate.
Seattle vs Meridian — common questions
Other cost of living comparisons for Seattle and Meridian