Washington is 31% more expensive than Meridian.
When comparing Washington, DC and Meridian, ID, the overall cost of living indices are 171 and 131 respectively (national median = 100). Rent is $186/month cheaper in Meridian, saving renters about $2,232/year.
Median household income is $7,601/year higher in Washington. Home values also differ significantly — the median in Washington is $724,600 compared to $485,000 in Meridian.
Idaho has a lower income tax rate, making Meridian slightly more tax-friendly.
Washington vs Meridian — common questions
Other cost of living comparisons for Washington and Meridian