Washington is 39% more expensive than Vancouver.
When comparing Washington, DC and Vancouver, WA, the overall cost of living indices are 171 and 123 respectively (national median = 100). Rent is $268/month cheaper in Vancouver, saving renters about $3,216/year.
Median household income is $28,131/year higher in Washington. Home values also differ significantly — the median in Washington is $724,600 compared to $440,300 in Vancouver.
Washington has no state income tax, giving Vancouver residents a significant tax advantage over District of Columbia's 10.75% rate.
Washington vs Vancouver — common questions
Other cost of living comparisons for Washington and Vancouver