Denver is 20% more expensive than Vancouver.
When comparing Denver, CO and Vancouver, WA, the overall cost of living indices are 147 and 123 respectively (national median = 100). Rent is $138/month cheaper in Vancouver, saving renters about $1,656/year.
Median household income is $13,525/year higher in Denver. Home values also differ significantly — the median in Denver is $586,700 compared to $440,300 in Vancouver.
Washington has no state income tax, giving Vancouver residents a significant tax advantage over Colorado's 4.4% rate.
Denver vs Vancouver — common questions
Other cost of living comparisons for Denver and Vancouver