Seattle is 128% more expensive than Billings.
When comparing Seattle, WA and Billings, MT, the overall cost of living indices are 196 and 86 respectively (national median = 100). Rent is $901/month cheaper in Billings, saving renters about $10,812/year.
Median household income is $50,129/year higher in Seattle. Home values also differ significantly — the median in Seattle is $912,100 compared to $311,800 in Billings.
Washington has no state income tax, giving Seattle residents a significant tax advantage over Montana's 6.75% rate.
Seattle vs Billings — common questions
Other cost of living comparisons for Seattle and Billings