Kent is 69% more expensive than Billings.
When comparing Kent, WA and Billings, MT, the overall cost of living indices are 145 and 86 respectively (national median = 100). Rent is $736/month cheaper in Billings, saving renters about $8,832/year.
Median household income is $18,561/year higher in Kent. Home values also differ significantly — the median in Kent is $537,500 compared to $311,800 in Billings.
Washington has no state income tax, giving Kent residents a significant tax advantage over Montana's 6.75% rate.
Kent vs Billings — common questions
Other cost of living comparisons for Kent and Billings