Kent is 4% more expensive than Westminster.
When comparing Kent, WA and Westminster, CO, the overall cost of living indices are 145 and 139 respectively (national median = 100). Rent is comparable in both cities, with less than $50/month separating them.
Median household income is $5,729/year higher in Westminster. Home values also differ significantly — the median in Kent is $537,500 compared to $497,400 in Westminster.
Washington has no state income tax, giving Kent residents a significant tax advantage over Colorado's 4.4% rate.
Kent vs Westminster — common questions
Other cost of living comparisons for Kent and Westminster