Washington is 18% more expensive than Kent.
When comparing Washington, DC and Kent, WA, the overall cost of living indices are 171 and 145 respectively (national median = 100). Rent is $67/month cheaper in Kent, saving renters about $804/year.
Median household income is $15,871/year higher in Washington. Home values also differ significantly — the median in Washington is $724,600 compared to $537,500 in Kent.
Washington has no state income tax, giving Kent residents a significant tax advantage over District of Columbia's 10.75% rate.
Washington vs Kent — common questions
Other cost of living comparisons for Washington and Kent