Thornton and Everett have a similar cost of living.
When comparing Thornton, CO and Everett, WA, the overall cost of living indices are 138 and 137 respectively (national median = 100). Rent is $135/month cheaper in Everett, saving renters about $1,620/year.
Median household income is $19,483/year higher in Thornton. Home values also differ significantly — the median in Thornton is $482,200 compared to $532,300 in Everett.
Washington has no state income tax, giving Everett residents a significant tax advantage over Colorado's 4.4% rate.
Thornton vs Everett — common questions
Other cost of living comparisons for Thornton and Everett