Seattle is 56% more expensive than Tacoma.
When comparing Seattle, WA and Tacoma, WA, the overall cost of living indices are 196 and 126 respectively (national median = 100). Rent is $401/month cheaper in Tacoma, saving renters about $4,812/year.
Median household income is $38,127/year higher in Seattle. Home values also differ significantly — the median in Seattle is $912,100 compared to $454,600 in Tacoma.
Both cities share the same state tax structure since they are in Washington.
Seattle vs Tacoma — common questions
Other cost of living comparisons for Seattle and Tacoma