Mercer Island, Washington Cost of Living for Household Bills

doxo’s Cost of Bills Index (COBI) measures regional differences in the median cost of the 13 most common household bills, helping to illustrate the relative cost of living across the US. The number 100 represents the national median, and each state, county, and city is then assigned a number, either above or below 100, based on its comparison to the national median. Learn more