An overview of the general cost of living index for Peaceful Valley, WA is displayed above for your reference. Residents in Peaceful Valley, WA enjoy a cost of living index of 100. This index is 13% lower than the Washington average, and equal to the national average. The following categories are used when determining the cost of living index for any given city: health care (5%), transportation (9%), utilities (10%), groceries (13%), housing (30%), and goods/services (33%). Clearly, housing and goods/services make up the majority of the formula for calculating the cost of living index. Because of this, the general cost of living for any given area can be estimated by looking at the cost of everyday goods in that area. For those living in Peaceful Valley, WA, the average cost of goods and services is 8% higher than it is in Washington, and it is 14% higher than the national average.