In all of these places, on average, spending $100 will only get you about $85 of goods and services relative to the rest of the country.
Here it is mapped:
The Relative Value Of $100 In Every American State
More Granularity by County
The data becomes much more interesting as it becomes more granular. It also makes sense because most people in Washington State know that money goes further in Spokane in comparison to Seattle. In the big metropolitan areas, or parts of remote states such as Alaska or Hawaii, the cost of living goes up significantly.
Here’s the data by county mapped:
Infographic source: Tax Foundation