As you might expect, it depends where you live.
The Tax Foundation created a map that shows the value of the goods that $100 can buy in each state relative to the national average.
What $100 Buys You, State by State. (Vocativ, 8/20/2014)
The value of a dollar and average income. Now it shouldn’t come as much as a shock that the states where the purchasing power of your dollar is the lowest also generally have a higher average income. Same goes for states with high-purchasing power and low income. This, however, is not a hard and fast rule