Current US Economy and a Glimpse of the Federal Cost of Living Index
These links provide data from the Federal Cost of Living Index.
This info is designed to give us some idea of how a state compares to other states, in terms of the expenses involved in residing there. But certain economic factors, like state sales tax and housing costs, don't correlate too strongly with data shown on the cost of living index.
In any case, see the following links to make your own assessments about the US economy.
COST OF LIVING BY STATE
is a measure of living expenses for a state's residents, as compared to other states, and to the national average. This page also gives info on housing cost by state.