here are the US states color-coded according to per capita GDP with an adjustment for Regional Price Parities: that is, it’s a measure of income adjusted for what it actually costs to buy housing and other goods. With that change, California, New York, and Maryland are no longer in the top category. Hoever, a number of midwestern states like Kansas, Nebraska, South Dakota, and my own Minnesota move into the top category. A number of states in the mountain west and south that were in the lowest-income category when just looking at per capita GDP move up a category or two when the Regional Price Parities are taken into account.
Taylor’s post indicates that the Bureau of Economic Analysis has some very interesting data on output and prices down to state and local levels. This would really help with a project of disaggregating the economy. Here is a recent press release about the data.