http://www.terry.uga.edu/about/centers-institutes/selig/publications

The Multicultural Economy report provides state-level buying power estimates broken down by race (white, black, Asian, American Indian) and ethnicity (Hispanic). Each edition of the report includes current-year buying power estimates, buying power projections for the next half decade and historical data going back to 2000 to provide a measure of growth trends in all 50 states.