The other problem with using median income as a metric is what those with below median income are generally referred to as in many market. They are called renters. In most market, only a bit over 50% of households are homeowners. Logically the higher income folks tend to be the homeowners. While not perfect, it would be more accurate to use the middle of the upper 50% of households (i.e. the 75th percentile to compare to the median price home). The median income should be more logically compared to the entry level home price. I know this is far from perfect but its more accurate then median income vs. median home price IMO.
