This report uses data from the March Current Population Survey to estimate median household size-adjusted income for persons with and without a disability in the non-institutionalized working-age (aged 25 through 61) civilian population in the United States, and for each state and the District of Columbia for the years 1980 through 1998. The median household size-adjusted income of persons with a disability relative to those of persons without a disability varies greatly across states. Since 1980, however, the growth in the median household size-adjusted income of those with a disability has fallen below that of the rest of the working population overall and in the vast majority of states.