As of the census of 2000, 67 people, 31 households, and 19 families lived in the county. The population density was 0.2 people per square mile (0.08/km2). The 70 housing units averaged 0.1 per square mile (0.04/km2). Of the 67 residents, 60 (89%) identified as White, no person identified as Black, African American, Native American, Asian, or Pacific Islander. Six identified as "some other race", and one person identified as belonging to two or more races. In addition, seven people identified as being of Hispanic, Latino, or Spanish origin of any race. It is one of only a few counties in the U.S. outside of the Northeast where the largest self-identified ancestry group is Irish American.