As of the 2000 census, there were 810 people, 371 households, and 231 families living in the county. The population density was 0.38 people per square mile (0.15/km2). There were 545 housing units at an average density of 0.26 per square mile (0.1/km2). The racial makeup of the county was 84.32% White, 0.37% Black or African American, 1.36% Native American, 10.62% from other races, and 3.33% from two or more races. 44.94% of the population were Hispanic or Latino of any race.