sentences:  The population density was 5 people per square mile (2/km²).There were 7,257 housing units at an average density of 2 per square mile (1/km²).The racial makeup of the county was 73.89% White, 1.66% Black or African American, 2.09% Native American, 0.32% Asian, 0.13% Pacific Islander, 17.95% from other races, and 3.97% from two or more races.