sentences:  The population density was 7 people per square mile (3/km²).There were 7,746 housing units at an average density of 3 per square mile (1/km²).The racial makeup of the county was 74.14% White, 1.65% Black or African American, 1.10% Native American, 0.62% Asian, 0.07% Pacific Islander, 19.76% from other races, and 2.65% from two or more races.