As of the 2010 United States Census, there were 4,034 people, 1,329 households, and 1,029 families living in the county. The population density was . There were 1,558 housing units at an average density of . The racial makeup of the county was 74.9% white, 4.2% black or African American, 1.8% American Indian, 0.3% Asian, 15.8% from other races, and 2.8% from two or more races. Those of Hispanic or Latino origin made up 29.3% of the population. In terms of ancestry, 11.8% were German, 8.6% were Irish, 5.8% were American, and 5.3% were English.