 As of the 2010 Census, the county's population is 8,715 people in 4,503 households.Based on population, the county is the ninth-smallest county of the 75 in Arkansas.The county is crossed by Interstate 40 (I-40), a major east–west Interstate highway running from California to North Carolina, as well as four United States highways (U.S. Route 63 [US 63], US 70, US 79, and US 165).