A view of Bethune, Colorado. The view is from the south at the intersection of County Road 40 and Interstate 70, at the top of the westbound offramp. – Jeffrey Beall, CC BY 4.0 – Wikimedia Commons Bethune is located in Kit Carson County. About 183 people live here (as of 2020). Between 2010 and 2020, the population declined from 237 to 183. The region is at 1298 meters above sea level. The area covers about 0.4 square kilometers. There are about 15 streets in Bethune. The postal codes are 80805. The dialing code is 719. Bethune is town in Kit Carson County, Colorado, United States.