Ponca is an unincorporated village located in the U.S. state of Arkansas. It is within Newton County on Arkansas Highway 43 approximately 10 miles from Jasper to the west. It coordinates at 36°01′27″N 93°21′53″W and being famous for the regular sightings of Elk. The elevation is 1,073 feet above sea level. As of the 2000 census data, it had a total population of 117. Ponca has an own post office using Zip code 72456.