Portales is the county seat of Roosevelt County, New Mexico, with a total population of 11,131. It is the home of Eastern New Mexico University. It is located near the larger city of Clovis as well as Cannon Air Force Base, a major contributor to the economy of the region. Portales apartments for rent comparison page shows most up to date rent information on Portales apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.