Umatilla is located in Umatilla County. The region is located on the body of water Columbia River. About 7,363 people live here (as of 2020). Between 2010 and 2020, the population grew from 6,906 to 7,363. The region is at 98 meters above sea level. The area covers about 12.0 square kilometers. There are about 264 streets in Umatilla. The region was founded in 1863. The postal codes are 97882. The dialing code is 541. Umatilla is city in Umatilla County, Oregon, United States. Among other things, Umatilla has restaurants, cafés, supermarkets, museums, schools, banks and pharmacies. More information at
www.umatilla-city.org.