Gresham is located in Multnomah County. About 114,247 people live here (as of 2020). Between 2010 and 2020, the population grew from 105,594 to 114,247. The region is at 92 meters above sea level. The area covers about 60.9 square kilometers. The region is divided into 1 Municipalities and 14 Subregions. The region was founded in 1905. The postal codes are 97030–97233. The dialing code is 503. The name originates from Walter Quintin Gresham (US Secretary of State) Gresham is city in Multnomah County, Oregon, United States of America. More information at
www.greshamoregon.gov.