Dows Street Historic District – ArtisticAbode, CC BY-SA 3.0 – Wikimedia Commons Ely is located in Linn County. About 2,328 people live here (as of 2020). Between 2010 and 2020, the population grew from 1,776 to 2,328. The region is at 225 meters above sea level. The area covers about 3.7 square kilometers. There are about 113 streets in Ely. The region was founded in 1872. The postal codes are 52227. The dialing code is 319. Ely is city in Linn County, Iowa, United States. Among other things, Ely has restaurants and hairdressers. More information at www.elyiowa.com.