Eureka, Montana

Eureka is located in Lincoln County. About 1,380 people live here (as of 2020). Between 2010 and 2020, the population grew from 1,037 to 1,380. The region is at 787 meters above sea level. The area covers about 2.7 square kilometers. There are about 72 streets in Eureka. The ZIP codes are 59917. The dialing code is 406. Eureka is town in Lincoln County, Montana, United States. Among other things, Eureka has cafés and schools. More information at www.eureka-mt.gov.