Eureka URL: https://knowledge.ivjn.us/en/places/mt-eureka/at/4.html Eureka is a town in Lincoln County, Montana, United States. **Eureka** is a town in [Lincoln County](https://knowledge.ivjn.us/en/places/mt-lincoln-county.html), [Montana](https://knowledge.ivjn.us/en/places/montana.html), United States. Updated: 2026-11-01 Relations: - Located in: Lincoln County https://knowledge.ivjn.us/en/places/mt-lincoln-county.html Sources: - GeoNames US dataset (US.txt / admin2Codes.txt) https://download.geonames.org/export/dump/US.zip