- Fargo-Cass County, North Dakota is centrally located to east-west and north-south markets.Our interstate system provides excellent connections to the northernmost tier of the nation and from Winnipeg to Kansas City with direct links to major east-west connections such as I-70, I-80, and I-90. Fargo is located in the heart of the Red River Valley in Cass County on the eastern border of North ...www.fedc.com