Moorhead, MN 56560Phone: (218) 299-5002Fax: (218) 299-5195www.co.clay.mn.usOn the central western border of MN; established as Breckenridge County Mar 9, 1862; name changed later in 1862. Name Origin: For Henry Clay (1777-1852), U.S. senator from KY, known as the "Great ...