Sabin is a city in Clay County, Minnesota, United States approximately 14 miles southeast of Moorhead, Minnesota. The population was 619 at …Sabin is a city in Clay County, Minnesota, United States approximately 14 miles southeast of Moorhead, Minnesota. The population was 619 at the 2020 census. The city was named for Dwight M. Sabin, a United States Senator from Minnesota. A post office in Sabin has been in operation since 1881. Every year the city holds a series of events called "Sabin Harvest Days" with events for both kids and adults.