Farwell is a city in Pope County, Minnesota, United States. The population was 56 at the 2020 census. Farwell was platted in 1887. A post offic…Farwell is a city in Pope County, Minnesota, United States. The population was 56 at the 2020 census. Farwell was platted in 1887. A post office was established at Farwell in 1887, and remained in operation until 1998. Since 1998 the City has had a community post office arrangement with the United States Post Office wherein the City pays the wages of the Post Mistress but she is an employee of the USPS.