Belden, is an unincorporated community in Lee County, Mississippi, United States. Most of the community is located within the city of Tupelo. History In the early 1900s, the settlement was a stop on the St. Louis–San Francisco Railway. About that time, Belden had a post office, a school, two churches, several stores, and a population of about 350. References Geography of Lee County, Mississippi Unincorporated communities in Mississippi