Stores in Humboldt, South Dakota The most complete information about stores in Humboldt, South Dakota: Addresses, phone numbers, reviews and other information. All stores Convenience Hardware Popular stores in Humboldt Triple J Lumber Co Hardware 910 2nd Avenue, Humboldt, SD 57035 Get Directions Contacts Write a review Clark Gas Convenience 201 North Stofferahn Drive, Humboldt, SD 57035 Get Directions Contacts Write a review 38 Special Convenience Convenience 201 N Stofferan Dr, Humboldt, SD 57035 Get Directions Contacts Write a review ✗ Facebook Google Plus Twitter