There are 7 real estate agents found in Humboldt, SD. View our Humboldt real estate area information to learn about the weather, local school districts, demographic data, and general information about Humboldt, SD. Get in touch with a Humboldt real estate agent who can help you find the home of your dreams in Humboldt. Use our mortgage calculator to see how much it would be to finance a home in Humboldt. Not ready to buy yet? Find and compare apartments for rent in Humboldt.