There are 94 real estate agents found in Mercer, WI. View our Mercer real estate area information to learn about the weather, local school districts, demographic data, and general information about Mercer, WI. Get in touch with a Mercer real estate agent who can help you find the home of your dreams in Mercer. Use our mortgage calculator to see how much it would be to finance a home in Mercer. Not ready to buy yet? Find and compare apartments for rent in Mercer.