The Miami County Economic Development Authority welcomes you to Miami County, North Central Indiana's optimal location for new and existing business. Some advantages to Miami County include a diverse economic base, low cost of living, quality of life, and location in the heart of the mid-west. US Highway 31and US Highway 24 cross in the center of Miami County providing boundless opportunity for existing and prospective businesses. Join us in exploring the Miami County advantage through the pages on this site. Enjoy your review of our great community and please feel free to contact us at any time.