Eaton Rapids is a city in Eaton County in the U.S. state of Michigan. Eaton Rapids offers high quality living with unique entertainment and recreation opportunities. Within a 45-minute radius, you can find abundant shopping, fine dining, vibrant nightlife, theater and cultural activities, as well as collegiate, minor-league and Michigan International Speedway sporting events. Eaton Rapids is ideally located in mid-Michigan offering small town charm with big city benefits.