Miami County is a county located in the U.S. state of Indiana. As of 2020, the population was 35,962. The county seat is the City of Peru. Miami County is part of the Kokomo-Peru CSA.

Peru is a city in, and the county seat of, Miami County, Indiana, United States. It is 73 miles (117 km) north of Indianapolis. The population was 11,073 at the 2020 census, making it the most populous community in Miami County. Peru is located along the Wabash River and is part of the Kokomo-Peru Combined Statistical Area.