Harmony is located at the intersection of County Highways D and DD[5] at an elevation of 699 feet (213 m).[1] It is connected by road to Peshtigo to the southeast and Marinette to the east (via Highway 64).[5] The intersection of County Highway D and Highway 64 approximately 1.6 miles (2.6 km) west-northwest of Harmony was formerly known as Gould's Corners[6][7] after a farm located there owned by Addison Norris Gould (1850–1925).
A post office was established in Harmony in 1885 and James H. Potter (1827–1905) was appointed postmaster.[8][9] A cheese factory formerly operated in Harmony.[10]
^Standard Atlas of Marinette County Wisconsin Including a Plat Book of the Villages, Cities and Townships of the County. Chicago: Geo. A. Ogle & Co. 1912. p. 68.