The area south of Zumbro Falls to the Wabasha–Olmsted County line along U.S. 63 was named South Troy. The name of Troy was changed to Zumbro Falls after 1860 because there was already a community named Troy in southeast Minnesota at Winona County.
The area south of Zumbro Falls and extending up to the Wabasha–Olmsted County line along U.S. 63 was named South Troy. The name Troy was changed to Zumbro Falls after 1860 because there was already a community with that name in southeast Minnesota at Winona County.