Chatfield is a city in Fillmore and Olmsted counties in the U.S. state of Minnesota. The city's area is split almost equally between the two counties. Chatfield is known as "The Gateway to Bluff Country" and "The Chosen Valley". According to the United States Census Bureau, the city has a total area of 2.0 square miles (5.2 square kilometer), all of it land. It is also the home of the only stop light in Fillmore County, at the intersection of 3rd Street (Fillmore County Road 2) and Main Street.