The term round barn refers to barns that are polygonal (many-sided) as well as circular in design.Polygonal barns can have 6,8,9,10,12,14, or 16 sides
The first recorded round barn in the United States belonged to George Washington, our first president.
The round barn era in the United States spanned the years from 1850-1936.
The height of round barn construction was from 1880 to 1920.
Round barns can be found in 29 of the 87 counties in Minnesota.
Two Minnesota counties have four barns within their borders. They are Carver and Fillmore.
The northern-most round barn in Minnesota is near Trail in Polk County.
There are two barns that lie within the borders of a city. These are in Sartell (Stearns) and Andover (Anoka).
The technical term for round barns is nonorthagonal, meaning that they contain no right angles.
Round barn kits could be ordered from companies like Sears and Roebuck. Often, crews of builders who specialized in round barn construction traveled throughout various states building barns.