Middlefield Township, Buchanan County, Iowa
# Middlefield Township, Buchanan County, Iowa

Middlefield Township is one of sixteen townships in Buchanan County, Iowa, United States. As of the 2000 census, its population was 304. Middlefield Township was established in 1858.

## Geography

Middlefield Township covers an area of 34.97 square miles (90.6 $km^2)$ and contains no incorporated settlements.

