Brimfield Township is located in Peoria County, Illinois, United States.

As of the 2010 census, its population was 1,235 and it contained 503 housing units.

[2] The village of Brimfield is located in Brimfield Township.

According to the 2010 census, the township has a total area of 36.49 square miles (94.5 km2), all land.

This Peoria County, Illinois location article is a stub.