Brimfield is a census-designated place (CDP) in Portage County, Ohio, United States.

It is located in the central part of Brimfield Township (of which it is a part), a rural area between the Ohio cities of Akron and Kent with light industry, strip-malls, subdivisions, and farms.

[4] The present name is for Brimfield, Massachusetts, the hometown of John Wyles Jr., one of the early land owners.

[5] A post office called Brimfield was established in 1834, and remained in operation until 1907.

14.0% of all households were made up of individuals, and 4.9% had someone living alone who was 65 years of age or older.