Brookfield Township is one of the twenty-four townships of Trumbull County, Ohio, United States. The 2000 census found 10,020 people in the township, 9,921 of whom lived in the unincorporated portions of the township
Brookfield Township includes Masury, Brookfield Center, Valley View, Brookfield Estates, Stevenson Heights, West Hill, SE Masury, and Outlying Areas.
