Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Brown Township is one of the seventeen townships of Franklin County, Ohio, United States. The 2000 census found 2,031 people in the township. A small part of the city of Hilliard is located in northeastern Brown Township, and part of the census-designated place of Lake Darby lies in the township''s southwest. It is one of eight Brown Townships statewide. The township was organized in 1830.