Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Lake Township is one of the seventeen townships of Logan County, Ohio, United States. The 2000 census found 12,492 people in the township, making it the largest in population in Logan County. Most of the city of Bellefontaine, the county seat of Logan County, is located in Lake Township, occupying all but the northern, southeastern, and southwestern parts of the township. Statewide, other Lake Townships are located in Ashland, Stark, and Wood Counties. Lake Township was formed in 1811 from Zane Township.