Washington Township encompasses 27.5 square miles, including the entire corporate limits of the City of Dublin. We serve more ... than 48,000 residents and a daytime population of 70,000 by providing emergency medical, fire prevention, and suppression services as well as community education programs. We are the only township in Ohio to serve portions of three counties – Delaware by providing Franklin and Union. We are among the 20 largest townships in Ohio by population. read more