Furnace is a community located in Scioto County, in the state of Ohio (OH), United States. Nestled in the East North Central division of the Midwest region, it covers an area of 2.4 square miles (6.0 km²) and sits at an elevation of 580 ft. With a population of approximately 1,537 residents, Furnace offers a peaceful, rural atmosphere.
The town's population is composed of about 56.34% males and 43.66% females, and it has a population density of 645.80 people per square mile (249.34/km²). Furnace lies at a latitude of 38.62 and a longitude of -82.85, operating in the UTC-5.
Locals reflect a blend of American ancestry, with roots primarily in United States (17%), followed by English (6.2%), German (15.1%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code 45629.