Putnam County is located in the state of Ohio. With an area of 484 square miles, Putnam County is one of the larger counties in the state, while in terms of population it is near the bottom with 3,472 residents. Putnam County's population density of rural makes it one of the most thickly populated areas in the state. The county's largest city is Ottawa, with a population of 11,209.

Putnam County is one of the more affluent regions in the state. The median income for Putnam County residents is $46,362, putting the area in in the top fifth of all counties in Ohio. Reflecting this, the average house value in Putnam County is $91,718, on par with the state average of $104,443.    Continued below...