what county is montpelier ohio
Sponsored Topics. Montpelier is a village in Williams County, Ohio, United States. The population was 4,320 at the 2000 census. Montpelier is located at 41Â°34â²59â³N 84Â°36â²15â³W / 41.58306Â°N 84.60417Â°W / 41.58306; -84.60417 (41.582981, -84.604204).