
Montpelier
- County:
- Williams County
- County Seat:
- No
- Area (mi²):
- 2.874
- State:
- Ohio
Montpelier is a village located in Williams County, Ohio. Montpelier has a 2025 population of 3,852. Montpelier is currently declining at a rate of -0.44% annually and its population has decreased by -2.13% since the most recent census, which recorded a population of 3,936 in 2020.
The average household income in Montpelier is $63,104 with a poverty rate of 15.54%. The median age in Montpelier is 38.4 years: 38.4 years for males, and 38 years for females.