
Coldwater
- County:
- Mercer County
- County Seat:
- No
- Area (mi²):
- 1.939
- State:
- Ohio
Coldwater is a village located in Mercer County, Ohio. Coldwater has a 2025 population of 4,673. Coldwater is currently declining at a rate of -0.4% annually and its population has decreased by -2.03% since the most recent census, which recorded a population of 4,770 in 2020.
The average household income in Coldwater is $88,434 with a poverty rate of 2.14%. The median age in Coldwater is 32.1 years: 32.5 years for males, and 31.6 years for females.