
Miller City
- County:
- Putnam County
- County Seat:
- No
- Area (mi²):
- 0.396
- State:
- Ohio
Miller City is a village located in Putnam County, Ohio. Miller City has a 2025 population of 126. Miller City is currently declining at a rate of -0.79% annually and its population has decreased by -5.26% since the most recent census, which recorded a population of 133 in 2020.
The average household income in Miller City is $70,926 with a poverty rate of 2.13%. The median age in Miller City is 37.3 years: 34.8 years for males, and 44 years for females.