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 2026 population of 131. Miller City is currently declining at a rate of 0% annually and its population has decreased by -1.5% since the most recent census, which recorded a population of 133 in 2020.
The median household income in Miller City is $84,375 with a poverty rate of 1.61%. The median age in Miller City is 34 years: 29.8 years for males, and 38 years for females. For every 100 females there are 86.0 males.