Oliver township
- County:
- Adams County
- County Seat:
- No
- Area (mi²):
- 28.965
- State:
- Ohio
Oliver township is located in Adams County, Ohio. Oliver township has a 2026 population of 1,342. Oliver township is currently growing at a rate of 0.3% annually but its population has decreased by -0.15% since the most recent census, which recorded a population of 1,344 in 2020.
The median age in Oliver township is 29.9 years: 30.6 years for males, and 26.7 years for females. For every 100 females there are 86.1 males.