
Black Creek township
- County:
- Mercer County
- County Seat:
- No
- Area (mi²):
- 35.78
- State:
- Ohio
Black Creek township is located in Mercer County, Ohio. Black Creek township has a 2025 population of 628. Black Creek township is currently declining at a rate of 0% annually and its population has increased by 0.8% since the most recent census, which recorded a population of 623 in 2020.
The average household income in Black Creek township is $147,748 with a poverty rate of 6.45%. The median age in Black Creek township is 32.4 years: 28.9 years for males, and 32.8 years for females.