
Johnson township
- County:
- Champaign County
- County Seat:
- No
- Area (mi²):
- 30.088
- State:
- Ohio
Johnson township is located in Champaign County, Ohio. Johnson township has a 2025 population of 3,144. Johnson township is currently growing at a rate of 0.26% annually and its population has increased by 0.7% since the most recent census, which recorded a population of 3,122 in 2020.
The average household income in Johnson township is $76,114 with a poverty rate of 6.84%. The median age in Johnson township is 37.3 years: 38.9 years for males, and 35 years for females.