
Clay township
- County:
- Highland County
- County Seat:
- No
- Area (mi²):
- 28.104
- State:
- Ohio
Clay township is located in Highland County, Ohio. Clay township has a 2025 population of 1,536. Clay township is currently growing at a rate of 0.33% annually and its population has increased by 0.85% since the most recent census, which recorded a population of 1,523 in 2020.
The average household income in Clay township is $81,007 with a poverty rate of 10.72%. The median age in Clay township is 38.4 years: 36.1 years for males, and 43.8 years for females.