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 2026 population of 1,527. Clay township is currently growing at a rate of 0.33% annually and its population has increased by 0.26% since the most recent census, which recorded a population of 1,523 in 2020.
The median household income in Clay township is $71,310 with a poverty rate of 11.7%. The median age in Clay township is 41.9 years: 36 years for males, and 45.2 years for females. For every 100 females there are 95.4 males.