
Hilliar township
- County:
- Knox County
- County Seat:
- No
- Area (mi²):
- 25.972
- State:
- Ohio
Hilliar township is located in Knox County, Ohio. Hilliar township has a 2025 population of 3,850. Hilliar township is currently growing at a rate of 0.5% annually and its population has increased by 1.69% since the most recent census, which recorded a population of 3,786 in 2020.
The average household income in Hilliar township is $98,470 with a poverty rate of 4.51%. The median age in Hilliar township is 41.4 years: 39.2 years for males, and 43.7 years for females.