
Lanier township
- County:
- Preble County
- County Seat:
- No
- Area (mi²):
- 36.356
- State:
- Ohio
Lanier township is located in Preble County, Ohio. Lanier township has a 2025 population of 3,674. Lanier township is currently declining at a rate of -0.08% annually and its population has decreased by -1.4% since the most recent census, which recorded a population of 3,726 in 2020.
The average household income in Lanier township is $90,584 with a poverty rate of 8.18%. The median age in Lanier township is 46.9 years: 47.7 years for males, and 42.3 years for females.