
Olivia township
- County:
- McHenry County
- County Seat:
- No
- Area (mi²):
- 35.9
- State:
- North Dakota
Olivia township is located in McHenry County, North Dakota. Olivia township has a 2025 population of 31. Olivia township is currently declining at a rate of -3.13% annually and its population has decreased by -11.43% since the most recent census, which recorded a population of 35 in 2020.
The average household income in Olivia township is -$1000.00 Mn with a poverty rate of 0%. The median age in Olivia township is 14.8 years: 0 years for males, and 0 years for females.